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Start-Service

Changes can be made to and configuration files to configure the service after installation. Most changes (like JVM settings) will require a restart of the service in order to take effect.

Upgrade using the graphical user interface (GUI)edit

The package supports upgrading an installed version of Elasticsearch to a newer version. The upgrade process through the GUI handles upgrading all installed plugins as well as retaining both your data and configuration.

Downloading and double-clicking on a newer version of the package will launch the GUI wizard. The first step will list the read-only properties from the previous installation:

msi installer upgrade notice

The next step allows certain configuration options to be changed:

msi installer upgrade configuration

Finally, the plugins step allows currently installed plugins to be upgraded or removed, and for plugins not currently installed, to be downloaded and installed:

msi installer upgrade plugins

Upgrade using the command lineedit

The can also upgrade Elasticsearch using the command line.

A command line upgrade requires passing the same command line properties as used at first install time; the Windows Installer does not remember these properties.

For example, if you originally installed with the command line options and , then you must pass these same values when performing an upgrade from the command line.

The exception to this is the parameter (if originally specified), which must be a different directory to the current installation. If setting , the final directory in the path must be the version of Elasticsearch e.g.

The simplest upgrade, assuming Elasticsearch was installed using all defaults, is achieved by first navigating to the download directory, then running:

start /wait msiexec.exe /i elasticsearch-7.15.2.msi /qn

Similar to the install process, a path to a log file for the upgrade process can be passed using the command line argument

start /wait msiexec.exe /i elasticsearch-7.15.2.msi /qn /l upgrade.log

Uninstall using Add/Remove Programsedit

The package handles uninstallation of all directories and files added as part of installation.

Uninstallation will remove all contents created as part of installation, except for data, config or logs directories. It is recommended that you make a copy of your data directory before upgrading or consider using the snapshot API.

MSI installer packages do not provide a GUI for uninstallation. An installed program can be uninstalled by pressing the Windows key and typing to open the system settings.

Once opened, find the Elasticsearch installation within the list of installed applications, click and choose :

msi installer uninstall

This will launch the uninstallation process.

Uninstall using the command lineedit

Uninstallation can also be performed from the command line by navigating to the directory containing the package and running:

start /wait msiexec.exe /x elasticsearch-7.15.2.msi /qn

Similar to the install process, a path to a log file for the uninstallation process can be passed using the command line argument

start /wait msiexec.exe /x elasticsearch-7.15.2.msi /qn /l uninstall.log

You now have a test Elasticsearch environment set up. Before you start serious development or go into production with Elasticsearch, you must do some additional setup:

Источник: https://www.elastic.co/guide/en/elasticsearch/reference/current/windows.html

Ready let’s get started.

Video Tutorial

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If you don’t want to watch the video tutorial, then you can continue reading the text version below:

Why is Google Analytics Important for Bloggers?

Once you start a blog, your #1 goal is to get more traffic and subscribers. Google Analytics help you make data-driven decisions by showing you the stats that matter. You can see:

Who visits your website?

This part of analytics answers what is the geographical location of your audience, which browser did the user use to visit your site and other important information such as screen resolution, JavaScript support, Flash support, language and more.

This data is extremely useful, and it can help in numerous ways. When getting a custom design, you can use the user data to make sure that your site will be compatible with your audience.

If most of your users don’t have Flash support, then you should avoid adding the flash element in your site. If most of your users are on 1280 screen resolutions, then make sure that your design is compatible with that resolution or smaller.

What do people do when they are on your website?

You can track where the users are going on your website, how long do they stay on your website, and what is the bounce rate (the percent of users exit your site on the first visit).

By using this information, you can decrease the bounce rate and increase your pageviews.

You can also find your most popular articles, articles that are not doing so well, and what kind of content your users are looking for.

When do people visit your website?

By looking at the hottest hours in the day for your site, you can pick the time when you publish your post. If that time zone is not compatible with yours, then you can schedule your post to meet that hour.

How do people find your website?

This section of the analytics shows you where did the users come from (for example: Search Engines, Direct Links, Referral links from another site).

It also shows you what percentage of your visitors came from each of these sources. Google analytics gives you the breakdown of each of these categories. If it is the search engine category, then it shows you which search engine got you the most traffic, Google, Yahoo, Bing etc.

The breakdown of referral sources shows you which sites you need to work with the most. If your top referral source is Facebook, then you need to have exclusive Facebook content to make your Facebook audience feel special.

If your top referral source is an external website, then you might want to consider having a partnership with that website (guest post exchange or something else).

How do people interact with your content?

Google analytics shows how your users interact with your site’s content. It shows you what percent of the user clicked on which link on your site and much more.

You can run A/B split tests by creating content experiments in Google Analytics to understand what works best to meet your goals.

By seeing the user interactivity, you can work your content around your users. By seeing the answers to the questions above, you can focus on the strategies that work for your site and avoid strategies that don’t work.

Simply put, eliminate the guesswork and focus on stats that matter, so you can make data driven-decisions.

How to Signup with Google Analytics

Google Analytics is available for free and all you need is a Google or Gmail account to sign up. The sign up process is quite simple, follow the step by step instructions below to create your Google Analytics account.

Step 1: First you need to visit Google Analytics sign up.

You will be asked to login with your Google account. If you already have a Google or Gmail account, then you can use that to sign-in. Otherwise, you can go ahead and create a Google account for yourself.

Sign in with your Google account

Step 2: Once you sign-in with your Gmail account, you will be prompted to a screen like the one below. This is where you will signup for Google analytics with your Gmail account.

Sign up for Google Analytics

After that, you will be asked to provide an account name. This name will be used internally so you can use anything like your business name.

Enter account name

Step 3: On the next screen, you will be given choice to choose between a web, apps, or apps and web. Make sure you select ‘Web’.

Select web

After that, you need to enter website name, website’s URL, country, and time zone.

Provide website details

Once you have entered this information, click on the Next button. You will be presented with Google Analytics terms and service which you must agree to, so click on ‘I Agree’ button.

Step 4: Now you will be presented with your Google Analytics tracking code. You can copy this tracking code because you will need to enter it in your WordPress site depending on the method you use below.

You cann also simply leave this browser tab open and switch back to copy the code when needed.

Google Analytics tracking code

We suggest leaving the analytics browser tab open as you may need to revisit it, once you have installed the code on your WordPress site.

Now that you have setup a Google Analytics account, let’s take a look at how to install Google Analytics in WordPress.

How to Install Google Analytics in WordPress

There are a few different ways to setup Google Analytics in WordPress. We will show you three methods where the first option is the easiest and the last being the hardest.

You can choose the one that best suits your needs.

Note: You need to use only one of these methods on your website to avoid double tracking of page views in your Google Analytics account.

Method 1. Google Analytics for WordPress by MonsterInsights

MonsterInsights is the most popular Google Analytics plugin for WordPress. Over 3 million websites use it including the likes of Bloomberg, PlayStation, Zillow, WPBeginner, and more.

It is the easiest and by far the best way to add Google Analytics to WordPress (for all users beginners and experts alike).

MonsterInsights is available as both, a paid premium plugin, and a free version. In this tutorial, we will be using the MonsterInsights free version.

You can use the MonsterInsights Pro version if you want more advanced features like E-commerce tracking, Ads tracking, Author tracking, etc. The process of setting them up is the same.

Let’s get started.

The first thing you need to do is install and activate the MonsterInsights plugin. For more details, see our step by step guide on how to install a WordPress plugin.

Upon activation, the plugin will add a new menu item labeled ‘Insights’ to your WordPress admin menu. Clicking on it will bring the MonsterInsights setup wizard.

MonsterInsights setup wizard

First, you will be asked to choose a category for your website (a business website, blog, or online store). Select one and then click on ‘Save and Continue’ button.

Next, you need to click on the ‘Connect MonsterInsights’ button.

Connect MonsterInsights

This will bring up a popup that will take you Google accounts where you will be asked to sign in or select a Google account if you are already signed in.

Sign in or select a Google account to continue

Next, you will be asked to allow MonsterInsights to access your Google Analytics account.

