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Josh Morris
Level 3
Level 3

I am trying to configure Trustsec for SGT propagation on a Catalyst 9300-48UXM on v16.12.3a. I will paste my config and output below. I can't get the PAC downloaded because it appears that the switch doesn't know about the ISE server. But I can't figure out what I'm doing wrong. This new switch is also a part of a new design which extends L3 to the access.

 

Output below: Server doesn't show up in 'show cts server-list', but does show up in 'show cts provisioning'

 

nzy1swidf01#show cts server-list
CTS Server Radius Load Balance = DISABLED
Server Group Deadtime = 20 secs (default)
Global Server Liveness Automated Test Deadtime = 20 secs
Global Server Liveness Automated Test Idle Time = 60 mins
Global Server Liveness Automated Test = ENABLED (default)

nzy1swidf01#show cts pro
nzy1swidf01#show cts provisioning
A-ID: Unknown
Server x.x.x.x, using shared secret
Req-ID 3a1b000d: callback func 0x7f5b61ea1a70, context 0x3f000005

nzy1swidf01#

 

!enable mode
cts credentials id <deviceid> password <password>
!
conf t
aaa group server radius ISE_RADIUS
 server name ISE_PSN_VS
 ip radius source-interface Loopback1
 !
 authentication logging verbose
 aaa authentication dot1x default group ISE_RADIUS
 aaa authorization network cts-list group ISE_RADIUS
 aaa accounting dot1x default start-stop group ISE_RADIUS
 cts authorization list cts-list
 radius-server vsa send authentication
 dot1x system-auth-control
!
radius server ISE_PSN_VS
 address ipv4 x.x.x.x auth-port 1812 acct-port 1813
 pac key <key>
Comments
Josh Morris
Level 3
Level 3

I figured it out. I had the ip radius source-interface command listed under the radius server group. This was necessary in order for the endpoints to successfully auth. But CTS was still trying to use a different interface, so I had to also specify the global ip radius source-interface command. 

Roberto.Carmona
Level 1
Level 1

Thanks @Josh Morris , Good to know as I'm about to start a PoC for trustsec and will use this same switch model.

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