[c-nsp] ASR 1K : EFP / XCONNECT / BDI

Nicolas KARP liste at karp.fr
Tue Dec 2 12:03:25 EST 2014


Hi,

I need to interconnect 2 platforms on 2 different datacenters.

The idea is to create several EFPs on each PE (one at each side) and create
a default xconnect pw in order to encapsulate the layer2 traffic over our
MPLS network. I also have some layer 3 interfaces for different vlans which
need to be used on both datacenters :


*PE1 : (same config on PE2, except for the BDI interface)*


*interface GigabitEthernet0/0/4*
* no ip address*
* load-interval 30*
* negotiation auto*

*## default XCONNECT to DC2*
* service instance 1 ethernet*
*  encapsulation default*
*  xconnect 1.1.1.1 9999 encapsulation mpls pw-class EOMPLS-ETH-TO-VLAN*
* !*

*## Layer 3 interface via BDI*
* service instance 4093 ethernet*
*  encapsulation dot1q 4093 exact*
*  rewrite ingress tag pop 1 symmetric*
*  bridge-domain 4093*
* !*

*interface BDI4093*
* ip vrf forwarding TEST2*
* ip address 172.31.0.253 255.255.255.0*
* standby 1 ip 172.31.0.254*
* standby 1 priority 110*
* standby 1 preempt delay minimum 60*
*end*

*--> I'm missing a xconnect for the vlan 4093...*


How can I create a layer3 interface and run a xconnect on the same EFP ?
The idea would be to use the same vlans at both locations and terminate the
Layer3 on a BDI interface in Datacenter1.

Do you think it's possible ?
I'm not too sure if i'm really clear. Don't hesitate to ask me if you have
any questions :)

Many Thanks for your help !

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# - -   Nicolas KARP
# - -   Network and Security Engineer
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