Routing Notes 10 BGP

BGP DEFINITIONS

1. Reliable updateds require port 179 tcp based
2. Triggered updates only (5 Seconds internal and 30 seconds external)
3. Complicated metric for finding the best route
4. All neighbors are manually set up
5. Complex filters are typically used
6. The routing protocol of the internet
7. Management of trust and untrust
8. Routing through autonomous systems instead of routers
9. The slowest routing protocol
10. Primarily service provider, but also enterprise customer

BGP NEIGHBOR FORMS

Neighbors never discover each other, manual configuration is needed
Neighbor must be reachable on TCP179
Multiple Sessions to the same neighbor not permitter - DROP