PPT Slide
- Unlinks IBGP peering from physical topology.
- Carry loopback address in IGP
router ospf <ID>
network <loopback-address> 0.0.0.0
- Unlink peering from physical topology
router bgp <AS1>
neighbor <x.x.x.x> remote-as <AS1>
neighbor <x.x.x.x> update-source loopback0