R1#sho ip int bri
Interface
IP-Address OK? Method
Status Protocol
FastEthernet0/0
10.1.12.1 YES manual up up
Loopback0
1.1.1.1 YES manual up up
Loopback1
11.11.11.11 YES manual up up
R2#sho ip int bri
Interface
IP-Address OK? Method
Status Protocol
FastEthernet0/0
10.1.12.2 YES manual up up
FastEthernet1/0
10.1.23.2 YES manual up up
Loopback0
2.2.2.2 YES manual up up
R3#sho ip int bri
Interface
IP-Address OK? Method
Status Protocol
FastEthernet0/0
10.1.23.3 YES manual up up
Loopback0
3.3.3.3 YES manual up up
R1(config)#router eigrp 100
R1(config-router)#net 1.1.1.0 0.0.0.255
R1(config-router)#net 11.11.11.0 0.0.0.255
R1(config-router)#net 10.1.12.0 0.0.0.255
R1(config-router)#no au
R2(config)#router eigrp 100
R2(config-router)#net 2.2.2.0 0.0.0.255
R2(config-router)#net 10.1.12.0 0.0.0.255
R2(config-router)#no au
R2(config-router)#exit
R2(config)#router eigrp 200
R2(config-router)#net 10.1.23.0 0.0.0.255
R2(config-router)#no au
R3(config)#router eigrp 200
R3(config-router)#net 3.3.3.0 0.0.0.255
R3(config-router)#net 10.1.23.0 0.0.0.255
R3(config-router)#no au
R1(config)#key chain t3
R1(config-keychain)#key 1
R1(config-keychain-key)#key-string 3t
R1(config-keychain-key)#exit
R1(config-keychain)#exit
R1(config)#int fa0/0
R1(config-if)#ip authentication mode eigrp 100 md5
R1(config-if)#ip authentication key-chain eigrp 100 t3
R1(config-if)#
R1(config-if)#end
R2(config)#key chain t3
R2(config-keychain)#key 1
R2(config-keychain-key)#key-string 3t
R2(config-keychain-key)#end
R2#conf t
R2(config)#int fa0/0
R2(config-if)#ip authentication mode eigrp 100 md5
R2(config-if)#ip authentication key-chain eigrp 100 t3
R2(config-if)#
R2(config-if)#end
R2(config)#router eigrp 100
R2(config-router)#redistribute eigrp 200 route-map
to_eigrp100
R2(config-router)#exit
R2(config)#router eigrp 200
R2(config-router)#redistribute eigrp 100 route-map
to_eigrp200
R2(config-router)#distribute-list 1 out
R2(config-router)#
R2(config-router)#exit
R2(config)#no ip http server
R2(config)#no ip http secure-server
R2(config)#ip forward-protocol nd
R2(config)#route-map to_eigrp100 deny 10
R2(config-route-map)#match tag 100
R2(config-route-map)#exit
R2(config)#route-map to_eigrp100 permit 20
R2(config-route-map)#set tag 200
R2(config-route-map)#exit
R2(config)#route-map to_eigrp200 deny 10
R2(config-route-map)#match tag 200
R2(config-route-map)#exit
R2(config)#route-map to_eigrp200 permit 20
R2(config-route-map)#set tag 100
R3#ping 1.1.1.1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 1.1.1.1, timeout is 2
seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max =
44/80/96 ms
R3#ping 11.11.11.11
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 11.11.11.11, timeout is 2
seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max =
68/84/96 ms
R2(config)#access-list 1 deny 11.11.11.0 0.0.0.255
R2(config)#access-list 1 permit any
R3#ping 11.11.11.11
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 11.11.11.11, timeout is 2
seconds:
.....
Success rate is 0 percent (0/5)
R3#ping 1.1.1.1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 1.1.1.1, timeout is 2
seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max =
64/64/64 ms
R2#sho ip eigrp neighbors
IP-EIGRP neighbors for process 100
H Address Interface Hold Uptime SRTT
RTO Q Seq
(sec) (ms) Cnt Num
0 10.1.12.1 Fa0/0 12 00:17:01 330 1980 0 11
IP-EIGRP neighbors for process 200
H Address Interface Hold Uptime SRTT
RTO Q Seq
(sec) (ms) Cnt Num
0 10.1.23.3 Fa1/0 9 00:15:37 50
300 0 11
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