BGP

BGP

BGP HEADER

- 19 Octetos
-  Marker : Sincronizacion y autenticacion
-  Type :  1.Open  2.Update  3.Notification  4.Keepalive

Open Message :  Usado para iniciar un "neighbor relationship"
                           Version : default 4
                            My AS  (2 octetos)
                           Hodl Time (default 180)

Route Advertisement and Withdrawal
-  Route = (destination, attributes of a path to the destination)
- Update = (NLRI, path + attributes)
- Methods of WITHDRAW ROUTES field in BGP update.
  send a replacement route, close the BGP connection.

Synchronization