ASR920 Double tag (QinQ)

[danhed7400]

Hi

im testing the QinQ feature between 2 ASR920 routers - i want traffic flow between 2 bridge domains and i want to use double tag for testing purpose.

is it possible on the ASR920 to use a S-TAG lets say vlan 100 and then have the inner C-tag untagged and then map that to a bridge domain 10 etc - below is the basic interface configuration but im not sure how to use the rewrite feature to POP the C-TAG

--- ASR-01 --

interface TenGigabitEthernet0/0/2
description ** ASR920-2 **
no ip address
service instance 10 ethernet
encapsulation dot1q 100 second-dot1q 10
bridge-domain 10
!

--- ASR-02 --

interface TenGigabitEthernet0/0/2
description ** ASR920-1 **
no ip address
service instance 10 ethernet
encapsulation dot1q 100 second-dot1q 10
bridge-domain 10
!

[Georg Pauwen]

Hello,

rewrite ingress tag translate 2-to-1 dot1q 10 symmetric

[danhed7400]

ok - so the config below would would leave traffic for BD10 untagged, with a vlan100 as the transport vlan (S-TAG)

interface TenGigabitEthernet0/0/2
description ** ASR920-1 **
no ip address
service instance 10 ethernet
encapsulation dot1q 100 second-dot1q 10
rewrite ingress tag translate 2-to-1 dot1q 10 symmetric
bridge-domain 10