ACS redundancy configuration

Hi all

I need to set up a new CAs as ACS secondary

(1) that we have therefore need to configure the new ip address of the ACS server on all switches?

(2) if the primary acs is disconnected so how high will work as primary?

Thank you & best regards

Hi Adam,.

(1) Yes, you must configure the IP address of all RADIUS servers on your switches so that they can be authenticated by the servers of Ganymede according to group aaa of the device to the network. The two ACS servers in a cluster do not share a virtual IP address.

(2) if the primary ACS is disconnected then it will not work as a primary school. What concerns the rest of the ACS primary school which sank. You will not be able to make most of the changes without return to the deployment options and return to Local Mode or promote on primary.

Local mode means that your data will be removed an existing cluster. Switch to the main ways that the primary and secondary servers reverse roles. What you would do in general during a break is to work in Local Mode and when the primary is restored, it could save the secondary back to the primary to be synchronized with the primary.

If you want to save changes to the secondary image (Server B) that have been performed then the primaries have declined (Server A), you must turn primary with Promote to primary B, add as secondary and after the sync switch roles between them by promoting A main.

Tags: Cisco Security

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