[c-nsp] IP Q-in-Q Termination

[Joseph W. Breu]

We ran into the same problem when trying to terminate QinQ connections 
from a Motorrola FTTP system.  We ended up using PPPoE on the interface to 
handle IPoQinQ


On Mon, 20 Aug 2007, J Springer wrote:

> We are testing Q-in-Q termination with a 3660 router running 12.4(13c).
>
> Config snippet:
>
> interface FastEthernet0/1.14
>  encapsulation dot1Q 14 second-dot1q 33,66,99
>  ip address 192.168.1.1 255.255.255.0
>
>
> Monitoring traffic in both directions indicates that the inner and outer Vlan
> tags are transitting to the router but the router only sends back traffic on the
> first configured inner Vlan tag.
>
> We would like to do (this doesn't work either):
>
> interface FastEthernet0/1.14
>  encapsulation dot1Q 14 second-dot1q 1-4094
>  ip address 192.168.1.1 255.255.255.0
>
> And I'd ultimately like to put this in a 7500.
>
> Does this IOS support multiple inner Vlan tags?   And, is this configurable on
> 3660 and 7500s?
>
>
>

-- 

Thanks,

---------------------------------------------------------
Joseph W. Breu, CCNA              phone : +1.319.268.5228
Senior Network Administrator        fax : +1.319.266.8158
Cedar Falls Utilities              cell : +1.319.493.1686
support: +1.319.268.5221         url : http://www.cfu.net