[c-nsp] ME3600 Configuration advice

Fri May 3 06:29:56 EDT 2013

Leigh,
You need to add pop 2 symmetric.

Example:

interface GigabitEthernet0/1

 switchport trunk allowed vlan none

 switchport mode trunk

 service instance 20 ethernet

  encapsulation dot1q 10 second-dot1q 20

  rewrite ingress tag pop 2 symmetric

  bridge-domain 20

 !

interface Vlan20

Ip address 10.0.20.2 255.255.255.0

Best Regards,

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Service Provider Access Group
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From: Leigh Harrison <lharrison at convergencegroup.co.uk<mailto:lharrison at convergencegroup.co.uk>>
Date: Thursday, March 1, 2012 7:00 AM
To: "cisco-nsp at puck.nether.net<mailto:cisco-nsp at puck.nether.net>" <cisco-nsp at puck.nether.net<mailto:cisco-nsp at puck.nether.net>>
Subject: [c-nsp] ME3600 Configuration advice

Hello team,

We’re looking to run QinQ down a telco provided circuit that’s presented to us as a vlan in our Core network.  The CPE will be a Cisco 2900 router (schematic below)

[cid:image004.png at 01CCF22B.0E195B00]

As we don’t have any spare ME3600X’s to test on, would someone be able to sanity check that the following configuration is viable?  I went through the config guides for the ME3600X.

2911:
Int gig 0/0
No ip address

Int gig 0/0.20
Encapsulation dot1q 10 second 20
Ip address 10.0.20.1 255.255.255.0

Int gig 0/0.30
Encapsulation dot1q 10 second 30

ME3600X:
Int g0/1

Service instance 20
Encapsulation dot1q 10 second 20
Bridge-group 20

Service instance 30
Encapsulation dot1q 10 second 30
Bridge-group 30

Int vlan 20
Ip address 10.0.20.2 255.255.255.0

Int vlan 30
Ip address 10.0.30.2 255.255.255.0

If someone would be able to let me know that we’re looking good – that would be much appreciated.

Many thanks in advance,

Leigh

Leigh Harrison, CCIE#15331

Head of Design & Infrastructure

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