R1#sh run int loopback 0
!
interface Loopback0
 ip address 223.1.1.1 255.255.255.0
!
interface Tunnel0
 ip address 17.17.17.1 255.255.255.0
 keepalive 10 3
 tunnel source Loopback0
 tunnel destination 222.1.1.3
!
router rip
 version 2
 redistribute eigrp 100 metric 4
 passive-interface Ethernet0/0
 offset-list 1 out 3
 network 208.28.1.0
 network 223.1.1.0
 maximum-paths 3
 no auto-summary
!


R3#sh run int lo 0
!
interface Loopback0
 ip address 222.1.1.3 255.255.255.0
!
interface Tunnel0
 ip address 17.17.17.3 255.255.255.0
 keepalive 10 3
 tunnel source Loopback0
 tunnel destination 223.1.1.1
!router rip
 version 2
 no validate-update-source
 timers basic 30 180 0 240
 network 180.40.0.0
 network 208.28.1.0
 network 222.1.1.0
 neighbor 208.28.1.1
 neighbor 208.28.1.3
 maximum-paths 3
 no auto-summary
!