Allow MonsterInsights to access your Google Analytics account

Click on the ‘Allow’ button to continue.

The final step is to select the profile you want to track. You need to select your website here and then click on the ‘Complete Connection’ button to continue.

Select your website profile to compete setup

MonsterInsights will now install Google Analytics on your website. After that, you will be asked to select the recommended settings for your website.

Recommended settings for Google Analytics

The default settings would work for most websites. If you use an affiliate link plugin, then you need to add the path you use to cloak affiliate links. This will allow you to track your affiliate links in Google Analytics.

Click on the Save and Continue button to save your settings.

Next, MonsterInsights will show you paid add-ons that you can access if you upgrade to PRO. You can simply click on the ‘Save and Continue’ button to skip this step.

Upgrade to pro

After that, you will be asked to install WPForms plugin, which is the best WordPress contact form plugin. You can install it or simply click on ‘Skip this Step’

Recommended plugin

That’s all you have successfully installed and setup Google Analytics on your WordPress site. Remember, it will take Google Analytics sometime before showing your stats.

Google Analytics successfully installed using MonsterInsights

The best part about MonsterInsights is that you can view your Google Analytics reports inside your WordPress dashboard. Simply visit Insights » Reports page to check out a quick overview of your analytics data.

Your Google Analytics reports in WordPress dashboard

It also comes with a Popular Posts addon that allows you to show your top performing content to boost your traffic & pageviews.

MonsterInsights Popular Post Templates

You can use it to automatically add inline popular posts links to boost engagement:

MonsterInsights Inline Popular Posts

Of if you’re using an online store, then it can also automatically add your top performing products at the end of each blog post to boost sales:

Popular products after content

Note: MonsterInsights was formerly known as Google Analytics for WordPress by Yoast. WPBeginner’s founder, Syed Balkhi, acquired the plugin in 2016 and rebranded it to MonsterInsights. Now it is part of our family of premium WordPress plugins.

This method is not as good as MonsterInsights because you will not be able to do advanced tracking configuration, and you will not be able to view Google Analytics data in your WordPress dashboard.

First, you will need to copy your Google Analytics tracking code that you copied earlier in Step 4 when signing up for Google Analytics account.

Google Analytics tracking code

Next, you need to install and activate the Insert Headers and Footers plugin. For more details, see our step by step guide on how to install a WordPress plugin.

Upon activation, you need to visit Settings » Insert Headers and Footers page. Here you need to paste the Google Analytics tracking code that you copied earlier into the ‘Scripts in headers’ section.

Adding Google Analytics tracking code using Insert Headers and Footers plugin

Don’t forget to click on the save changes button to store your settings.

That’s all, you have successfully installed Google Analytics on your site.

3. Install Google Analytics in WordPress Theme

This method is for advanced users who are familiar with the code. It is somewhat unreliable because your code will disappear if you switch or update the theme. We almost never recommend using this method.

If this is your first time adding code to your WordPress files, then you should check out our guide on how to copy paste code snippets in WordPress.

First, you will need to copy your Google Analytics tracking code that you copied earlier in Step 4 when signing up for Google Analytics account.

Google Analytics tracking code

Now there are two common ways to add this code in your WordPress theme files. You can choose either one of them (not both).

1. Add code in header.php file

Simply edit the header.php file in your WordPress theme and paste the Google Analytics tracking that code you copied earlier right after the tag.

Don’t forget to save your changes and upload the file back to your server.

Add via Functions File

You can also add Google Analytics tracking code to WordPress functions file. It will then automatically add the tracking code to every page on your WordPress site.

You will need to add this code to your theme’s functions.php file.

<?php add_action('wp_head', 'wpb_add_googleanalytics'); function wpb_add_googleanalytics() { ?> // Paste your Google Analytics tracking code from Step 4 here <?php } ?>

Viewing Reports on Google Analytics Website

Google Analytics is capable of showing you a treasure of data collected from your stats. You can view this data by visiting your Google Analytics dashboard.

Google Analytics reporting

You will see the built-in Google Analytics reports in the left column. Each section is divided into different tabs and clicking on a tab will expand it to show more options.

  • Real-time This report will show you a real time view of your traffic.
  • Audience tab will show reports to help you understand your users.
  • Acquisition reports explore where your users came from.
  • Behavior reports summarize what your users do after they arrive on your site.
  • Conversion reports show how well you’re doing against your goals.

Making the Most out of Google Analytics

Google Analytics is an incredibly powerful tool with tons of awesome features. Some of them are quite obvious and easy to use, others require some additional setup.

Here are some of the resources that will help you make the most out of Google Analytics reports.

Google Analytics works best with Google Search Console (formerly Google Webmaster Tools). It allows you to see how your website is doing in search results. See our complete Google Search Console guide to learn how to use it to grow your website.

If you want to improve your website SEO rankings and get more traffic, then we recommend using AIOSEO plugin for WordPress which is an all in one SEO toolkit.

We hope this article helped you learn how to install Google Analytics in WordPress. You may also want to see our ultimate guide to increasing your blog traffic and our comparison of the best email marketing services.

If you liked this article, then please subscribe to our YouTube Channel for WordPress video tutorials. You can also find us on Twitter and Facebook.

Источник: https://www.wpbeginner.com/beginners-guide/how-to-install-google-analytics-in-wordpress/

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Introduction

Cisco DNA Center is a powerful network controller and management dashboard that lets you take charge of your network, optimize your Cisco investment, and lower your IT spending. Cisco DNA Center provides a single dashboard for every fundamental management task to simplify running your network. With this platform, IT can respond to changes and challenges faster and more intelligently.

●     Design: Design your network using intuitive workflows, starting with locations where your network devices will be deployed. Users of Cisco Prime® Infrastructure and the Cisco® Application Policy Infrastructure Controller Enterprise Module (APIC-EM) can simply import existing network designs and device images into Cisco DNA Center.

●     Policy: Define user and device profiles that facilitate highly secure access and network segmentation based on business needs. Application policies allow your business-critical applications to provide a consistent level of performance regardless of network congestion.

●     Provision: Use policy-based automation to deliver services to the network based on business priority and to simplify device deployment. Zero-touch device provisioning and software image management features reduce device installation or upgrade time from hours to minutes and bring new remote offices online with plug-and-play ease from an off-the-shelf Cisco® device. Additionally, the Cisco Secure Network Analytics (formerly Stealthwatch®) service provisions network elements to send NetFlow and Encrypted Traffic Analytics (ETA) to the analytics service.

●     Assurance: Cisco DNA Assurance enables every point on the network to become a sensor, sending continuous streaming telemetry on application performance and user connectivity in real time. This, coupled with automatic path-trace visibility and guided remediation, means network issues are resolved in minutes — before they become problems. Automated NetFlow switch configuration for Cisco Secure Network Analytics provides detection and mitigation of threats, even when they are hidden in encrypted traffic.

●     Platform: An open and extensible platform allows third-party applications and processes to exchange data and intelligence with Cisco DNA Center. This improves IT operations by automating workflow processes based on network intelligence coming from Cisco DNA Center.

Cisco DNA Center

Figure 1.               

Cisco DNA Center

Cisco DNA Center is at the heart of the Cisco Digital Network Architecture, or Cisco DNA (https://www.cisco.com/go/dna), and is the only centralized intent-based network management system to bring all this functionality into an integrated controller and present it through a single pane of glass.

How Cisco DNA Center works

Figure 2.               

How Cisco DNA Center works

Licensing

Cisco DNA Center is a software solution that resides on the Cisco DNA Center appliance. The solution receives data in the form of streaming telemetry from every device (switch, router, access point, and wireless access controller) on the network. This data provides Cisco DNA Center with the real-time information it needs for the many functions it performs. For a device to be authorized to send data to Cisco DNA Center, that device must be included in your company’s Cisco DNA software license subscription. Cisco encourages customers to purchase complete Cisco DNA Center functionality through a Cisco DNA Advantage license subscription. Limited Cisco DNA Center functionality is also available through a Cisco DNA Essentials license subscription. Wireless, switching, and SD-WAN and routing subscriptions are available for 3- and 5-year terms; wireless and switching are also available in a 7-year term. All Cisco DNA software license subscription options include embedded Cisco SWSS (software support and downloads).

