R1#sh run | b router
router eigrp 100
 redistribute rip metric 128 20000 255 1 1500
 network 180.40.7.66 0.0.0.0
 network 208.28.1.66 0.0.0.0
 neighbor 180.40.7.65 Serial0/0.2
 auto-summary
!
router rip
 version 2
 redistribute eigrp 100 metric 3
 passive-interface Ethernet0/0
 network 208.28.1.0
 no auto-summary
!


R2#sh run | b router
router eigrp 100
 redistribute rip metric 128 20000 255 1 1500
 network 180.40.7.65 0.0.0.0
 network 208.28.1.129 0.0.0.0
 neighbor 180.40.7.66 Serial1/0.2
 auto-summary
!
router rip
 version 2
 redistribute eigrp 100 metric 3
 passive-interface FastEthernet0/1
 passive-interface Serial1/0.2
 network 180.40.0.0
 network 208.28.1.0
 neighbor 208.28.1.2
 no auto-summary
!


R3#sh run | b router
router rip
 version 2
 network 180.40.0.0
 network 208.28.1.0
 neighbor 208.28.1.3
 neighbor 208.28.1.1
 no auto-summary
!