here's one way to do it.first, we need make a few assumptions:1. 3 links b/w Ps can be any BW, let make it simple, 3 GE links.2. PEs carry user routes ( either IPv4 or VPNv4 ) and talking BGP with other PEshere's solution:1. IGP need to work first.2....
I'm having same problem. after upgrading from 5.0.3.U2.2 to 5.0.3.U2.2c, previously working 1G port went down. My 1G port is GLC-LH, and running as L3 port.