North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: RFC2547 VPN discussion group? (With an inter-AS VPN question )
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 > ____________________________________________
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