1按照拓扑分配IP地址。带宽64k，2eigp AS=1，3关闭自动汇总4在r4的lookback口上手工汇总 5设置r1 -r2 hello时间 6设置 r2--r3 send 7md5加密 key=cisco 8用tclsh测试路由之间连通性
R1#show run
Building configuration...
Current configuration : 1300 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R1
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
!
!
ip cef
no ip domain lookup
!
!
!
!
!
!
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!
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interface Loopback0
ip address 172.16.1.1 255.255.255.0
!
interface FastEthernet0/0
no ip address
shutdown
duplex half
!
interface Serial1/0
bandwidth 64
ip address 172.16.12.1 255.255.255.0
ip hello-interval eigrp 1 2
serial restart-delay 0
!
interface Serial1/1
no ip address
shutdown
serial restart-delay 0
!
interface Serial1/2
no ip address
shutdown
serial restart-delay 0
!
interface Serial1/3
no ip address
shutdown
serial restart-delay 0
!
interface Serial1/4
no ip address
shutdown
serial restart-delay 0
!
interface Serial1/5
no ip address
shutdown
serial restart-delay 0
!
interface Serial1/6
no ip address
shutdown
serial restart-delay 0
!
interface Serial1/7
no ip address
shutdown
serial restart-delay 0
!
router eigrp 1
network 172.16.12.0 0.0.0.255
no auto-summary
!
!
no ip http server
no ip http secure-server
!
!
!
!
!
!
control-plane
!
!
!
!
!
!
gatekeeper
shutdown
!
!
line con 0
exec-timeout 0 0
logging synchronous
stopbits 1
line aux 0
stopbits 1
line vty 0 4
!
!
end
hostname r2
R2#show run
Building configuration...
Current configuration : 1411 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R2
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
!
!
ip cef
no ip domain lookup
!
!
!
!
!
!
!
!
!
!
!
!
!
!
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interface Loopback0
ip address 172.16.2.1 255.255.255.0
!
interface FastEthernet0/0
no ip address
shutdown
duplex half
!
interface Serial1/0
bandwidth 64
ip address 172.16.12.2 255.255.255.0
ip hello-interval eigrp 1 2
serial restart-delay 0
!
interface Serial1/1
bandwidth 64
ip address 172.16.23.2 255.255.255.0
ip hello-interval eigrp 1 2
ip hold-time eigrp 1 3
serial restart-delay 0
!
interface Serial1/2
no ip address
shutdown
serial restart-delay 0
!
interface Serial1/3
no ip address
shutdown
serial restart-delay 0
!
interface Serial1/4
no ip address
shutdown
serial restart-delay 0
!
interface Serial1/5
no ip address
shutdown
serial restart-delay 0
!
interface Serial1/6
no ip address
shutdown
serial restart-delay 0
!
interface Serial1/7
no ip address
shutdown
serial restart-delay 0
!
router eigrp 1
network 172.16.12.0 0.0.0.255
network 172.16.23.0 0.0.0.255
no auto-summary
!
!
no ip http server
no ip http secure-server
!
!
!
!
!
!
control-plane
!
!
!
!
!
!
gatekeeper
shutdown
!
!
line con 0
exec-timeout 0 0
logging synchronous
stopbits 1
line aux 0
stopbits 1
line vty 0 4
!
!
end
hostname r3
R3#show run
*Mar 19 21:22:58.827: %SYS-5-CONFIG_I: Configured from console by console
R3#show run
Building configuration...
Current configuration : 1708 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R3
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
!
!
ip cef
no ip domain lookup
!
!
!
!
!
key chain cisco
key 1
key-string haha
!
!
!
!
!
!
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interface Loopback0
ip address 172.16.3.1 255.255.255.248
!
interface Loopback1
ip address 172.16.3.33 255.255.255.248
!
interface Loopback2
ip address 172.16.3.65 255.255.255.248
!
interface Loopback4
ip address 172.16.3.97 255.255.255.248
!
interface FastEthernet0/0
no ip address
shutdown
duplex half
!
interface Serial1/0
bandwidth 64
ip address 172.16.23.3 255.255.255.0
ip hello-interval eigrp 1 2
ip hold-time eigrp 1 3
serial restart-delay 0
!
interface Serial1/1
ip address 172.16.34.3 255.255.255.0
ip authentication mode eigrp 1 md5
ip authentication key-chain eigrp 1 cisco
serial restart-delay 0
!
interface Serial1/2
no ip address
shutdown
serial restart-delay 0
!
interface Serial1/3
no ip address
shutdown
serial restart-delay 0
!
interface Serial1/4
no ip address
shutdown
serial restart-delay 0
!
interface Serial1/5
no ip address
shutdown
serial restart-delay 0
!
interface Serial1/6
no ip address
shutdown
serial restart-delay 0
!
interface Serial1/7
no ip address
shutdown
serial restart-delay 0
!
router eigrp 1
network 172.16.0.0 0.0.7.255
network 172.16.16.0 0.0.7.255
network 172.16.32.0 0.0.7.255
no auto-summary
!
!
no ip http server
no ip http secure-server
!
!
!
!
!
!
control-plane
!
