SOO (Site Of Orgin) – BGP Extended Community Attribute is used to prevent the routing loop in a particular multi-homed MPLS L3 VPN network scenario. When CE routers are configure for receive the routes from same AS. For Example: In below topology, Two CE routers are connecting with a single ISP. CE1 is connecting with … Continue reading SOO (Site Of Orgin) – BGP Extended Community Attribute