The links below open matrices detailing the main features included in each respective suite.

Switching feature matrix

Wireless feature matrix

SD-WAN and routing matrix

In addition to the Cisco DNA licenses, the Cisco DNA Expansion Pack is a flexible way to purchase Cisco ISE, Cisco DNA Spaces, Secure Network Analytics (Stealthwatch), ThousandEyes and other licenses, appliances, and services in one convenient bundle. Enhance your Cisco networking solutions such as SD-Access, Zero Trust solutions, Encrypted Traffic Analytics (ETA), location analytics, and assurance. You can add the pack to your Cisco DNA software licenses and choose the license count that fits your needs.

Introduction to Smart Licensing

Cisco Smart Licensing is a flexible licensing model that provides you with an easier, faster, and more consistent way to purchase and manage software across the Cisco portfolio and across your organization. And it’s secure – you control what users can access. With Smart Licensing you get:

●     Easy activation: Smart Licensing establishes a pool of software licenses that can be used across the entire organization—no more Product Activation Keys (PAKs).

●     Unified management: My Cisco Entitlements (MCE) provides a complete view into all of your Cisco products and services in an easy-to-use portal, so you always know what you have and what you are using.

●     License flexibility: Your software is not node-locked to your hardware, so you can easily use and transfer licenses as needed.

To use Smart Licensing, you must first set up a Smart Account on Cisco Software Central (software.cisco.com).

For a more detailed overview of Cisco Licensing, go to cisco.com/go/licensingguide.

New features

Cisco DNA Center’s latest release, 2.2.3.0, helps customers with innovations in 3D wireless heat maps and the ability to troubleshoot Cisco Webex® performance issues from the Cisco DNA Center console and conduct deep packet and comprehensive path trace analysis. Large enterprises will benefit from the increases in scale, capacity, and redundancy. Customers will enjoy the new Policy Analytics dashboard to view and track policies more easily and the improved and more comprehensive trust score to make security policy decisions with more confidence. Key deliverables of Cisco DNA Center 2.2.3.0 are:

Wireless 3D Analyzer

Wireless coverage issues can be challenging to identify and locate. Currently available 2D wireless heat maps do not give a true representation of Wi-Fi signal propagation through actual building materials and architectural designs. The new Wireless 3D Analyzer provides granular analysis of millions of spatial RF data points and the ability to visualize wireless coverage. Network operators can identify the areas most impacted by RF strengths, simulate different RF environments, and conduct spatial planning and prediction of the interior environment. After loading basic architectural structural information, network operators can enter a virtual office space and move an access point or create an imaginary wall and see the resulting impact on Wi-Fi signal propagation. The Wireless 3D Analyzer helps network operators maximize WLAN performance and identify trouble spots and WLAN design issues faster.

Webex integration with Cisco DNA Center

The unprecedented shift to remote work has made Cisco Webex a critical productivity enabler for businesses. Troubleshooting Webex performance issues has become a top priority for IT. Currently, network operators must switch between the Webex and Cisco DNA Center user interfaces to resolve issues. The Webex integration provides visibility into the performance of the Webex application by integrating the quality metrics into the Cisco DNA Center Client 360 feature. The integration enables consolidation of quality metrics for audio and video and for sharing components with NetFlow to provide administrators with a single pane of glass for troubleshooting WebEx performance. Network operators can quickly identify and resolve issues in Cisco DNA Center without having to switch between multiple interfaces.

Wireless network service analytics

For a mobile device or any other end device to connect to the internet, it must connect to three service servers for authentication of devices, getting an IP address, and finding the IP address of the targeted website. If any of the three servers has an issue, users will have limited internet availability. Previously, network operators would have to check each service for problem resolution. In Cisco DNA Center 2.2.3, network operators can view Authentication, Authorization, and Accounting (AAA) and Dynamic Host Configuration Protocol (DHCP) services for wireless devices across Cisco and all third-party servers in a global comprehensive view. The release also integrates Cisco AAA servers’ (Identity Services Engine, or ISE) AI-based root cause analysis. These new features provide a snapshot of the overall health of these critical services all in one place, highlighting the worst-performing service server, site-level impact, and scope of end user impact. This helps network operators reduce overall issue ticket resolution time and eventually leads to lower ticket volume.

True Trace

With the growing complexity of today’s networks, conducting a root cause analysis of network issues requires the ability to perform thorough analyses. Network operators today struggle with a lack of path trace on live traffic, which leaves them with an incomplete picture. This can also make it difficult for them to do a deeper analysis when troubleshooting. In Cisco DNA Center 2.2.3, network operators can capture live traffic on devices for path analysis. Cisco DNA Center’s True Trace extends the current path trace capability and provides Key Performance Indicators (KPIs) for each hop, granular reasons for path degradation, and downloadable packet capture files. These deep insights enable faster troubleshooting in enterprise deployments and lead to operational savings.

Application QoS (Quality of Service) support for industrial switches

The proliferation of IoT devices extends to industrial environments, and Cisco ruggedized industrial switches can be found deployed in manufacturing facilities and other industrial environments. Setting bandwidth allocations is currently a cumbersome manual process. If a network operator wants to write a QoS policy for an IoT device, they have to not only understand the queuing model for that device but also map the QoS settings among other platforms on their network to manage the end-to-end QoS. In Cisco DNA Center 2.2.3, network operators can author and push QoS policies to Cisco Catalyst® IE3300 and IE3400 Rugged Series Switches from Cisco DNA Center’s Application QoS. They can apply default QoS trust settings as well as queuing settings based on Cisco Validated Designs, or they can write a custom QoS policy for these devices. This removes the complexity of pushing a QoS policy and helps organizations ensure a good experience for end users in industrial environments.

Access point reports with 12-month data retention

Reporting enables network operators to understand and communicate the enterprise network performance with key stakeholders in their organization. Historical reports offer valuable information for network operators, IT executives, and CIOs, as they use this information to plan and implement network enhancements and upgrades. Cisco DNA Center 2.2.3 provides new client trend and access point KPI reports that have data retention periods of up to 12 months and empower network operators to track and measure their wireless network performance. These new reports enable network operators to adjust wireless capacity on their networks and view seasonality and longer-term patterns to improve their wireless planning and budgeting.

Policy Analytics dashboard with SD-Access

In the past, when users navigated to group-based access control, they landed on the Policy Matrix page, which does not provide policy activity and alerts. With this release, instead of having to search for insights and specific alerts, they have a consolidated view of policy activities and alerts with the Policy Analytics dashboard. Users can select the alerts and policies to attend to, which helps them save time and manage the network policy more efficiently.

Enhanced Endpoint Analytics integration using ISE with SD-Access

Creating ISE authorization policies requires network operators to manually create ISE endpoint profiles that reference Endpoint Analytics attributes. Enhanced Endpoint Analytics shares these attributes, removing the manual process of creating profiles. Endpoint Analytics can also share ServiceNow Configuration Management Database (CMDB) attributes and trust score attributes with ISE through this integration. This new integration greatly reduces the time and repetition of creating ISE endpoint profiles.

NAT device detection with SD-Access

Network Address Translation (NAT) devices create unauthorized and unmanaged entry points on the network. Identifying and removing these security threats quickly is important. The new NAT device detection feature on Endpoint Analytics identifies threats and helps organizations detect NAT devices quickly and more accurately.

New inputs for trust score with SD-Access

Network security administrators have difficulty processing multiple sources of endpoint security information that commonly conflict with each other to assess the safety of the endpoint. The Cisco DNA Center Trust Score engine aggregates various endpoint security inputs and evaluates endpoint trust into a single but comprehensive score. In this release, new trust score inputs include NAT detection, concurrent MAC address detection, posture, authentication, and anomalous changes in profile label detection for better and more reliable trust scores. The new trust score helps network security administrators make security decisions more quickly and confidently.