!
!
!
!
!
gatekeeper
shutdown
!
!
line con 0
exec-timeout 0 0
logging synchronous
stopbits 1
line aux 0
stopbits 1
line vty 0 4
!
!
end
hostname r4
R4#show run
Building configuration...
Current configuration : 1664 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R4
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
!
!
ip cef
no ip domain lookup
!
!
!
!
!
key chain cisco
key 1
key-string haha
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
interface Loopback0
ip address 172.16.4.1 255.255.255.248
ip summary-address eigrp 1 172.16.0.0 255.255.0.0 5
!
interface Loopback1
ip address 172.16.4.33 255.255.255.248
!
interface Loopback2
ip address 172.16.4.65 255.255.255.248
!
interface Loopback3
ip address 172.16.4.97 255.255.255.248
!
interface FastEthernet0/0
no ip address
shutdown
duplex half
!
interface Serial1/0
bandwidth 64
ip address 172.16.34.4 255.255.255.0
ip authentication mode eigrp 1 md5
ip authentication key-chain eigrp 1 cisco
serial restart-delay 0
!
interface Serial1/1
no ip address
shutdown
serial restart-delay 0
!
interface Serial1/2
no ip address
shutdown
serial restart-delay 0
!
interface Serial1/3
no ip address
shutdown
serial restart-delay 0
!
interface Serial1/4
no ip address
shutdown
serial restart-delay 0
!
interface Serial1/5
no ip address
shutdown
serial restart-delay 0
!
interface Serial1/6
no ip address
shutdown
serial restart-delay 0
!
interface Serial1/7
no ip address
shutdown
serial restart-delay 0
!
router eigrp 1
network 172.16.0.0 0.0.7.255
network 172.16.32.0 0.0.7.255
no auto-summary
!
!
no ip http server
no ip http secure-server
!
!
!
!
!
!
control-plane
!
!
!
!
!
!
gatekeeper
shutdown
!
!
line con 0
exec-timeout 0 0
logging synchronous
stopbits 1
line aux 0
stopbits 1
line vty 0 4
!
!
end
汇总到r4的lookback口
R4#show ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route
Gateway of last resort is not set
172.16.0.0/16 is variably subnetted, 12 subnets, 3 masks
C 172.16.4.32/29 is directly connected, Loopback1
C 172.16.34.0/24 is directly connected, Serial1/0
D 172.16.3.32/29 [90/40640000] via 172.16.34.3, 00:02:12, Serial1/0
D 172.16.23.0/24 [90/41024000] via 172.16.34.3, 00:03:00, Serial1/0
D 172.16.12.0/24 [90/41536000] via 172.16.34.3, 00:03:17, Serial1/0
C 172.16.4.0/29 is directly connected, Loopback0
D 172.16.0.0/16 is a summary, 00:28:30, Null0
D 172.16.3.0/29 [90/40640000] via 172.16.34.3, 00:02:12, Serial1/0
C 172.16.4.96/29 is directly connected, Loopback3
D 172.16.3.96/29 [90/40640000] via 172.16.34.3, 00:02:12, Serial1/0
C 172.16.4.64/29 is directly connected, Loopback2
D 172.16.3.64/29 [90/40640000] via 172.16.34.3, 00:02:12, Serial1/0
用tclsh测试
R4(tcl)#foreach address {
+>(tcl)#172.16.12.1
+>(tcl)#172.16.12.2
+>(tcl)#172.16.23.2
+>(tcl)#172.16.23.3
+>(tcl)#172.16.3.1
+>(tcl)#172.16.3.33
+>(tcl)#172.16.3.65
+>(tcl)#172.16.3.97
+>(tcl)#172.16.4.1
+>(tcl)#172.16.4.33
+>(tcl)#172.16.4.65
+>(tcl)#172.16.4.97
+>(tcl)#} {
+>(tcl)#ping $address
+>(tcl)#}
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 172.16.12.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 96/137/204 ms
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 172.16.12.2, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 60/88/152 ms
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 172.16.23.2, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 60/94/176 ms
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 172.16.23.3, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 48/76/112 ms
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 172.16.3.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 28/72/176 ms
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 172.16.3.33, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 32/48/76 ms
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 172.16.3.65, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 44/69/112 ms
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 172.16.3.97, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 32/52/104 ms
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 172.16.4.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/4 ms
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 172.16.4.33, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/4 ms
