配置: R1: interface Loopback0 ip address 1.1.1.1 255.255.255.255 interface Ethernet0/0 ip address 192.168.12.1 255.255.255.0 ip route 0.0.0.0 0.0.0.0 192.168.12.2
R2: key chain cisco key 1 key-string cisco interface Loopback0 ip address 2.2.2.2 255.255.255.255 interface Ethernet0/0 ip address 192.168.12.2 255.255.255.0 ip summary-address eigrp 100 172.16.0.0 255.255.0.0 no sh interface Ethernet0/1 ip address 192.168.32.2 255.255.255.0 ip authentication mode eigrp 100 md5 ip authentication key-chain eigrp 100 cisco ip summary-address eigrp 100 0.0.0.0 0.0.0.0 interface Serial1/0 ip address 172.16.1.1 255.255.255.0 secondary ip address 172.16.2.1 255.255.255.0 secondary ip address 172.16.3.1 255.255.255.0 secondary ip address 192.168.23.2 255.255.255.0 no sh ip authentication mode eigrp 100 md5 ip authentication key-chain eigrp 100 cisco ip summary-address eigrp 100 172.16.0.0 255.255.0.0 router eigrp 100 variance 6 network 2.0.0.0 network 172.16.0.0 network 192.168.23.0 network 192.168.32.0 passive-interface Loopback0 ip route 0.0.0.0 0.0.0.0 192.168.12.1
R3: key chain cisco key 1 key-string cisco key 2 key-string huawei interface Loopback0 ip address 3.3.3.3 255.255.255.255 interface Ethernet0/0 ip address 192.168.32.3 255.255.255.0 ip authentication mode eigrp 100 md5 ip authentication key-chain eigrp 100 cisco no sh interface Ethernet0/2 ip address 192.168.34.3 255.255.255.0 ip authentication mode eigrp 100 md5 ip authentication key-chain eigrp 100 cisco no sh interface Serial1/0 ip address 192.168.23.3 255.255.255.0 ip authentication mode eigrp 100 md5 ip authentication key-chain eigrp 100 cisco serial restart-delay 0 no sh router eigrp 100 network 3.0.0.0 network 192.168.23.0 network 192.168.32.0 network 192.168.34.0 offset-list 1 in 30 passive-interface Loopback0 access-list 1 permit 4.4.4.4
R4: key chain huawei key 1 key-string cisco key 2 key-string huawei interface Loopback0 ip address 4.4.4.4 255.255.255.255 no sh interface Ethernet0/0 ip address 192.168.34.4 255.255.255.0 ip authentication mode eigrp 100 md5 ip authentication key-chain eigrp 100 huawei no sh