Increased internet resiliency through improved SD-Access architecture

Using publish/subscribe (pub/sub) for messaging drives an evolution of the Cisco SD-Access control plane architecture, expanding the capabilities of Cisco Locator/ID Separation Protocol (LISP). The LISP pub/sub solution eliminates the need for Border Gateway Protocol (BGP) for control plane communications. It tracks and signals the presence of an internet default route at a single fabric site and across all connected fabric sites, allowing for dynamic path optimization toward available internet services. Elimination of BGP bypasses peering limits and increases the SD-Access transit scale. The LISP pub/sub solution helps network operators by increasing internet resiliency through routing convergence, simplifying fabric site design and troubleshooting issues.

Network Compliance Audit and Remediation

Compliance auditing is required to improve confidence that the network is operating securely and reliably. At times, network operators make device configuration changes and forget to replicate changes into the startup configuration. When a device reboots, the running or production configuration can be lost. Checking for out-of-sync devices and remediating them can be a lengthy manual process. The new Network Compliance Audit feature allows network operators to quickly assess the devices that do not adhere to the corporate standards. The new Network Compliance Remediation feature allows network operators to automatically sync running (production) configurations with startup configurations for all the network elements. Network operators can select one or many devices, view and validate the change, select and sync those devices, and remediate them to maintain compliance. The two new features together reduce human involvement and error and help ensure that the network is running the intended configuration standards.

Device replacement workflows for LAN automated networks

LAN automation enables network operators to automate the setup and deployment of their wired fabric and nonfabric networks. As automated LANs grow, so does the possibility of device failures. Until now, network operators had to manually replace failed devices in their automated LANs. This often involved manually replicating the configuration, verifying fabric role, and replicating credentials. All of these activities are time-consuming and error prone. Cisco DNA Center 2.2.3 brings a simplified one-touch workflow to easily replace failed devices in the automated LAN. Using this workflow, network operators simply mark the failed device for replacement, plug in the replacement device, and discover the replacement device. Cisco DNA Center takes care of the rest, including retaining configurations, licenses, and fabric roles and completely onboarding the replacement device. This feature minimizes network downtime due to device failure, reduces the risk of user error during device replacement, and improves network operator productivity by minimizing manual effort.

3x endpoint scale increase

Organizations face an explosion of mobility and IoT devices on their networks. This release allows Cisco DNA Center to manage three times the number of endpoints handled under the previous release, helping to avoid the need to launch an entirely new Cisco DNA Center cluster and install a new controller. This enables enterprises to provide the same level of service to their users at a much lower cost per endpoint and minimizes costly errors in governance and policy.

Security Advisory updates

Finding Security Advisory updates and patching security bugs takes a lot of time and is very repetitive. Customers who don’t address these network security issues in a timely manner remain vulnerable. Security Advisory leverages Cisco’s Machine Reasoning Engine (MRE), which is Cisco’s cloud-based AI/ML knowledge base. Security Advisory packages 35 years of Cisco network expertise to automatically flag security issues from the advisory notes. In this release, Disaster Recovery, Easy Trigger Port, and new API updates provide different types of images to help organizations resolve the open vulnerabilities on their networks. This feature saves network operators valuable time by automating repetitive tasks and automatically identifying important vulnerabilities in minutes rather than what would take hours or days when done manually.

Faster disaster recovery

Customers who chose to deploy Cisco DNA Center’s Disaster Recovery configuration can enjoy an even faster recovery time that is reduced from 30 minutes to 15 minutes (excluding the time to detect the failure), allowing them to get back to operations faster. Failover detection is minimized to 3 minutes. This provides improved fault tolerance and near-constant availability for Cisco DNA Center.

Create and share custom topology layouts

Every network is unique in terms of devices deployed, its interconnections, and its link status. The topology needs to support custom layout of devices for different users and groups within an organization. Topology enhancements in Cisco DNA Center 2.2.3 allow users to create, modify, and set their default topology view based on individual preferences and share their custom topologies with other users.

Easily trigger port actions

Network operators need to be able to update VLANs, update port descriptions, and reset interfaces for troubleshooting purposes. Currently these operations can’t be easily triggered from the UI. Starting with Cisco DNA Center 2.2.3, network operators can take these actions from a new device view, saving the network operations team’s valuable time.

New APIs

Running Cisco DNA Center in headless mode allows enterprises to use the APIs to scale and automate various Cisco DNA Center functions. New APIs include ones for provisioning SD-Access fabric, handling IP Address Management (IPAM) certificates, and providing additional integrations with third-party vendors. They help save valuable time for developers and enterprises by reducing the dependence on the GUI to perform repetitive network functions.

Automation features

Table 1.           Cisco DNA Automation features and benefits

Feature

Description and benefits

Network discovery

Automatically discovers and maps network devices to a physical topology with detailed device-level data. The discovery function uses the following protocols and methods to retrieve device information, such as IP addresses, neighboring devices, and hosts connected to the device:

●  Cisco Discovery Protocol

●  Link Layer Discovery Protocol (LLDP) for endpoints

●  IP Device Tracking (IPDT) and Address Resolution Protocol (ARP) entries for host discovery

●  LLDP Media Endpoint Discovery (LLDP-MED) for discovering IP phones and some servers

●  Simple Network Management Protocol (SNMP) versions 2 and 3

Inventory

Retrieves and saves details, such as host IP addresses, MAC addresses, and network attachment points, about devices in its database. After the initial discovery, Cisco DNA Center periodically scans the network to create a “single source of truth” for IT. This inventory includes all network devices, along with an abstraction for the entire enterprise network. It keeps an updated inventory of devices and software images on that device for version control and provides data to applications (such as Software Image Management [SWIM] and Cisco EasyQoS) so that the correct device and image version are used. It allows applications to be device independent, so configuration differences between devices aren’t a problem.

Meraki® discovery and integration

Provides for the discovery of all Meraki devices on the network and integrates them into the Cisco DNA Center dashboard. It provides for a single pane of glass for both Cisco and Meraki devices.

Network design and profile-based management

Allows you to manage your network in a hierarchical fashion by letting you add areas and buildings on a geospatial map. You can start by defining your sites, then add buildings to sites and add floors with detailed floor plans to the buildings. Cisco DNA Center lets the user define profiles, which consist of common network settings such as device credentials, DHCP, DNS server, AAA server, IP address pool, etc. Wireless settings such as SSIDs and RF profiles can be created globally and customized at site levels. These profiles form the basis for network automation. Network profiles can be created for Network Function Virtualization Infrastructure Software (NFVIS), routing, firewall (including Adaptive Security Appliance [ASA]), switching, and wireless.

Device tagging

An administrator can tag network devices in order to associate devices that share a common attribute. For example, you can create a tag and use it to group devices based upon a platform ID, Cisco IOS® release, or location. Allows for grouping of devices based on specialized needs.

Configuration drift visibility

Allows network operators to compare any two device configuration versions in a very visual manner. Having different versions of a device configuration available allows for accurate accountability of every configuration change.

Network Plug and Play (PnP)

Allows off-the-shelf Cisco devices to be provisioned simply by connecting them to the network. Cisco Network PnP provides a secure, scalable, seamless, and unified zero-touch-deployment experience for customers across Cisco's entire enterprise network portfolio of wired and wireless devices. Deploy new devices in minutes, without onsite support visits. Eliminate repetitive tasks and eliminate staging. Network PnP reduces the burden on enterprises by greatly simplifying the deployment process for new devices, which can significantly lower operating expenditures (OpEx) as well. For more details, refer to the solution guide for the Network Plug and Play application: https://www.cisco.com/c/en/us/td/docs/solutions/Enterprise/Plug-and-Play/solution/guidexml/b_pnp-solution-guide.html

Meraki wireless provisioning

Provision SSIDs in Meraki APs through Cisco DNA Center. This feature allows Meraki access points to be assigned SSIDs through Cisco DNA Center, without having to open the Meraki dashboard application.

Cisco Umbrella® integration

Allows Cisco Umbrella to be deployed across sites and SSIDs from within the Cisco DNA Center dashboard. Cisco Umbrella provides DNS-layer security and is one of the quickest and most effective ways to improve your security stack. Read the blog: https://blogs.cisco.com/networking/cisco-dna-center-and-cisco-umbrella-automate-your-journey-towards-dns-security.

