R1(ISP) Router>enable Router#conf t Router(config)#hostname ISP ISP(config)#interface Loopback0 ISP(config-if)#ip address 192.168.100.1 255.255.255.0 ISP(config-if)#exit ISP(config)#interface Serial1/0 ISP(config-if)#ip address 192.168.1.5 255.255.255.252 ISP(config-if)#no shutdown ISP(config-if)#exit ISP(config)#interface Serial1/1 ISP(config-if)#ip address 192.168.1.1 255.255.255.252 ISP(config-if)#no shutdown ISP(config-if)#exit ISP(config)#router bgp 200 ISP(config-router)#network 192.168.100.0 ISP(config-router)#neighbor 192.168.1.6 remote-as 64512 ISP(config-router)#neighbor 192.168.1.2 remote-as 64512 ISP(config-router)#exit ISP#sh ip bgp ISP#ping 172.16.1.1 source 192.168.100.1 SP#ping 172.16.1.2 source 192.168.100.1 ISP#sh ip bgp ISP#ping 172.16.1.1 ISP#ping 172.16.1.2 ISP#traceroute 172.16.1.1 * R2 (SanJose1) Router>enable Router#conf t Router(config)#hostname SanJose1 SanJose1(config)#interface Loopback0 SanJose1(config-if)#ip address 172.16.64.1 255.255.255.0 SanJose1(config-if)#ip address 172.16.64.1 255.255.255.0 SanJose1(config-if)#exit SanJose1(config)#interface Serial1/0 SanJose1(config-if)#ip address 192.168.1.6 255.255.255.252 SanJose1(config-if)#no shutdown SanJose1(config-if)#exit SanJose1(config)#interface Serial1/1 SanJose1(config-if)#ip address 172.16.1.1 255.255.255.0 SanJose1(config-if)#no shutdown SanJose1(config-if)#exit SanJose1(config)#router eigrp 64512 SanJose1(config-router)#network 172.16.0.0 SanJose1(config-router)#no auto-summary SanJose1(config-router)#exit SanJose1(config)#router bgp 64512 SanJose1(config-router)#neighbor 172.16.32.1 remote-as 64512 SanJose1(config-router)#neighbor 172.16.32.1 update-source loopback0 SanJose1(config-router)#exit SanJose1(config)#ip route 172.16.0.0 255.255.0.0 null 0 SanJose1(config)#router bgp 64512 SanJose1(config-router)#network 172.16.0.0 SanJose1(config-router)#neighbor 192.168.1.5 remote-as 200 S anJose1(config-router)#exit SanJose1(config)#router bgp 64512 SanJose1(config-router)#neig hbor 172.16.32.1 next-hop-self SanJose1(config-router)#exit SanJose1#sh ip bgp SanJose1(config)#route-map PRIMARY_T1_IN permit 10 SanJose1(config-route-map)#set local-preference 160 SanJose1(config-route-map)#exit SanJose1(config)#router bgp 64512 SanJose1(config-router)#neighbor 192.168.1.5 route-map PRIMARY_T1_IN in SanJose1(config-router)#exit SanJose1#clear ip bgp * soft SanJose1#sh ip bgp SanJose1(config)#route-map PRIMARY_T1_MED_OUT permit 10 SanJose1(config-route-map)#set Metric 50 SanJose1(config-route-map)#exit SanJose1(config)#router bgp 64512 SanJose1(config-router)#neighbor 192.168.1.5 route-map PRIMARY_T1_MED_OUT out SanJose1(config-router)#exit SanJose1(config)#exit SanJose1#clear ip bgp * soft SanJose1#sh ip bgp SanJose1#sh ip route SanJose1(config)#ip default-network 192.168.100.0 SanJose1(config)#end SanJose1#sh ip route SanJose1#ping 192.168.1.2 SanJose1#traceroute 192.168.1.2 SanJose1#ping 192.168.1.1 SanJose1#traceroute 192.168.1.1 Router>en Router#conf t Router(config)#hostname SanJose2 SanJose2(config)#interface Loopback0 SanJose2(config-if)#ip address 172.16.32.1 255.255.255.0 SanJose2(config-if)#exit SanJose2(config)#interface Serial1/1 SanJose2(config-if)#ip address 192.168.1.2 255.255.255.252 SanJose2(config-if)#no shutdown SanJose2(config-if)#exit SanJose2(config)#interface Serial1/0 SanJose2(config-if)#ip address 172.16.1.2 255.255.255.0 SanJose2(config-if)#no shutdown SanJose2(config-if)#exit SanJose2(config)#router eigrp 64512 SanJose2(config-router)#network 172.16.0.0 SanJose2(config-router)#no auto-summary SanJose2(config-router)#exit SanJose2(config)#router bgp 64512 SanJose2(config-router)#neighbor 172.16.64.1 remote-as 64512 SanJose2(config-router)#neighbor 172.16.64.1 update-source loopback0 SanJose2(config-router)#exit SanJose2(config)#ip route 172.16.0.0 255.255.0.0 null 0 SanJose2(config)#router bgp 64512 SanJose2(config-router)#network 172.16.0.0 SanJose2(config-router)#neighbor 192.168.1.1 remote-as 200 SanJose2(config-router)#exit SanJose2#sh ip bgp summary SanJose2#sh ip route SanJose2#sh ip bgp SanJose2(config)#router bgp 64512 SanJose2(config-router)#neighbor 172.16.64.1 next-hop-self SanJose2(config-router)#exi t SanJose2#sh ip bgp SanJose2(config)#route-map SECONDARY_T1_IN permit 10 SanJose2(config-route-map)#set local-preference 125 SanJose2(config-route-map)#exi t SanJose2(config)#router bgp 64512 SanJose2(config-router)#neighbor 192.168.1.1 route-map SECONDARY_T1_IN in SanJose2(config-router)#exit SanJose2#clear ip bgp * soft SanJose2#sh ip bgp SanJose2(config)#route-map SECONDARY_T1_MED_OUT permit 10 SanJose2(config-route-map)#set Metric 75 SanJose2(config-route-map)#exit SanJose2(config)#router bgp 64512 SanJose2(config-router)#$2.168.1.1 route-map SECONDARY_T1_MED_OUT out SanJose2(config-router)#end SanJose2#clear ip bgp * soft SanJose2#sh ip bgp