[c-nsp] Q-in-Q bridging

[Nigel Roy]

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