************************************************

pc: ip add 192.168.123.3 255.255.255.0 ip default-gateway 192.168.1.254

************************************************

r1:

track 1 interface e0/1 line-protocol int e0/0 ip add 192.168.123.1 255.255.255.0 no shu standy 1 ip 192.168.1.128 standy 1 track 50 standy 1 priority 120 standy 1 preempt no ip proxy-arp no ip redirects standy 2 ip 192.168.123.254 standy 2 priority 90

router rip

no au ve 2 net 192.168.123.0 net 192.168.12.0

***********************************************

r2:

track 1 interface e0/1 line-protocol int e0/0 ip add 192.168.123.2 255.255.255.0 no shu standy 2 ip 192.168.1.254 standy 2 track 50 standy 2 priority 150 standy 2 preempt no ip proxy-arp no ip redirects standy 1 ip 192.168.123.128 standy 1 priority 90

router rip

no au ver 2 net 192.168.123.0 net 192.168.34.0

***********************************************

r3:

int e0/1

ip add 192.168.12.2 255.255.255.0 no shu int e0/2 ip add 192.168.34.4 255.255.255.0 no shu int l0 ip add 4.4.4.4 255.255.255.0 no shu router rip no au ver 2 net 192.168.12.0 net 192.168.34.0 net 4.4.4.4

***********************************************

en conf t no ip domain-lookup lin con 0 no exec-t loggin sy exit