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 )
Hello, Yu Ning Clear ip bgp is fine with me, I used it quite often. It works well on both global table or address family. The format I use is "clear ip bgp x.x.x.x vrf xxx", or clear the whole iBGP peer. rgds Yu Ning wrote: > > Hi nanog, > > I've solved the problem mentioned in my former letter. I'm too over-worked > and forget to add "next-hop-self" in the PE1 to PE2 MP-iBGP peer, so no > PE can reach PE1 in other AS, unless the directly connected one. But Cisco > MPLS VPN command seems not very friendly,:-) After add the "next-hop-self" > in the VPNV4 section, the MP-iBGP peer won't refresh itself, and I have > no command to clear the VPNV4 peer, then I have to delete the config > and paste it again to trigger the new update. I hope the "clear ip b n > vrf xxx.xxx " can be added into IOS soon,:-) > > regards, > > > -----Original Message----- > > From: [email protected] [mailto:[email protected]]On Behalf Of > > Yu Ning > > Sent: Tuesday, May 22, 2001 10:18 AM > > To: Nanog-Post > > Subject: RFC2547 VPN discussion group? (With an inter-AS VPN question ) > > > > > > 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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