Software Image Management (SWIM)

Manages software upgrades and controls the consistency of image versions and configurations across your network. Speeds and simplifies the deployment of new software images and patches. Pre- and post-checks help ensure no adverse effects from an upgrade. This is an easy way to build a central repository of software images and apply them to devices. Administrators can mark software images as golden for a device family, allowing them to upgrade devices to the software image and patch versions that are in compliance with the golden versions defined in the repository. Patches are supported in Cisco DNA Center from intent to pre- and post-checks in the same way that we manage regular images. It also tracks when software maintenance updates, subpackages, ROM Monitor, AP Service Pack, and AP Device Pack upgrades are applied to the base image.

Device replacement and RMA workflows

Workflow templates allow for the replacement (RMA) of switches and routers. Includes restoration of Cisco IOS Software, configurations, and licenses. Also completes device replacement in operational systems such as Cisco ISE, certificate servers, and Cisco DNA Center inventory. Saves time and retains existing setup, licenses, and KPI trends.

Branch deployment automation

Simplified workflows for physical and virtual branch automation; day-0 router and NFV design. Onboard WAN devices and services via easy steps:

1.     Configure network settings, service provider, and IP pools.

2.     Design a router or virtual profile.

3.     Assign to sites and provision network devices.

Enterprise Network Functions Virtualization (ENFV) automation

Facilitates branch virtualization on any hardware device, Cisco or third-party. Saves time in setting up network virtual services and management of remote virtual servers via Cisco DNA Center. Supports existing branch migration without hardware upgrade. This feature includes full NFV management, configurations for ENFV topologies, and routing, such as switched port analyzer (SPAN) sessions, port mirroring, and packet capture.

Wireless automation

Intent-based workflows for simplified wireless deployment and automation:

●  Network profiles: A container of wireless properties that can represent single or multiple sites

●  Simplified guest and SSID creation

●  Advanced RF support for wireless networks

●  A single workflow to enable Cisco FlexConnect ® or centralized wireless deployment

●  PnP provisioning for APs

●  IP Access Control List (ACL) support

●  Access and access control policy for SD-Access Wireless only

Cisco StackWise® Virtual support

Base Automation (inventory, discovery, SWIM, topology, template programmer) and Assurance support for Cisco Catalyst® 9500 and 9400 Series StackWise Virtual switches. StackWise Virtual technology on the Cisco Catalyst 9000 platform allows the clustering of two physical switches together into a single logical entity, resulting in enhancements in all areas of network design, including high availability, scalability, management, and maintenance. Customers can now use Cisco DNA Center to manage the StackWise Virtual device, along with monitoring the health and status of StackWise Virtual ports and links.

Policy creation

Allows the creation of policies based on business intent for a particular part of the network. Users can be assigned policies for the services they consume, and these policies follow them throughout the network. Policies are translated by Cisco DNA Center into network-specific and device-specific configurations that can be adjusted dynamically based on network conditions. Of foundational importance for intent-based networking, policies define the business intent that is desired and allow the network to guarantee services.

Application policy creation

Allows policies to be assigned to applications based on business relevance. These applications can then be attached to sites (locations) where the policy should be applied. This feature allows business-critical applications to have greater QoS priority in the sites where their use is relevant. It is important for mission-critical applications such as machine-to-machine control in manufacturing or life-saving devices in healthcare, as well as for business-critical applications such as video in customer experience centers or voice in support sites.

Rogue management and aWIPS

Supports the detection of rogue and Adaptive Wireless Intrusion Prevention System (aWIPS) threats on your campus network from within Cisco DNA Center. The Rogue and aWIPS dashboard provides detailed threat analysis and a global view of all rogue access points detected in the network, with insight into the highest priority threats so that they can be quickly identified. The Threat 360 view on this dashboard provides further details on any specific threat. This includes a map view for quick location, and all affected clients.

Assurance features

Table 2.           Cisco DNA Assurance features and benefits

Feature

Description and benefits

Network and Client Health dashboards

Assurance dashboards that give a high-level overview of the health of every network device and client on the network, wired and wireless. They provide the top 10 global issues and allow the administrator to expand views by geographical site, device list, client list, or topology. Any poorly connected devices or communication issues will be highlighted, with suggested remediation. Users can customize how the health score is computed.

Application Health dashboard

Provides a general overview of the health of all applications on the network. Includes a special section on applications that have been tagged as business relevant. Business-relevant application issues are highlighted, with suggested remediation for any anomalies.

Wireless Sensor dashboard

Shows overall tests, connectivity statistics, and top wireless issues discovered by Cisco Aironet® Active Sensors. Includes test results for DHCP, DNS, host reachability, RADIUS, email, Microsoft Exchange Server, web, FTP, and a complete IP SLA for data throughput speed, latency, jitter, and packet loss. Guided remediation for any test failures.

Wi-Fi 6 Readiness dashboard

Prepares your network for the new Wi-Fi standard, verifying your hardware and configuration compatibility and checking your capacity readiness. This visibility will speed your upgrade and help ensure that you are upgrading the neediest locations first. After upgrading, advanced wireless analytics will indicate performance and capacity gains as a result of the Wi-Fi 6 deployment.

Included are features that check network devices for support of critical Wi-Fi 6 requirements (IPv6, wireless controller software versions, switch support, etc.) and look for software or hardware that is not compatible. It categorizes wireless clients by Wi-Fi version (protocol) and indicates areas where upgrade is most urgent. Shows wireless system performance following upgrade.

The Wi-Fi 6 Readiness dashboard allows customers to visualize two main aspects: First, it shows the readiness of their network with respect to Wi-Fi 6 across several different sites and locations. Key aspects of the readiness assessment include how many Wi Fi 6-capable clients are seen in the network, whether the user has the right AP model to support Wi-Fi 6, whether the APs and wireless LAN controllers (WLCs) are running the right OS version, whether the Wi-Fi 6 configuration is enabled, etc. Second, the dashboard allows the user to visualize the benefits of the Wi-Fi 6 network in terms of higher capacity, superior connectivity, and lower latencies on Cisco DNA Analytics and Assurance. After upgrading, advanced wireless analytics will indicate performance and capacity gains as a result of the Wi-Fi 6 deployment. For more information, see https://blogs.cisco.com/networking/cisco-dna-your-fastest-route-to-wi-fi-6.

Streaming telemetry

Enables network devices to send near-real-time telemetry information to Cisco DNA Center. The data can be used to optimize networks, locate where problems occur, and investigate issues in a collaborative manner. Telemetry data (events, KPIs) can be exported and surfaced via event-driven notifications.

Traffic Telemetry Appliance

This hardware solution collects networking data, processes it, and provides streaming telemetry to Cisco DNA Center. This can be useful in areas of your network where you do not have devices that support the types of telemetry that you need to collect from the local network, including NetFlow, Application Visibility and Control (AVC), Network-Based Application Recognition (NBAR), NBAR2, etc. This appliance can also perform Deep Packet Inspection (DPI) on network traffic in order to support Cisco AI Endpoint Analytics. This is a strong solution for areas with only Layer 2 network devices or for branch offices with third-party switches that do not support transmission of real-time telemetry. For more information, see the data sheet: https://www.cisco.com/c/en/us/products/collateral/cloud-systems-management/dna-traffic-telemetry-appliances/datasheet-c78-744352.html.

Power over Ethernet analytics

Provides visibility into the power loads that a switch is experiencing. Endpoint devices that are pulling too much power, as well as switches that are approaching overload, are flagged. Granular visibility shows the available power on any switch for quick installation of IoT endpoint devices.

Device 360 and Client 360

Provide assurance and overall health of devices, including parameters such as memory or CPU utilization, uplink availability, and other KPIs to help operators be more proactive and enable them to predict future issues. Device 360 and Client 360 can take you to different timeframes and associated issues that affect the device or client. They also provide suggested remediation, resolved issue lists, and historical data to help troubleshoot issues.

