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

TROUBLESHOOTING FAME-MODE MPLS

MPLS L2VPN

MPLS L2VPN Overview

MPLS ARQUITECTURA

MPLS

Arquitectura :

Control Panel:
     routing protocol databases  -- Routing updtaes from other routers
     IP routing table (RIB)
     Label Information Base (LIB)  --  Label bindings learned via LDP from other routers.

Data Planel:
     IP forwarding table (FIB)
     Label forwarding table (LFIB)