Preview Tool

Cisco Bug: CSCup59979 - In 881 router sh auth session show ip address unknown though IPDT is on

Last Modified

Nov 30, 2019

Products (1)

  • Cisco IOS

Known Affected Releases


Description (partial)

When 881 router does 802.1x authentication it doesn't show the ip address. All it shows is unknown in the address. IPDT is showing that it is learning the ip address but somehow sh authentication doesn't show that ip.

            Interface:  FastEthernet0
          MAC Address:  108c.cfe1.d5d3
           IP Address:  Unknown
            User-Name:  10-8C-CF-E1-D5-D3
               Status:  Authz Success
               Domain:  VOICE
       Oper host mode:  multi-domain
     Oper control dir:  in
        Authorized By:  Authentication Server
           Vlan Group:  N/A
         AAA Policies:  
              ACS ACL:  xACSACLx-IP-PERMIT_ALL_TRAFFIC-51ef7db1
      Session timeout:  N/A
         Idle timeout:  N/A
    Common Session ID:  0A6E5B150000331F807E1294
      Acct Session ID:  0x00004436
               Handle:  0x43000323
Runnable methods list:
       Method   State
       dot1x    Failed over
       mab      Authc Success

Where as normal output when everything works should be :

LAB-SW#sh authen se int fa0/2
            Interface:  FastEthernet0/2
          MAC Address:  Unknown
           IP Address:
            User-Name:  UNRESPONSIVE
               Status:  Authz Success
               Domain:  DATA
      Security Policy:  Should Secure
      Security Status:  Unsecure
       Oper host mode:  multi-host
     Oper control dir:  both
        Authorized By:  Guest Vlan
          Vlan Policy:  15
      Session timeout:  N/A
         Idle timeout:  N/A
    Common Session ID:  0A6402C5000001240FCD749A
      Acct Session ID:  0x00000183
               Handle:  0x47000125

Runnable methods list:
       Method   State
       mab      Failed over
       dot1x    Failed over

None: We tried with nearly most of the codes and none show this
Bug details contain sensitive information and therefore require a account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.