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C800 router with DOT1X interfaces

Donia
Level 1
Level 1

Hi all, 

 

i need any help on the below problem  as i have c800 router using it as a switch. All interfaces is configured with dot1x configuration with voice vlan as below 

 

switchport access vlan 800

switchport voice vlan 100
no ip address
authentication event server dead action reinitialize vlan 10
authentication event server dead action authorize voice
authentication host-mode multi-auth
authentication order dot1x mab
authentication priority dot1x mab
authentication port-control auto
authentication periodic
authentication timer reauthenticate server
mab
dot1x pae authenticator
dot1x timeout quiet-period 5
dot1x timeout server-timeout 5
dot1x timeout tx-period 3
dot1x timeout supp-timeout 8
dot1x max-req 1
spanning-tree portfast

 

 At the beginning we found only the phone is working but the laptop isn't working then i tried to remove the configuration and add them again i got a log on the router as below 

 

%DOT1X_SWITCH-5-ERR_VLAN_EQ_VVLAN: Data VLAN 100 on port GigabitEthernet7 cannot be equivalent to the Voice VLAN AuditSessionID 0AAA000A0000005B115E41C0

 

i am sure from the voice vlan number and data valn so don't know what this log means exactly. 

 

Also i tried to remove dot1x configuration and configure the interface with normal configuration of data and voice  as below 

 

switchport mode access 

switchport  voice vlan 100 

but the phone didn't work . I am sure that routing is working fine as i checked by trace and ping from this vlan till the authentication server and everything is ok 

 

does anyone can help me with solution for this problem?

4 Replies 4

Hello,

 

try and change the dot1x timeout period to 10:

 

--> dot1x timeout tx-period 10

I already tried to make that but it didn't solve the problem.

Hello,

 

I guess you have already looked at the thread linked below...?

 

https://community.cisco.com/t5/switching/dot1x-switch-messages-causing-high-response-times/td-p/3914319

i already saw this one but didn't help me as i changed timeout but problem still existing