Sham-link is not a superbackbone. MP-BGP is a superbackbone. And yes, you can set-up sham-link between any two PEs, as long as they have the routes to each other.
-- Marko Milivojevic - CCIE #18427 (SP R&S) Senior CCIE Instructor - IPexpert On Fri, Nov 30, 2012 at 5:08 AM, Ryan Krcelic <[email protected]> wrote: > Is it possible to setup a sham-link on a single router between 2 different > VRFs? For example in WB3 Lab 10 you setup the OSPF super backbone between > R1-R9-R2. Once you adjust the ospf domain-id on R9 you get the routes from > R1 to show on R2 as IA and vice versa. Is it possible to setup a sham-link > on R9 between ospf process AS1 and ospf process AS2? > > Sample config > Router ospf 1 vrf AS1 > Redis bgp 69 subnets > Router ospf 2 vrf AS2 > Redis bgp 69 subnets > Router bgp 69 > Add ipv4 vrf AS1 > Redist ospf 1 match internal > Add ipv4 vrf AS2 > Redist ospf 2 match internal > > I tried creating 2 new loopbacks, redistributing them into BGP and > configuring the SHAM-Link under each OSPF process but the sham-link would > not come up. Is this normal behavior? Are you required to have 2 PE > routers to establish a Sham-link? > > V/r, > > Ryan Krcelic > > _______________________________________________ > For more information regarding industry leading CCIE Lab training, please > visit www.ipexpert.com > > Are you a CCNP or CCIE and looking for a job? Check out > www.PlatinumPlacement.com > > http://onlinestudylist.com/mailman/listinfo/ccie_rs _______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com Are you a CCNP or CCIE and looking for a job? Check out www.PlatinumPlacement.com http://onlinestudylist.com/mailman/listinfo/ccie_rs
