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ajay chauhan
Rising star

Missing Allowed vlans on trunk on Standby ACE.

Guys,

I would like to know if allowing vlans under portchannel will replicate on standby unit.Somehow I see all configuration is sync except  switchport trunk allowed vlan under Portchannel.             

Thanks

Ajay

8 REPLIES 8
sivaksiv
Cisco Employee

Hi Ajay,

Are you sure the running config is in sync? This should replicate and the config should be in sync.

-

Siva

Yes Siva running config is in sync.

However i found on switch where standby ace is connect port channel config has got 3 ports but 3rd physical port is not connected.

Even in that case why rest of config goes to standby unit except port channel allowed vlans.

I am going to remove that 3rd unused port from port channel to see if that solve my issue.

Thanks

Ajay

Hi Siva,

I remove 3rd port from port channel but still vlans are not getting sync.

ACE1/Admin# sh vlan

Vlans configured on physical port(s)

vlan3001  vlan3060  vlan3200-3201  vlan3208  vlan3260-3262  vlan3264-3265  vlan3270-3272  vlan3274-3275  vlan3280  vlan3300-3302  vlan3650-3652  vlan3661-3663  vlan3668-3669  vlan4090

ACE1/Admin#

ACE2/Admin# sh vlan

Vlans configured on physical port(s)

vlan3001  vlan3200-3201  vlan3208  vlan3260-3262  vlan3264-3265  vlan3270-3272  vlan3274-3275  vlan3300-3302  vlan3650-3652  vlan3661  vlan3668-3669  vlan4090

ACE2/Admin#

ACE1/Admin# sh ft group status

FT Group                     : 1
Configured Status            : in-service
Maintenance mode             : MAINT_MODE_OFF
My State                     : FSM_FT_STATE_ACTIVE
Peer State                   : FSM_FT_STATE_STANDBY_HOT
Peer Id                      : 1
No. of Contexts              : 1
Running cfg sync status      : Running configuration sync has completed
Startup cfg sync status      : Startup configuration sync has completed

ft peer 1

  heartbeat interval 300

  heartbeat count 10

  ft-interface vlan 4090

  query-interface vlan 3001

ft group 1

  peer 1

  no preempt

  priority 150

  associate-context Admin

  inservice

any suggestion/ next steps to troubleshoot ?

Thanks

Ajay

Hi Ajay,

Can you check if vlans are there in the config? and assigned to Po?

can you check output of show port-channel <> on both?

-

Siva

Yes port channel config on switches is fine .Vlans are there and allowed on Po.

interface Port-channel45

description ACE1

switchport

switchport trunk encapsulation dot1q

switchport trunk allowed vlan 3001,3060,3200,3201,3208,3260-3262,3264,3265

switchport trunk allowed vlan add 3270-3272,3274,3275,3280,3300-3302,3650-3652

switchport trunk allowed vlan add 3661-3663,3668,3669,4090

switchport mode trunk

end

interface Port-channel46

description ACE2

switchport

switchport trunk encapsulation dot1q

switchport trunk allowed vlan 3001,3060,3200,3201,3208,3260-3262,3264,3265

switchport trunk allowed vlan add 3270-3272,3274,3275,3280,3300-3302,3650-3652

switchport trunk allowed vlan add 3661-3663,3668,3669,4090

switchport mode trunk

Hi Ajay,

Are these vlans showing up on both the ACE?

Can you send(PM) me the configs of both ACE and switch?

Regards,

Siva

Shut/no shut to port channel resolve this issue.

Thats Great. Thanks for letting me know Ajay.