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.