I dont have IOS that support the ipv4 mdt under BGP configuration... so i guess that is the main limitation...
regards Devang Patel On Tue, Aug 19, 2008 at 4:20 PM, Hisham El-Ezaby <[EMAIL PROTECTED]> wrote: > Hello Devang , > > I have the following concerns: > > 1- Do you have normal IPV4 connectivity between R5 loopback and R1 two > loopbacks (you can try extended pings changing source ip addresses). > If this is not really working then you have an issue with your inter AS VPN > which should be fixed first. > > 2- Make sure R1 and R5 BGP loopbacks have PIM enabled under them. > > 3- Make sure R1 and R5 appear cached (s,g) in the relative MSDP cache table > of R3 and R4. > > 4- Make sure global multicast tables appear fine on each PE (R1 and > R5).They should both have a proper (S,G) entry to the other AS PE. > > 5- Do you have any TE config in operation ? TE might break down multicast > RPF checks. > > 6- R1 and R5 should see each other as PIM neighbors under the MVRF for all > other stuff to be working properly.If this is not fixed then it will not > work. > > 7- If all the above checks are fine and you feel confident about your > config then i suggest running the ping and doing some debug ip mpacket all > the way along the path. Don't forget to disable mroute caching on all > transit interfaces. > > 8- Sometimes you should do an extended ping and choose the Tunnel interface > as a source and the ip address as the VRF interface IP. It usually works > this way. > > HTH. > > ================= > Hisham El-Ezaby > Networking Engineer > CCIE# 21190 (SP) > ================= > > ----- Original Message ---- > From: devang patel <[EMAIL PROTECTED]> > To: [email protected] > Sent: Monday, August 18, 2008 5:18:24 PM > Subject: [OSL | CCIE_SP] Fwd: InterAS MVPN option B and C > > > > ---------- Forwarded message ---------- > From: devang patel <[EMAIL PROTECTED]> > Date: Sun, Aug 17, 2008 at 7:28 PM > Subject: Re: [OSL | CCIE_SP] InterAS MVPN option B and C > To: dara tomar <[EMAIL PROTECTED]> > > > Dara, > > I have very simple topology and have 5 routers connected in one chain... > > R1-R2-R3-R4-R5 > > R1/R2/R3 is in one AS and R4/R5 in other AS... and running option B... > I have configured MSDP also and R3 and R4 are peering with each oter for > MSDP... no wehn I configured the MDT on R1 and R5, I can see the tunnel is > up/up but R1 and R5 didn't see each other as a neighbor for PIM... so what > will be the issue there i dont understand? as well as I have configured one > extra loopback on R1 and R5 and those loopback in one VRF with same RT/RD > value... and R1's loopback is RP for that VRF and it is configured as a > static RP for that VRF on both R1 and R5... then I configured other loopback > on R1 and again that loopback is in the same VRF.... now I configured > join-group on new Loopback on R1 and tried to ping that loopback (Multicast > Address) from R5, I cant able to make it... as well as under sh ip rfp VRF I > can see the RPF failed on all VRF routes learned in each other VRF... why is > it so that is what i am searching for... > > all routers are runing PIM-SM between each other... R3 is SP RP for its own > AS and R4 is SP RP for its own AS... > again this is I am trying to test in DYNAMIPS (Cisco 7200 with 12.3 IOS)... > > please help to resolve this issue... > > > regards > Devang Patel > > > On 8/17/08, dara tomar <[EMAIL PROTECTED]> wrote: >> >> Devang, >> >> Can you be specific about the problem, that you are facing while making >> the Inter-AS scenario's working?? >> >> They are very much straight, when you know how they work and what's >> required to make them work. >> >> Thanks, >> Dara >> >> >> >> On Sun, Aug 17, 2008 at 7:39 PM, devang patel <[EMAIL PROTECTED]> wrote: >> >>> Hello Everyone, >>> >>> >>> Can any one provide me working configuration example of InterAS MVPN >>> option B and C? I have been trying to configure it but i dont know I was not >>> able to make it. >>> >>> regards >>> Devang >>> >>> >> >> > > >
