What is the PE1 to P link? I would try very hard to not use the 5500 as a P router. Maybe MPLSoGRE would work? Or using the 5505 as a bridge? If they are both Ethernet, then just trunk things through.
Phil On Jan 18, 2008, at 12:46 PM, Brandon Price wrote: > Guys, I apologize if this is a lame-brain question but > I am new to MPLS... > > We have a pretty simple MPLS VPN setup comprised of the following 3 > routers: > > PE1 <------> P <-----> PE2 > > PE2 is a new router we are transitioning customers to. > PE1 is 7206VXR 12.4(17) > PE2 is CAT6513/SUP720-3B 12.2(18)SXF12 > the P router is a Cat5500 catos6.4(23a) / RSM ios12.2(46a) > > > the P to PE2 link is a 1GB link on a WS-X5410 blade. > According to cisco's Catalyst Jumbo Frame documentation this blade > does > not > support a larger mtu than 1500. > However if you enable dot1q trunking yet transmit on the native VLAN > the switch will accept an additional 4 bytes. > > My question is, since the P router will always be the penultimate hop > in this layout ? will having room for just 1 label be sufficient? > > Also the RSM in the cat5500 only supports TDP for label distribution ? > Any potential drawbacks to this? > > Thanks, > > Brandon Price > Sterling Communications Inc. > > /31 <--- The Subnet Formally Known as "Unusable" > _______________________________________________ > cisco-nsp mailing list cisco-nsp@puck.nether.net > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ _______________________________________________ cisco-nsp mailing list cisco-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/