topic Re: IP address unknown "show authentication session interface" in Network Security

IP address unknown "show authentication session interface"

network_guy — Fri, 21 Feb 2020 12:11:19 GMT

We are currently using 802.1x with EAP-TLS machine based authenctication and every cisco example has the IP address when you do a show authentication session interface command. Our's shows up as Unknown for the IP address. We authenticate through ACS 4.0 and I can't find anything from cisco on how to have the switch retrieve the IP. Is this a configuration issue or is there a feature we are not using?

Re: IP address unknown "show authentication session interface"

Bastien Migette — Thu, 23 Dec 2010 13:59:05 GMT

Hi,

try to run command switch(config)#ip device-tracking

I assume user is authenticated ?

hope this help

Re: IP address unknown "show authentication session interface"

network_guy — Sun, 26 Dec 2010 21:53:07 GMT

That worked like a charm. Thanks a lot.

Re: IP address unknown "show authentication session interface"

Bastien Migette — Mon, 27 Dec 2010 12:13:11 GMT

You're welcome

Re: IP address unknown "show authentication session interface"

Dos — Wed, 03 Jan 2018 06:29:02 GMT

Hello !

in my situation problem not solved:

WA_35#show authentication sessions interface fa0/16
Interface: FastEthernet0/16
MAC Address: b897.5a73.4edf
IP Address: Unknown
User-Name: GLOBAL\b.terlikbaev
Status: Authz Success
Domain: DATA
Oper host mode: multi-host
Oper control dir: both
Authorized By: Authentication Server
Vlan Policy: N/A
Session timeout: N/A
Idle timeout: N/A
Common Session ID: 0A0A94870000F91C4E31B866
Acct Session ID: 0x000091A6
Handle: 0xAD000876

Runnable methods list:
Method State
dot1x Authc Success
mab Not run

SWA_35#show running-config | in ip dev
ip device tracking probe delay 1
ip device tracking

please help !

Re: IP address unknown "show authentication session interface"

rcampo — Fri, 23 Mar 2018 22:41:58 GMT

WS-C3650-48PS running IOS version 16.6.3- showing same problem. No IP address learned. Is this only learned through Device Sensor?