AAA secondary ACS entry

Hello

I have 802.1 x and MAB configured. I added a second ACS server and added the definition of the switch.
My problem is that the ACS works well when it is set as primary option in the switch. But when it is configured as the backup and I force a failure on the primary, he does not try to use backup ACS th.

Can my configuration below, someone please give me some pointers?

Thank you

AAA radius rrrr server group
private server 10.4.25.117 auth-port 1645 acct-port 1646 borders 7 01100F175804575D72
private server 10.4.25.114 auth-port 1645 acct-port 1646 borders 7 01100F175804575D72
radius of the IP source-interface Vlan200
!
AAA new-model

AAA dot1x of default authentication group rrrr
AAA authorization exec default local authenticated by FIS
AAA authorization network default group rrrr
AAA accounting dot1x default start-stop rrrr group

interface FastEthernet0/1
switchport access vlan 200
switchport mode access
switchport voice vlan 2
authentication-sense in
authentication event failure action allow vlan 100
action of death event authentication server allow vlan 100
no response from the authentication event action allow vlan 100
multi-domain of host-mode authentication
authentication order dot1x mab
Auto control of the port of authentication
protect the violation of authentication
MAB
dot1x EAP authenticator
dot1x quiet-period of waiting 3
dot1x tx-period 4
spanning tree portfast

Hi Tiago,

The fix was set up the following:

restransmit RADIUS server 2

radius0server timeout 3

to allow the transition to the secondary ACS server before starting methods. He was trying to authenticate before it move on to the second ACS.

Thanks for your help.

Tags: Cisco Security

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