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Re: RFC2547 VPN discussion group? (With an inter-AS VPN question )

  • From: Susan Harris
  • Date: Tue May 22 10:13:42 2001

Why did you send this to us?

On Tue, 22 May 2001, Robert Raszuk wrote:

> 
> 
> Hi Yu,
> 
> Quite a few mpls operational quiestions is being discussed on mpls-ops
> alias. 
> 
> For cisco specific I have created closed alias [email protected]
> Please use the last one for escalation issues with mpls. Reg your issue
> without further troubleshooting I am unable to help you so pls open a
> TAC case. 
> 
> R.
> 
> > Yu Ning wrote:
> > 
> > Hi All,
> > 
> > Does anyone know RFC2547 VPN discussion group ? I can only find generic MPLS
> > discussion from IETF. Better cisco oriented, because we use Cisco RFC2547
> > solution.
> > 
> > Here is one of the problem we encountered now. Can anyone help ?
> > 
> > We have 3 PEs connected with 3 CEs. PE1, PE2 are in the same AS4134, while
> > PE3 in AS41340.  It's not so luck that PE1 and PE3 is not back-to-back
> > connected, but can be reached via a tag-switching enabled intermediate
> > network. PE1-PE2 has MP-iBGP peer, while PE1-PE3 has MP-eBGP peer.
> > 
> > Then we verify the traffic, and see that CE3, CE1 can ping each other,
> > while CE3 can't ping CE2 ? But all three CEs can see prefix from other
> > CEs.
> > 
> >    AS4134                                      AS41340
> > 
> > |----|       |---|                    |---|
> > |CE1 |-------|PE1|--(Tag switching )--|PE3|
> > |----|       |---|    enabled inter-  |---|
> >                |      mediate network   |
> >                |                        |
> >                |                      |---|
> >                |                      |CE3|
> > |----|       |---|                    |---|
> > |CE2 |-------|PE2|
> > |----|       |---|
> > 
> > BTW, We run PE on IOS Version 12.1(5)T6
> > 
> > regards,
> > 
> > Yu Ning
> > ____________________________________________
> > 
> > (Mr.) Yu Ning, Chief Engineer
> > ChinaNET(AS4134) Sr. Sup.& New Sev. R&D
> > Internet Product Dep. DCB, China Telecom
> > Beijing, P.R.China +86-10-62072357/62072354
> > ____________________________________________
> 
>