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Adaptive Policy MS Configuration Guide


This document explains the configuration options for assigning Adaptive Policy (SGT) groups to client devices.

For details on how to configure Adaptive Policy in your Dashboard Organization, refer to the Adaptive Policy Configuration Guide. To understand how Adaptive Policy works in a Meraki Dashboard Organization, please refer to the [link to overview doc here] document.

Adaptive Policy SGT propagation configuration

Adaptive policy relies on SGTs being transmitted between network devices that support inline SGT. To configure SGT propagation from switch to supported switch and switch to supported APs, please configure the port as the following:




Without this configured on Peer to Peer links, the SGT value will not be propagated on packets. This configuration is ONLY for inline SGT capable devices and will not work with MS switches previous to the MS390 or MR Access Points running firmware below MR 27.X. If configured for unsupported devices the device behind the switchport will be unable to communicate until the port is set back to Peer SGT capable - disabled. 

Static assignment of Adaptive Policy Group by switch-port

An Adaptive Policy Group can be configured on a switch-port to have it statically associated to the client directly connected on that port. To configure an Adaptive Policy Group on a switch-port,

  1. Navigate to Switch > Configure > Switch Ports.
  2. Select the port(s) you would like to apply the access policy to and press the Edit button.
  3. From the Adaptive policy group drop-down box, select the group to be assigned to the switch-port press the Update ports button.




RADIUS-based assignment of Adaptive Policy Group

Adaptive Policy Groups or SGT can also be associated with client devices dynamically, using the cisco-av-pair:cts:security-group-tag during the RADIUS authentication process. Enabling your devices for SGT assignments via RADIUS requires the RADIUS server send the above AV-pair on every successful authentication. The interface must NOT have a static SGT mapped to it or the 802.1X policy will not be deployed. 


Configure Access Policy on switchports


  1. On the Dashboard navigate to Switch > Configure > Access Policies.
  2. Select the access policy you want to modify or, to add a new policy, click on the link Add Access Policy in the main window, then select my RADIUS server from the drop-down menu for Authentication method.
  3. Select the other options, as required. For details on configuring other options of the access policy refer to Creating an Access Policy on Dashboard
  4. Click Save changes
  5. Navigate to Switch > Configure > Switch Ports.
  6. Select the port(s) you would like to apply the access policy to and press the Edit button.
  7. Convert the port type from trunk to access.  Note: you can only apply an Access Policy to an access port.
  8. From the Access Policy drop-down box, select the Access Policy you created and press the Update ports button.

For more details on client authentication on MS switches, refer to MS Switch Access Policies.

Please note that you cannot have static group assignment AND an 802.1x access policy configured on a switchport. If 802.1x is used on the interface, you must configure the interface group tag to "Unspecified" for the configuration to work properly. In this case all Access-Accept messages for clients will require an SGT using the below av-pair.

Configure RADIUS server for SGT assignment


To assign an SGT value to a client, the RADIUS server would have to include the cts:security-group-tag attribute value pair in the RADIUS Access-Accept message. The syntax for this attribute is as follows.

cisco-av-pair:cts:security-group-tag={SGT value in HEX}-{revision number}​

For example, the following statement would send back an SGT value of 4000 (0x0fa0 in hexadecimal).

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