PE1 to P is 100mb link which supports Jumbo frames no problem. The 5500 also acts as a PE for a few of our COLO customers so It needs to Be running MPLS while I transition the WAN links from PE1 to PE2
Hope that makes sense.. Brandon Price Sterling Communications Inc. /31 <--- The Subnet Formally Known as "Unusable" -----Original Message----- From: Phil Bedard [mailto:[EMAIL PROTECTED] Sent: Friday, January 18, 2008 10:57 AM To: Brandon Price Cc: [email protected] Subject: Re: [c-nsp] MPLS on CAT5500 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 [email protected] > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
