MP-BGP *is* the superbackbone. Which IGP is running in the core is irrelevant.
-- Marko Milivojevic - CCIE #18427 (SP R&S) Senior CCIE Instructor - IPexpert On Fri, Nov 30, 2012 at 5:31 PM, Samir Idris <[email protected]> wrote: > MP-BGP or OSPF in the core makes it a superbackbone? > > > On Saturday, December 1, 2012, Marko Milivojevic <[email protected]> > wrote: >> 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 >> > > -- > Samir Idris _______________________________________________ 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
