[c-nsp] Q-in-Q bridging

[victor]

On Mon, 06 Jul 2009 17:21:27 +0400, Nigel Roy <nigel at theroys.me.uk> wrote:
Tried but with no positive result:

bridge irb
bridge 1 route ip

And even:
no bridge 1 bridge ip

> I think you need two additional commands:
>
> bridge irb  	- 	to enable integrated routing and bridging
> bridge 1 route ip 	-  to enable routing of IP from routed network to  
> bridged.
>
> Regards Nigel
>
>
>> Hi
>> For the redundancy/failover sake I'm bridging 2 Q-in-Q interfaces.
>> Here is config:
>>
>> interface BVI1
>> ip address 10.67.201.100 255.255.255.0
>>
>> interface GigabitEthernet0/2.4012010
>> encapsulation dot1Q 401 second-dot1q 2010
>> no cdp enable
>> bridge-group 1
>>
>> interface GigabitEthernet0/3.4012010
>> encapsulation dot1Q 401 second-dot1q 2010
>> no cdp enable
>> bridge-group 1
>>
>> interface BVI1
>> ip address  255.255.255.0
>>
>> bridge 1 protocol ieees
>>
>> Network looks like this:
>>
>> Router==QinQ==(MAN Switches Ring)----LanSwitch---Host(10.67.201.5)
>>
>> Router physically connected to 2 core switches and terminates dot.Q
>> tunnels.
>> MAN switches carry vlan tunnels and the when the LAN enters into
>> the MAN Ring it is assigned outer tag 401.
>> The Host is inside LAN on VLAN 2010 and connected through access
>> port. The ip 10.67.201.100 is going to be default GW for the LAN
>> Host and must remain reachable even if one of the core switches
>> goes down. When I assign IP address to either G0/2.4012010 or
>> G0/3.4012010 sub interfaces I'm able to ping it from the Host. But
>> after bridging them I can't ping BVI1 from the Host. What am I
>> doing wrong? Is it supposed to work this way?
>>
>> Regards, Victor
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