FW: [c-nsp] One BGP-L2VPN question

[Arnab Bakshi]

Hi,

  I tried by sending label in MP_REACH_NLRI in BGP but the problem
still exists and the mpls forwarding  table is still not updated with
the prefix.
 the following is the AFI/SAFI value is used :

  AFI = 1 (IPv4 Address)
  SAFI = 4 (Labelled Unicast).

The ip routing table is updated successfully. The labels sent are proper.
Is this the correct way or there should be more changes.

Thanks
Arnab


On 8/4/05, Gautam <gautam_attravanam at sifycorp.com> wrote:
> NO Normal BGP will do as you dont transport any extended communities (RTs
> etc). ensure that you use send-label in the BGP and ensure the neighbors are
> reachable through an IGP. This should work.
> 
> -----Original Message-----
> From: Arnab Bakshi [mailto:arnab.bakshi at gmail.com]
> Sent: Thursday, August 04, 2005 9:53 AM
> To: Gautam; cisco-nsp at puck.nether.net
> Subject: Re: FW: [c-nsp] One BGP-L2VPN question
> 
> 
> Hi,
> 
>    So BGP can be used as the routing protocol between PE-PE ?
> 
>   Shall I have to use MP-BGP in this case.
> 
>   One of my PE is Cisco 7206. When I am using core BGP the ip routing
> table is updated
> with the route but the mpls forwarding table is not updated and thus
> the PW is not coming
> up.
> 
>   Do I have to perform any configuration on the CISCO or shall I have
> to use MP-BGP?
> 
> Thanks
> Arnab
> 
> On 8/4/05, Gautam <gautam_attravanam at sifycorp.com> wrote:
> > Hi
> >
> > If you are talking of the protocol between PE-PE, you can use any protocol
> > as long as the PE label is reachable and the end-to-end LSP is up. There
> is
> > no question of PE-CE Routing protocol as the link is a L2 Link. CE-CE
> > routing protocol can be anything as the L2VPN is a pseudowire. ANy issues
> > Pls let me know
> >
> >
> >
> > -----Original Message-----
> > From: cisco-nsp-bounces at puck.nether.net
> > [mailto:cisco-nsp-bounces at puck.nether.net]On Behalf Of Bruce Pinsky
> > Sent: Thursday, August 04, 2005 12:28 AM
> > To: Arnab Bakshi
> > Cc: cisco-nsp at puck.nether.net
> > Subject: Re: [c-nsp] One BGP-L2VPN question
> >
> >
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA1
> >
> > Arnab Bakshi wrote:
> > | Hi,
> > |
> > |   I have a question regarding the routing protocol to be used in case of
> > L2VPN.
> > |
> > |   Can IP routes be advertised using BGP so that the LFIB is updated in
> > | the PE router and thus pseudowire can be established ? Currently I am
> > | using OSPF as the routing protocol, but I also want to use BGP as a
> > | routing protocol.
> > |
> > |   If BGP can be used then shall we have to use MP-BGP ? What shall be
> > | the AFI/SAFI values in this case?
> > |
> >
> > The routing protocol for what in the L2VPN?
> >
> > Where are you using OSPF now?  PE->PE routing, PE->CE routing, ????
> >
> > BGP is often used as the PE->CE routing protocol.  In that case, it is not
> > MP-BGP, but simply a regular eBGP session.
> >
> > - --
> > =========
> > bep
> >
> > -----BEGIN PGP SIGNATURE-----
> > Version: GnuPG v1.4.0 (MingW32)
> >
> > iD8DBQFC8RPSE1XcgMgrtyYRArE/AKDJBibUDpVUGxpLSphoJy6F5F48GwCg/lll
> > uPLSiMjuT/KjmTgJNFHmbmw=
> > =rS8D
> > -----END PGP SIGNATURE-----
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-- 
Arnab Bakshi
Software Engineer
Conformance-ANVL
CalaKol-IXIA.
(M) 09830660593
www.ixiacom.com