System information

Configuring BGP
12-7
Figure 12-2 Configuring BGP Neighbors
Advertising Networks in an AS
1. To inform BGP peers in other ASs about the networks, advertise them using the
network command in Router BGP Configuration mode, as shown below. The
network command specifies the networks that an AS originates.
MOT(config-bgp)#network <network-number> [mask <network-mask>]
where:
network-number is the network that BGP advertises.
mask is the keyword for specifying network or subnetwork mask.
network-mask is the network mask.
AS 100 AS 300
Boston
bgp0004
NY
192.50.30.1
192.50.30.2
172.30.20.2
120.20.0.0
172.30.20.1
172.40.20.2
172.40.20.1
Chicago
Miami