Cisco Router Challenge 79
Outline
This challenge involves the configuration of BGP for advertising into
networks. The objectives of this challenge are to:
Commands
# config
t
(config)#
hostname leeds
leeds (config)# router bgp 172
leeds (config-router)# network
205.8.87.0 mask 255.255.255.48
leeds (config-router)# network
25.8.87.0 mask 255.255.255.0
leeds (config-router)# network 5.8.87.0 mask 255.255.0.0
Example
# config
t
(config)#
hostname leeds
leeds (config)# router bgp 172
leeds (config-router)# network
205.8.87.0 ?
backdoor Specify a BGP backdoor route
mask Network mask
route-map Route-map to modify the attributes
<cr>
leeds (config-router)# network
205.8.87.0 mask ?
A.B.C.D Network mask
leeds (config-router)# network
205.8.87.0 mask 255.255.255.48
leeds (config-router)# network
25.8.87.0 mask 255.255.255.0
leeds (config-router)# network
5.8.87.0 mask 255.255.0.0
Topology
The basic topology is defined below, where AS1 is connected to E0, AS2 to
S0, and AS3 to S1.