[c-nsp] VRF with RBE

Chris Cappuccio chris at nmedia.net
Sun Jun 19 16:44:31 EDT 2005


Full on MPLS with RBE seems to work fine for me.  

You could always use IRB instead of RBE and make both interfaces part of
the same bridge group, if you wanted to bridge all layer 2 traffic within
one router.

Clayton Zekelman [clayton at MNSi.Net] wrote:
> 
> I have a configuration where I'm using VRF with RBE, and although it looks 
> like everything is going to work, I want to make sure I've got things covered.
> 
> ip vrf customer1
>   rd 1:1
>   route-target export 1:1
>   route-target import 1:1
> 
> interface ATM1/0.15 point-to-point
>   description Customer Site A
>   ip vrf forwarding customer1
>   ip address 192.168.1.254 255.255.255.0
>   atm route-bridged ip
>   pvc siteA 2/255
>    ubr 4032
>    encapsulation aal5snap
>   !
> !
> interface ATM1/0.16 point-to-point
>   description Customer Site B
>   ip vrf forwarding customer1
>   ip address 192.168.2.254 255.255.255.0
>   atm route-bridged ip
>   pvc siteB 2/256
>    ubr 4032
>    encapsulation aal5snap
>   !
> ip route vrf customer1 0.0.0.0 0.0.0.0 192.168.1.1
> !
> 
> I can't seem to find a way to look at the ARP entries for the VRF.  On RBE 
> without VRF I can do this, but when VRF is on, the ARP entries don't show 
> up.  I'm pretty sure you wouldn't want them to be in the main ARP table, 
> but is there a VRF aware arp table they do go into?
> 
> We haven't fully tested it yet, but it all *appears* to be working.  I'm 
> just trying to head of any potential 
> pitfalls.
> 
> 
> ---
> Clayton Zekelman
> Managed Network Systems Inc. (MNSi)
> 344-300 Tecumseh Rd. E.
> Windsor, Ontario
> N8X 5E8
> 
> tel. 519-985-8410
> fax. 519-258-3009 
> 
> 
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> 
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