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 172.16.4.65, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/3/4 ms
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 172.16.4.97, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/3/4 m
R2(config-if)#ip hold-time eigrp 1 3
R2(config-if)#do show ip eig ne
IP-EIGRP neighbors for process 1
H Address Interface Hold Uptime SRTT RTO Q Seq
(sec) (ms) Cnt Num
1 172.16.23.3 Se1/1 2 00:06:32 108 648 0 10
0 172.16.12.1 Se1/0 12 00:10:03 121 726 0 5
R3(config-if)#do show ip eig ne
IP-EIGRP neighbors for process 1
H Address Interface Hold Uptime SRTT RTO Q Seq
(sec) (ms) Cnt Num
1 172.16.34.4 Se1/1 13 00:05:57 102 918 0 5
0 172.16.23.2 Se1/0 2 00:06:15 110 660 0 14
R3#show ip eigrp in detail
IP-EIGRP interfaces for process 1
Xmit Queue Mean Pacing Time Multicast Pending
Interface Peers Un/Reliable SRTT Un/Reliable Flow Timer Routes
Lo0 0 0/0 0 0/1 0 0
Hello interval is 5 sec
Next xmit serial
Un/reliable mcasts: 0/0 Un/reliable ucasts: 0/0
Mcast exceptions: 0 CR packets: 0 ACKs suppressed: 0
Retransmissions sent: 0 Out-of-sequence rcvd: 0
Authentication mode is not set
Use multicast
Lo1 0 0/0 0 0/1 0 0
Hello interval is 5 sec
Next xmit serial
Un/reliable mcasts: 0/0 Un/reliable ucasts: 0/0
Mcast exceptions: 0 CR packets: 0 ACKs suppressed: 0
Retransmissions sent: 0 Out-of-sequence rcvd: 0
Authentication mode is not set
Use multicast
Lo2 0 0/0 0 0/1 0 0
Hello interval is 5 sec
Next xmit serial
Xmit Queue Mean Pacing Time Multicast Pending
Interface Peers Un/Reliable SRTT Un/Reliable Flow Timer Routes
Un/reliable mcasts: 0/0 Un/reliable ucasts: 0/0
Mcast exceptions: 0 CR packets: 0 ACKs suppressed: 0
Retransmissions sent: 0 Out-of-sequence rcvd: 0
Authentication mode is not set
Use multicast
Lo4 0 0/0 0 0/1 0 0
Hello interval is 5 sec
Next xmit serial
Un/reliable mcasts: 0/0 Un/reliable ucasts: 0/0
Mcast exceptions: 0 CR packets: 0 ACKs suppressed: 0
Retransmissions sent: 0 Out-of-sequence rcvd: 0
Authentication mode is not set
Use multicast
Se1/0 1 0/0 117 10/380 840 0
Hello interval is 2 sec
Next xmit serial
Un/reliable mcasts: 0/0 Un/reliable ucasts: 8/9
Mcast exceptions: 0 CR packets: 0 ACKs suppressed: 3
Retransmissions sent: 0 Out-of-sequence rcvd: 1
Authentication mode is not set
Use unicast
Se1/1 1 0/0 115 0/15 491 0
Hello interval is 5 sec
Xmit Queue Mean Pacing Time Multicast Pending
Interface Peers Un/Reliable SRTT Un/Reliable Flow Timer Routes
Next xmit serial
Un/reliable mcasts: 0/0 Un/reliable ucasts: 6/12
Mcast exceptions: 0 CR packets: 0 ACKs suppressed: 6
Retransmissions sent: 1 Out-of-sequence rcvd: 0
Authentication mode is md5, key-chain is "cisco"
Use unicast
R4#show ip eigrp in detail
IP-EIGRP interfaces for process 1
Xmit Queue Mean Pacing Time Multicast Pending
Interface Peers Un/Reliable SRTT Un/Reliable Flow Timer Routes
Lo0 0 0/0 0 0/1 0 0
Hello interval is 5 sec
Next xmit serial
Un/reliable mcasts: 0/0 Un/reliable ucasts: 0/0
Mcast exceptions: 0 CR packets: 0 ACKs suppressed: 0
Retransmissions sent: 0 Out-of-sequence rcvd: 0
Authentication mode is not set
Use multicast
Lo1 0 0/0 0 0/1 0 0
Hello interval is 5 sec
Next xmit serial
Un/reliable mcasts: 0/0 Un/reliable ucasts: 0/0
Mcast exceptions: 0 CR packets: 0 ACKs suppressed: 0
Retransmissions sent: 0 Out-of-sequence rcvd: 0
Authentication mode is not set
Use multicast
Lo2 0 0/0 0 0/1 0 0
Hello interval is 5 sec
Next xmit serial
Xmit Queue Mean Pacing Time Multicast Pending
Interface Peers Un/Reliable SRTT Un/Reliable Flow Timer Routes
Un/reliable mcasts: 0/0 Un/reliable ucasts: 0/0
Mcast exceptions: 0 CR packets: 0 ACKs suppressed: 0
Retransmissions sent: 0 Out-of-sequence rcvd: 0
Authentication mode is not set
Use multicast
Lo3 0 0/0 0 0/1 0 0
Hello interval is 5 sec
Next xmit serial
Un/reliable mcasts: 0/0 Un/reliable ucasts: 0/0
Mcast exceptions: 0 CR packets: 0 ACKs suppressed: 0
Retransmissions sent: 0 Out-of-sequence rcvd: 0
Authentication mode is not set
Use multicast
Se1/0 1 0/0 114 10/380 876 0
Hello interval is 5 sec
Next xmit serial
Un/reliable mcasts: 0/0 Un/reliable ucasts: 5/22
Mcast exceptions: 0 CR packets: 0 ACKs suppressed: 6
Retransmissions sent: 8 Out-of-sequence rcvd: 1
Authentication mode is md5, key-chain is "cisco"
Use unicast