Rick,

Thanks for the explanation. The guide I was following was using S train,
while I was on the "normal" train, so that does make sense. Thanks,

On Mon, Jun 1, 2009 at 2:46 PM, Rick Mur <[email protected]> wrote:

> Since you are using a back-to-back configuration (RFC2547bis option A for
> the freaks ;-),  there is no need for exchanging labels with the other end.
> The 'mpls bgp forwarding' command is only available in 12.xS trains, so you
> would see it only on 7200 series. Then again, it will be automatically put
> on the interface if you put the 'send-label' on a BGP neighbor.
>
> So again, you don't need to exchange labels with this kind of back-to-back
> connectivity.
>
>
> Rick Mur
> CCIE2 #21946 (R&S / SP)
> [email protected]
>
>
>
>
>
> On 1 jun 2009, at 19:37, Bryan Bartik wrote:
>
> Hello,
>
> I am practicing some multi-vrf CE configurations and the guide I am using
> shows that you need "mpls bgp forwarding" command on the CE-PE
> sub-interfaces. I have got this to work without that command or BGP
> send-label on the PE. Are these commands not required? It is really just
> looking like a B2B VRF configuration. Without these commands, am I at risk
> of losing some functionality? I can't see any thing wrong, and I do have
> connectivity from CE to CE.
>
> Reference:
>
> http://www.cisco.com/en/US/docs/ios/12_2sb/12_2sba/feature/guide/vrflite.html
>
> My CE config merely looks like this (addresses have been changed from the
> document).
>
> ip vrf VPNA
>  rd 800:1
>  route-target export 800:1
>  route-target import 800:1
> !
> ip vrf VPNB
>  rd 800:2
>  route-target export 800:2
>  route-target import 800:2
> !
> interface Loopback100
>  ip vrf forwarding VPNA
>  ip address 100.1.1.1 255.255.255.255
> !
> interface Loopback200
>  ip vrf forwarding VPNB
>  ip address 200.1.1.1 255.255.255.255
> !
> interface FastEthernet0/0
>  no ip address
>  duplex auto
>  speed auto
> !
> interface FastEthernet0/0.100
>  encapsulation dot1Q 100
>  ip vrf forwarding VPNA
>  ip address 192.168.100.2 255.255.255.0
> !
> interface FastEthernet0/0.200
>  encapsulation dot1Q 200
>  ip vrf forwarding VPNB
>  ip address 192.168.200.2 255.255.255.0
> !
> router bgp 65000
>  bgp router-id 100.1.1.1
>  no bgp default ipv4-unicast
>  bgp log-neighbor-changes
>  !
>  address-family ipv4 vrf VPNB
>   neighbor 192.168.200.1 remote-as 100
>   neighbor 192.168.200.1 activate
>   no synchronization
>   network 200.1.1.1 mask 255.255.255.255
>  exit-address-family
>  !
>  address-family ipv4 vrf VPNA
>   neighbor 192.168.100.1 remote-as 100
>   neighbor 192.168.100.1 activate
>   no synchronization
>   network 100.1.1.1 mask 255.255.255.255
>  exit-address-family
> !
>
> Thank you,
>
> --
> Bryan Bartik
> CCIE #23707 (R&S), CCNP
> Sr. Support Engineer - IPexpert, Inc.
> URL: http://www.IPexpert.com
>
>
>


-- 
Bryan Bartik
CCIE #23707 (R&S), CCNP
Sr. Support Engineer - IPexpert, Inc.
URL: http://www.IPexpert.com

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