ThousandEyes

Cisco ThousandEyes can be installed on all supported switches via a GUI-supported installation process in Cisco DNA Center. No additional SSD needs to be deployed to each switch, but the app resides on the switch’s flash storage, providing significant time and cost savings to deploy ThousandEyes.

Path trace

Allows the operator to visualize the path of an application or service from the client through all devices and to the server. A common, and critical, troubleshooting task that normally requires 6 to 10 minutes is displayed instantly upon clicking on a client or application. Troubleshoots issues along the network path.

●  Run a path trace from source to destination to quickly get key performance statistics for each device along the network path.

●  Identify ACLs that may be blocking or affecting the traffic flow.

Network time travel

Allows the operator to see device or client performance in a timeline view to understand the network state when an issue occurred. Allows an operator to go back in time up to 14 days and see the cause of a network issue, instead of trying to re-create the issue in a lab.

●  Rewind time to when the issue occurred.

●  See a history of critical events.

●  View all the information on the user or network device changes to the selected time.

On-device analytics

Assurance and analytics are performed on the Cisco switch, router, or wireless controller where the anomaly was discovered. Critical metrics can be identified and immediately acted on before an incident occurs. KPIs that are core to business operations can be maintained in real time, and close to the users that rely on them.

Cisco AI Network Analytics

Using AI and machine learning, Cisco AI Network Analytics drives intelligence in the network, empowering administrators to improve performance and issue resolution accurately and effectively. We are taking network analytics to a new level where noise and false positives are significantly reduced and enabling customers to very accurately identify issues, trends, anomalies, and root causes.

Intelligent issue detection and analysis

●  AI-driven personalized baselining: No two networks are the same. AI-driven technologies can learn the user trends, services, and application metrics that are specific to your network. Cisco DNA Assurance can then create a customized performance curve for analytical decisions. The AI-driven baseline for the performance parameters that are unique to your network is constantly adapted as your network grows and changes. From there, the AI-driven analytics engine (both on premises and in the Cisco cloud) can make accurate decisions for what is normal and what is not, based on this personalized baseline.

●  AI-driven anomaly detection: This capability surfaces any deviation from our AI-created personalized baseline for this network, allowing Cisco DNA Center to make sense of all the network data. The system can accurately detect performance issues and ignore unusual but harmless network anomalies. This reduces noise while accurately identifying anomalies that have the greatest impact on your network. AI-driven predictive analytics and proactive insights allow users to anticipate and prevent failures. The machine learning engine can predict increases in Wi-Fi interference, onboarding delays, office traffic load, etc. This is because, in IP networks, a problematic event is often preceded by a benign event or series of events. By learning how series of events are correlated to one another, predictive analytics can help network administrators anticipate the unexpected.

●  AI-driven accelerated remediation: Cisco AI Network Analytics provides accelerated remediation through machine learning, which identifies the most critical variables related to the root cause of a given problem. This helps users detect issues and vulnerabilities, perform complex root cause analysis (using a Machine Reasoning Engine), and execute corrective actions faster than ever. In coming releases, we will enable machine reasoning to execute the logical troubleshooting steps that an engineer would perform in order to resolve a problem. Both of these capabilities accelerate remediation, making your team more precise in problem solving and more productive overall.

Machine Reasoning Engine (MRE)

Defines the next intelligence evolution and helps in complex workflows where the result of one action determines the next. It closely resembles how human beings themselves reason things out and accomplish multistep tasks. An example where Cisco DNA Center uses MRE is to find and fix potentially crippling routing loops that require a careful analysis spanning multiple devices. This allows your new IT team members to accomplish complex tasks instead of escalating them, and for your more seasoned IT team members it saves time by automating tedious workflows. For more information, read the blog: https://blogs.cisco.com/networking/machine-reasoning-is-the-new-ai-ml-technology-that-will-save-you-time-and-facilitate-offsite-netops.

Wi-Fi Client Analytics for Apple iOS clients

A joint development with Apple, Wi-Fi Client Analytics offers Cisco DNA Assurance insights into the performance and experience of iOS clients (iPhone/iPad) on the wireless network. It allows the administrator to view wireless performance from the perspective of the client.

●  Supports per-device-group policies and analytics

◦      Client details, such as iPhone model and iOS information

●  Provides insights into the client’s view of the network

◦      Basic Service Set Identifier (BSSID)

◦      Received Signal Strength Indicator (RSSI)

◦      Channel number

●  Provides clarity regarding the reliability of connectivity

◦      Client reasons, such as error codes for last disconnection

Samsung client analytics

Gets client device profile information (model, OS version, sales code) and more than 20 onboarding error states from the client. Cisco's partnership with Samsung allows a Cisco network to get the client’s point of view of the network — what access points it sees, the reasons for disconnections, and the current state of the user experience — provided through Cisco DNA Assurance.

Wireless sensor advancements

Location-based test templates for running sensor tests, external WebAuth assessment for guest onboarding to Cisco Identity Services Engine (ISE), location-based sensor heatmap, Sensor 360 with AP neighbor map view, enhanced day-0 Cisco DNA Center discovery, and dedicated wireless backhaul, including the following:

●  Improved day-0 discovery of sensors with dedicated wireless backhaul and Secure Shell (SSH) support with Extensible Authentication Protocol – Transport Layer Security (EAP-TLS) support on wireless backhaul.

●  Customers have the ability to standardize on the proactive sensor tests they want to run across hundreds of sites that are part of the enterprise in a consistent fashion by leveraging sensor test templates and flexible scheduling capabilities.

●  Sensors can now also simulate the guest-onboarding experience in ISE.

●  Once the tests are set up, customers have the ability to centrally monitor them from the newly built heatmap-based sensor dashboard that can help pinpoint sites having problems and then drill down to specific locations where more client onboarding is failing or where there is poor RF coverage, using location heatmaps and Sensor 360.

Enhancement to day-N sensor management use cases, including sensor status monitoring, SSH control with user name, LED flash control, name change with bulk change options, site hierarchy management, and support for bundle access for Cisco Technical Assistance Center (TAC) troubleshooting

Executive summary report

Weekly and daily reports providing executives a summary of how their network is performing, with insights into network devices, clients, and applications:

●  View a summary of weekly and daily network and client health and application performance.

●  View a comparison with and changes made since the previous period.

●  Analyze the number of network devices and clients seen on the network.

●  View the top client types seen on the network.

●  Analyze issue trends and top issues.

Intelligent Capture

Provides support for a direct communication link between Cisco DNA Center and APs, so that each of the APs can communicate with Cisco DNA Center directly. Using this channel, Cisco DNA Center can receive packet capture data, AP and client statistics, and spectrum data. With the direct communication link between Cisco DNA Center and APs, Intelligent Capture allows you access to data from APs that is not available from the wireless controllers.

ServiceNow and IT Service Management (ITSM) closed loop integration

Cisco DNA Center can now auto-resolve open ticket numbers in ServiceNow and other ITSM platforms. When Cisco DNA Assurance detects that a fault has been resolved, it will check for an ITSM ticket number. If one exists, it will send a ticket status change with the ticket number to the ITSM system, which will automatically close the open ticket in that system.

Application Experience

Tracks performance of predefined “critical business applications.” Shows user experience and performance metrics. Provides specialized rapid troubleshooting per application and per client. Enables unparalleled visibility and performance control over the applications that are critical to your core business, on a per-user basis. Multimedia monitoring uses Perfmon processing for Real-Time Protocol (RTP) streams, allowing teams to verify the quality of critical real-time applications such as multimedia. URL monitoring provides visibility into cloud-based (URL-based) applications so that their performance is optimized. Application Experience provides users the performance they need on the applications that are key to their company role.

SD-Access features

Table 3.           SD-Access features and benefits

Feature

Description

Enhanced visibility into endpoints and traffic patterns

The Endpoint Analytics application in Cisco DNA Center identifies and classifies endpoint devices on a campus network with the use of AI/ML. Through the use of various profiling methods, including Deep Packet Inspection (DPI), it establishes visibility into what is on the network so that new endpoints can be authenticated and assigned an appropriate policy for network usage, security, and segmentation.

