[c-nsp] ASR920 vlan pass through

[Greg Antic]

Yes we want to maintain layer 2 straight through basically like a catalyst switch would pass the layer 2 between ports. 

-----Original Message-----
From: John Gaffney [mailto:jgaffney at nan.com] 
Sent: 11 May 2016 05:11 PM
To: Greg Antic <greg.antic at stc.za.com>; cisco-nsp at puck.nether.net
Subject: RE: ASR920 vlan pass through

I am assuming that you want the traffic to stay layer 2? That is no routing of the VLAN?

Sounds to me like you need either layer2 MPLS (EoMPLS) or maybe just a dot1q tunnel port. Not sure about what would work better for a 920, but I would start looking at those two rather than do bridge domains.

Thanks,

john gaffney
north atlantic networks
www.nan.com




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-----Original Message-----
From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Greg Antic
Sent: Wednesday, May 11, 2016 11:02 AM
To: cisco-nsp at puck.nether.net
Subject: [c-nsp] ASR920 vlan pass through

Forgive the simplicity of this question but I haven't found any literature to convince me.

Is this the only or best way to "pass" vlans through the ASR920? We have a circuit coming in with multiple vlans in no order and want to send them out another interface without modification.

interface GigabitEthernet0/0/5
no ip address
negotiation auto
service instance 1 ethernet
  encapsulation dot1q 10,20,30,40
  bridge-domain 1

interface GigabitEthernet0/0/7
description Uplink to pod01-esw01
no ip address
negotiation auto
service instance 1 ethernet
  encapsulation dot1q 10,20,30,40
  bridge-domain 1

Thanks,

Greg

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