Configure router A. create vlan "v3" create vlan "v1" create vlan "v2" configure vlan v3 add ports 1 configure vlan v1 add ports 23 configure vlan v2 add ports 16 configure v1 ipaddress 10.1.1.1/24 configure v2 ipaddress 10.1.2.1/24 configure v3 ipaddress 10.1.4.1/24 enable ipforwarding configure bgp AS-number 100 configure bgp routerid 1.1.1.1 create bgp neighbor 10.1.1.2 remote-AS-number 64500 create bgp neighbor 10.1.2.2 remote-AS-number 64505 create bgp neighbor 10.1.4.2 remote-AS-number 64510 enable bgp neighbor all enable bgp enable bgp aggregation configure bgp add aggregate-address 172.16.0.0/16 as-set summary-only
Configure router B. create vlan "v1" create vlan "net" configure vlan v1 add ports 5:33 configure vlan net add ports 5:20 configure v1 ipaddress 10.1.1.2/24 configure net ipaddress 172.16.1.1/24 enable ipforwarding configure bgp AS-number 64500 configure bgp routerid 1.1.1.2 configure bgp add network address-family 172.16.1.0/24 create bgp neighbor 10.1.1.1 remote-AS-number 100 enable bgp neighbor 10.1.1.1 enable bgp
Configure router C. create vlan "v1" create vlan "net" configure vlan net add ports 2:15 configure vlan v1 add ports 2:16 configure v1 ipaddress 10.1.2.2/24 configure net ipaddress 172.16.2.1/24 enable ipforwarding configure bgp AS-number 64505 configure bgp routerid 2.1.1.2 configure bgp add network 172.16.2.0/24 create bgp neighbor 10.1.2.1 remote-AS-number 100 enable bgp neighbor 10.1.2.1 enable bgp
Configure router D. create vlan "v1" configure vlan v1 add ports 24 configure v1 ipaddress 10.1.4.2/24 enable ipforwarding configure bgp AS-number 64510 configure bgp routerid 5.1.1.2 create bgp neighbor 10.1.4.1 remote-AS-number 100 enable bgp neighbor 10.1.4.1 enable bgp
* Switch.22 # show bgp routes all Routes: Destination Peer Next-Hop LPref Weight MED AS-Path ---------------------------------------------------------------------------------------- *>i 172.16.0.0/16 10.1.4.1 10.1.4.1 100 1 0 100 300 Flags: (*) Preferred BGP route, (>) Active, (d) Suppressed, (h) History (s) Stale, (m) Multipath, (u) Unfeasible Origin: (?) Incomplete, (e) EGP, (i) IGP BGP Route Statistics Total Rxed Routes : 1 Feasible Routes : 1 Active Routes : 1 Rejected Routes : 0 Unfeasible Routes : 0 Route Statistics on Session Type Routes from Int Peer: 0 Routes from Ext Peer: 1