Group-based policy analytics simplifies the delivery of segmentation policies. It uses analytical models to visualize the activity between endpoint profiles, scalable groups, and host groups in order to verify that the network policies are optimizing performance and security. The feature provides a way for users and endpoints to be identified and categorized, and for granular access privileges to be provided to the resources that each endpoint requires, while segmenting them from everything else.

Granular multilevel segmentation

SD-Access, through Cisco DNA Center, creates virtual overlays over the underlying physical infrastructure and segments the network without regard to its topology. SD-Access also segments at a micro level by enforcing group-based policies through the network infrastructure. The resulting granular segmentation controls traffic flows without using complex firewalls and Access Control Lists (ACLs), which can be difficult and costly to maintain.

Fabric infrastructure optimizations:

●  Automates VRF configuration (lines of business, departments, etc.) and creates overlay virtual networks.

●  Onboards users with 802.1X, MAB, Active Directory, and static authentication. Option to move users in a critical VLAN during the unavailability of ISE.

●  Resilient control plane architecture using LISP pub/sub allows for dynamic path optimization toward available internet services. It simplifies fabric site design, routing convergence, and troubleshooting tasks.

●  Simplifies network operations with a standard, error-free underlay network using LAN Automation.

●  Uses Encrypted Traffic Analytics (ETA) to further enhance analysis of traffic through AVC and NetFlow.

Ease of migration to SD-Access fabric:

●  Layer 2 handoff at border is a key capability allowing hosts in SD-Access fabric to communicate with the traditional network at Layer2.

●  Fabric provides support for end hosts that require Layer 2 flooding; for example, building management systems, audio-visual equipment, etc.

●  SD-Access introduces the support of existing access VLANs, allowing users to retain their existing access VLAN IDs when creating macro segments in fabric. Customers can retain existing access VLAN IDs when connecting directly to the SD-Access fabric edge to simplify and speed up their SD-Access segmentation journey.

●  Macro-segmentation without ISE capability is suited for deployments that have fabric at the distribution layer connecting downstream to an external Layer 2 switching domain. Customers can deploy an automated network fabric and use macro-segmentation with virtual networks without ISE.

Deployment flexibility with SD-Access fabric:

●  SD-Access offers a distributed campus design with automated intersite connectivity with end-to-end policy and segmentation.

●  Fabric in a Box allows the border node, control plane node, and edge node to run on the same fabric node, simplifying fabric deployment for a small site or a branch.

●  SD-Access extended nodes provide the ability to extend the enterprise network by providing connectivity to noncarpeted spaces of an enterprise. This allows network connectivity and management of IoT devices and the deployment of traditional enterprise end devices in outdoor and noncarpeted environments such as distribution centers, warehouses, or campus parking lots.

●  SD-Access fabric offers two options for integrating wireless access:

◦      SD-Access Wireless using a VXLAN distributed data plane and a centralized control plane provides a consistent fabric experience and policy simplification for wired and wireless access.

◦      Over the top involves running a traditional Cisco Unified Wireless Network architecture with Control and Provisioning of Wireless Access Points (CAPWAP) on top of a fabric wired network. This is a possible migration step to full SD-Access wireless implementation.

●  Multisite remote border feature allows users to segregate untrusted traffic from various fabric sites to a firewall at the DMZ.

●  Fabric zone features allow administrators to control the provisioning of IP subnets on select fabric edge nodes for better site scalability and security.

●  SD-Access supports IPv4 as well as IPv6 endpoints.

●  Cisco SD-Access offers support for the Cisco Wide Area Bonjour application, allowing users to discover and use shared services with minimal intervention and configuration.

Simplified fabric operations:

SD-Access Assurance allows users to detect, diagnose, and troubleshoot fabric issues in real time with minimized downtime and a better experience. The newly introduced SD-Access Assurance landing page contains overall fabric health for each fabric site deployed. KPIs configured on the fabric nodes provide insights for faster issue identification and suggested actions to remediate issues. KPIs are organized into categories to quickly triage control plane, infrastructure, and connectivity issues.

●  Fabric control plane provides reachability checks between fabric edge/border and fabric control plane node.

●  Fabric infrastructure validates AAA server status from fabric edge and policy extended nodes to Identity Services Engine (ISE).

●  Fabric connectivity provides reachability checks from edge to fabric border, and control plane and port channel connectivity checks between fabric edge and extended nodes.

Fabric UX2.0 provides administrators with an enhanced experience in the user interface that integrates simplicity, flexibility, and a rich, intuitive context.

Continuous verification of trust

Trust Analytics is an aggregation of various inputs and sources into a single, comprehensive, flexible trust score. Trust Analytics detects traffic from endpoints that are exhibiting unusual behavior. When anomalies in the network are detected, Trust Analytics lowers the trust score for the endpoint to limit or completely deny access to the network through integration with ISE. The feature expedites the detection and containment of untrustworthy endpoints that could lead to a security breach.

System and platform capabilities

Table 4.           Cisco DNA Center system capabilities

Feature

Description and benefits

Role-Based Access Control (RBAC)

Allows users to be mapped to one of the four predefined roles. The role determines what types of operations a user can perform within the system.

Backup and restore

Supports complete backup and restore of the entire database for added protection.

ISE integration

Integrates with ISE through pxGrid or API for fabric overlay support.

Workflows

Cisco DNA Center workflows are step-by-step guides through particular tasks; for example, “Create a role,” “Refresh AP,” etc. Workflows can be paused and revisited through the “in-progress” library on the workflow homepage. The workflow homepage can be found by clicking the menu icon on the GUI and clicking on “Workflows.” The home page will have a library of workflows along with in-progress workflows.

Activity center

The activity center is a centralized space to find audit logs and scheduled tasks. Audit logs record system events that occurred, when and where they occurred, and which users initiated them. With audit logging, configuration changes to the system are logged in separate log files for auditing. The Scheduled Tasks tab allows you to view upcoming, in-progress, completed, and failed administrative tasks, such as OS updates or device replacements.

Table 5.           Cisco DNA Center platform capabilities

Feature

Description and benefits

Northbound REST APIs

The Cisco DNA Center platform supports Representational State Transfer (REST) APIs at the northbound layer for programmability. The Cisco DNA Center API provides support for the following features:

●  Discovery, device inventory, and network topology

●  SWIM, Plug and Play (PnP), wireless, SD-Access, and application policy

●  Template programmer and command runner

●  Assurance: Site, device, and client health monitoring and path tracing

●  NFV provisioning

●  Configuring event management notifications through APIs

IT Service Management (ITSM) integration

Minimizes the need for handoffs, deduplicates issues, and optimizes processes for proactive insights and faster remediation. Out-of-the-box integration exists with ServiceNow. The generic APIs exposed by the Cisco DNA Center platform enable partners and developers to integrate with any ITSM system.

IP Address Management (IPAM) integration

Allows for a seamless import of IP pools for Cisco DNA Center workflows from external IPAM systems and the synchronization of IP pool and subpool usage information between the two systems. Out-of-the-box integration exists with Infoblox and BlueCat. The Cisco DNA Center platform provides generic APIs to integrate with any IPAM system.

Events and notifications

The Cisco DNA Center platform webhooks allow third-party applications to receive notifications and listen to any events detected by Cisco DNA Assurance, automation, and other task-based operational workflows.

Multivendor SDK

The Cisco DNA Center Multivendor Device Pack SDK allows partners to add support for managing third-party devices directly through Cisco DNA Center.

Table 6.           Correlated insights

Category

Insights

Wireless issues

Client onboarding

●  Association failures

●  Authentication failures

●  IP address failures

●  Client exclusion

●  Excessive onboarding time

●  Excessive authentication time

●  Excessive IP addressing time

●  AAA, DHCP reachability

Client experience

●  Throughput analysis

●  Roaming pattern analysis

●  Sticky client

●  Slow roaming

●  Excessive roaming

●  RF, roaming pattern

●  Dual-band clients prefer 2.4 GHz

●  Excessive interference

●  Apple iOS client disconnect

Network coverage and capacity

●  Coverage hole

●  AP license utilization

●  Client capacity

●  Radio utilization

Network device monitoring

●  Availability

●  Crash, AP join failure

●  High availability

●  CPU, memory

●  Flapping AP, hung radio

●  Power supply failures

Sensor issues

Sensor onboarding

●  Association failures

●  Authentication failures

●  IP address failures

●  Sensor exclusion

●  Excessive onboarding time

●  Excessive authentication time

●  Excessive IP addressing time

●  AAA, DHCP reachability

Sensor experience

●  Throughput analysis

●  Outlook web response time

●  Web server response time

●  SSH server response time

●  Mail server response time

●  FTP server response time

●  Excessive radio interference

Routing issues

Router health

●  High CPU

●  High memory

Routing technologies

●  BGP AS mismatch, flap

●  OSPF adjacency failure

●  Enhanced Interior Gateway Routing Protocol (EIGRP) adjacency failure

Connectivity

●  Interface high utilization

●  LAN connectivity down/flap

●  IP SLA to SP gateway connectivity

Switching issues (nonfabric)

Client onboarding

●  Client or device DHCP

●  Client or device DNS

●  Client authentication or authorization

Switch

●  CPU, memory, temperature

●  Line card

●  Modules

●  Power over Ethernet (PoE) power

●  Ternary Content-Addressable Memory (TCAM) table

SD-Access issues

Border and edge reachability

●  Control plane reachability

●  Edge reachability

●  Border reachability

●  Routing protocol

●  MAP server

Data plane

●  Border and edge connectivity

●  Border node health

●  Access node health

●  Network services DHCP, DNS, AAA

Policy plane

●  ISE or pxGrid connectivity

●  Border node policy

●  Edge node policy

Client onboarding

●  Client or device DHCP

●  Client or device DNS

●  Client authentication or authorization

Switch

●  CPU, memory, temperature

●  Line card

●  Modules

●  PoE power

●  TCAM table

SD-Access requirements

Maximum latency supported, roundtrip time

Figure 3.               

Maximum latency supported, roundtrip time

SD-Access platform scale

The following tables outline the Cisco SD-Access platform scale. The limits in this section are not necessarily dependent on Cisco DNA Center, but rather the model of device and its capacity design.

Table 7.           Cisco SD-Access control plane node scale

Cisco SD-Access control plane node scale

Family

Cisco Catalyst

ASR 1000, 4000 Series ISR

ASR 1000 4000 Series ISR

CSR

Device

3850

9300/X/L

9400 Sup-XL/Y

9500

9500H

9600

6800

8 GB RAM

16 GB RAM

1000v

Endpoints

3000

16,000

80,000

80,000

150,000

150,000

50,000

100,000

200,000

200,000

Control-plane scale does not depend on TCAM; it only consumes memory.

Table 8.           Cisco SD-Access border node scale

Cisco SD-Access border node scale

Family

Cisco Catalyst

Cisco Nexus1

ASR 1000, 4000 Series ISR

ASR 1000, 4000 Series ISR

Device

3850

9300/L

9400 Sup-XL/Y

SD-Access sdm template

9500

SD-Access sdm template

9500H

9600

6840/ 6880LE

6880XL

7700

8 GB RAM

16 GB RAM

Virtual networks2

64

256

256

256

256

256

128

128

128

128

128

IPv4 routes

8000

8000

64,000

64,000

48,000

48,000

60,000

450,000

500,000

1,000,000

4,000,000

Fabric host entries3 (host /32 or /128)

16,000

16,000

70,000

70,000

150,000

150,000

180,000

450,000

32,000

1,000,000

4,000,000

IPv4: SGT bindings

12,000

10,000

40,000

40,000

40,000

200,000

256,000

256,000

200,000

750,000

750,000

SGT/DGT policies

4000

8000

8000

8000

16,000

32,000

30,000

30,000

16,000

64,000

64,000

SG-ACEs (contract actions)

1500

5000

18,000

18,000

13,000

27,000

12,000

30,000

128,000

64,000

64,000

1 Cisco Nexus 7700 can be an external border only.

2 Virtual network scale also depends on the Cisco DNA Center platform VN scale. See Table 7 for SD-Access scale.

3 If an endpoint has multiple IPv4 or IPv6 addresses, then each address will be counted as an individual entry.

Fabric host entries include access points and classic and policy-extended nodes.

Additional border node scale considerations:

/32 (IPv4) or /128 (IPv6) entries are used when the border node forwards traffic from outside the fabric to a host in the fabric.

For all switches except Cisco Catalyst 9500 High Performance and Cisco Catalyst 9600 Series Switches:

●     IPv4 uses one TCAM entry (fabric host entries) for every IPv4 IP address

●     IPv6 uses two TCAM entry (fabric host entries) for every IPv6 IP address

For the Cisco Catalyst 9500 High Performance and Cisco Catalyst 9600 Series Switches:

●     IPv4 uses one TCAM entry (fabric host entries) for every IPv4 IP address

●     IPv6 uses one TCAM entry (fabric host entries) for every IPv6 IP address

Table 9.           Cisco SD-Access Layer 2 handoff border node scale considerations

Cisco SD-Access Layer 2 handoff border node scale considerations

Family

Cisco Catalyst

Nexus

ASR 1000, 4000 Series ISR

ASR 1000, 4000 Series ISR

Device

3850

9300/L

9400

9500

9500H

9600

6800

7700

8 GB RAM

16 GB RAM

Endpoints

Supported

8000

16,000

16,000

32,000

32,000

Supported

NOT supported

NOT supported

NOT supported

These numbers are the sum of the total numbers of endpoints both inside and outside the fabric site when the site has a border node with a Layer 2 handoff.

A maximum of 6000 hosts can be connected outside the fabric for all platforms that support Layer 2 border handoff.

The border node with a Layer 2 handoff contains a combination of local and remote LISP entries.

Local entries = LISP database

Remote entries = LISP map-cache

Example:

The Cisco Catalyst 9300 Series supports 8000 total entries.

If the fabric site has 6000 endpoints (map-cache), then only 2000 endpoints (database) can be in the traditional network beyond the Layer 2 handoff.

Table 10.       Cisco SD-Access edge node scale

Cisco SD-Access edge node scale

Family

Cisco Catalyst

Device

3650

3850

9200-L

9200

9200 Enhanced VNs

9300/L

4500

9400

9500/H

Virtual networks

64

64

11

42

323

256

64

256

256

Endpoints

2000

4000

2000

4000

4000

6000

4000

6000

6000

IPv4: SGT bindings

12,000

12,000

8000

10,000

10,000

10,000

128,000

40,000

40,000

SGT/DGT policies

4000

4000

2000

2000

2000

8000

2000

8000

8000

SG-ACEs (contract actions)

1350

1350

1,000

1000

1000

5000

64,000

18,000

18,000

1 9200-L = One (1) user-defined VN (VRF)

2 9200 = Four (4) user-defined VNs (VRFs)

3 9200 “Enhanced VN” SKUs = Thirty-two (32) user-defined VNs (VRFs)

Additional notes:

INFRA_VN is not a VRF definition. It is associated with the global routing table.

DEFAULT_VN is not user-defined; it is automatically created in Cisco DNA Center. It is present for historical (backward-compatibility) reasons; its use is neither necessary nor recommended.

DEFAULT_VN, if used in host onboarding, is provisioned as a VRF definition and counts as a “user-defined VN.”

Table 11.       Cisco SD-Access WLC scale

Cisco SD-Access WLC scale

Device

Number of access points

Number of clients

Aironet 3504

150

3000

Aironet 5520

1500

20,000

Aironet 8540

6000

40,000

Catalyst 9800-L

250

5000

Catalyst 9800-40

2000

32,000

Catalyst 9800-80

6000

64,000

Catalyst 9800-CL (4 CPU/8 GB RAM)

1000

Источник: https://www.cisco.com/c/en/us/products/collateral/cloud-systems-management/dna-center/nb-06-dna-center-data-sheet-cte-en.html
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