Cisco点滴——静态路由
现在为大家展示一下静态路由的简单配置过程。(*^__^*) 嘻…其中在最后的测试过程中，不免有好多的疑问，希望各位能够多多指教，谢谢了~~废话不多说，开整，拓扑图如下：
Router1 S0/0 <----> Router2 S0/0
Router2 S0/1 <----> Router3 S0/1
Router1 F1/0 <----> VPCS V0/1
Router2 F1/0 <----> VPCS V0/2
Router3 F1/0 <----> VPCS V0/3
配置静态路由的命令为“ip route” ，命令的格式如下：
ip route 目的网络 掩码 { 网关地址 | 接口 }
例子：ip route 10.0.0.0 255.255.255.0s0/0
例子：ip route 10.0.0.0 255.255.255.012.12.12.2
进入实战：
R1配置：
R1(config)#int s0/0
R1(config-if)#ip add 10.0.0.1 255.255.255.0
R1(config-if)#no shut
R1(config-if)#exit
R1(config)#int f1/0
R1(config-if)#ip add 1.1.1.1 255.255.255.0
R1(config-if)#no shut
R1(config-if)#exit
R1(config)#ip route 2.2.2.0 255.255.255.0 s0/0
R1(config)#ip route 3.3.3.0 255.255.255.0 10.0.0.2
R1#show running-config
Building configuration...
Current configuration : 1044 bytes
!
version 12.2
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R1
!
logging queue-limit 100
!
ip subnet-zero
!
!
!
ip audit notify log
ip audit po max-events 100
mpls ldp logging neighbor-changes
!
!
!
!
--More--
*Mar1 00:04:42.471: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0, changed s! p
!
!
!
!
!
!
!
no voice hpi capture buffer
no voice hpi capture destination
!
!
mta receive maximum-recipients 0
!
!
!
!
interface Serial0/0
ip address 10.0.0.1 255.255.255.0
serial restart_delay 0
!
interface Serial0/1
no ip address
shutdown
serial restart_delay 0
!
interface Serial0/2
no ip address
shutdown
serial restart_delay 0
!
interface Serial0/3
no ip address
shutdown
serial restart_delay 0
!
interface FastEthernet1/0
ip address 1.1.1.1 255.255.255.0
duplex auto
speed auto
!
ip http server
no ip http secure-server
ip> ip route 2.2.2.0 255.255.255.0 Serial0/0
ip route 3.3.3.0 255.255.255.0 10.0.0.2
!
!
!
!
!
call rsvp-sync
!
!
mgcp profile default
!
!
!
dial-peer cor custom
!
!
!
!
!
line con 0
line aux 0
line vty 0 4
!
!
end
R1#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, 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
1.0.0.0/24 is subnetted, 1 subnets
C 1.1.1.0 is directly connected, FastEthernet1/0
2.0.0.0/24 is subnetted, 1 subnets
S 2.2.2.0 is directly connected, Serial0/0
3.0.0.0/24 is subnetted, 1 subnets
S 3.3.3.0 via 10.0.0.2
10.0.0.0/24 is subnetted, 1 subnets
C 10.0.0.0 is directly connected, Serial0/0
R2配置：
R2(config)#int f1/0
R2(config-if)#ip add 2.2.2.2 255.255.255.0
R2(config-if)#no shut
R2(config-if)#exit
R2(config)#int s0/0
R2(config-if)#ip add 10.0.0.2 255.255.255.0
R2(config-if)#no shut
R2(config-if)#clock rate 128000
R2(config-if)#exit
R2(config)#int s0/1
R2(config-if)#ip add 20.0.0.2 255.255.255.0
R2(config-if)#no shut
R2(config-if)#clock rate 128000
R2(config-if)#exit
R2(config)#ip route 1.1.1.0 255.255.255.0 s0/0
R2(config)#ip route 3.3.3.0 255.255.255.0 s0/1
R2(config)#end
R2#show run
*Mar1 00:05:55.763: %SYS-5-CONFIG_I: Configured from console by console
Building configuration...
Current configuration : 1111 bytes
!
version 12.2
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R2
!
logging queue-limit 100
!
ip subnet-zero
!
!
no ip domain lookup
!
ip audit notify log
ip audit po max-events 100
mpls ldp logging neighbor-changes
!
!
!
--More--
*Mar1 00:06:22.507: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/1, changed s! p
!
!
!
!
!
!
!
!
no voice hpi capture buffer
no voice hpi capture destination
!
!
mta receive maximum-recipients 0
!
!
!
!
interface Serial0/0
ip address 10.0.0.2 255.255.255.0
serial restart_delay 0
clockrate 128000
!
interface Serial0/1
ip address 20.0.0.2 255.255.255.0
serial restart_delay 0
clockrate 128000
!
interface Serial0/2
no ip address
shutdown
serial restart_delay 0
!
interface Serial0/3
no ip address
shutdown
serial restart_delay 0
!
interface FastEthernet1/0
ip address 2.2.2.2 255.255.255.0
duplex auto
speed auto
!
ip http server
no ip http secure-server
ip> ip route 1.1.1.0 255.255.255.0 Serial0/0
ip route 3.3.3.0 255.255.255.0 Serial0/1
!
!
!
!
!
call rsvp-sync
!
!
mgcp profile default
!
!
!
dial-peer cor custom
!
!
!
!
!
line con 0
line aux 0
line vty 0 4
!
!
end
R2#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, 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
1.0.0.0/24 is subnetted, 1 subnets
S 1.1.1.0 is directly connected, Serial0/0
2.0.0.0/24 is subnetted, 1 subnets
C 2.2.2.0 is directly connected, FastEthernet1/0
3.0.0.0/24 is subnetted, 1 subnets
S 3.3.3.0 is directly connected, Serial0/1
20.0.0.0/24 is subnetted, 1 subnets
C 20.0.0.0 is directly connected, Serial0/1
10.0.0.0/24 is subnetted, 1 subnets
C 10.0.0.0 is directly connected, Serial0/0
R3配置：
R3(config)#int s0/1
R3(config-if)#ip add 20.0.0.3 255.255.255.0
R3(config-if)#no shut
R3(config-if)#exit
R3(config)#int f1/0
R3(config-if)#ip add 3.3.3.3 255.255.255.0
R3(config-if)#no shut
R3(config-if)#exit
R3(config)#ip route 1.1.1.0 255.255.255.0 s0/1
R3(config)#ip route 2.2.2.0 255.255.255.0 s0/1
R3(config)#end
R3#show run
Building configuration...
Current configuration : 1065 bytes
!
version 12.2
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R3
!
logging queue-limit 100
!
ip subnet-zero
!
!
no ip domain lookup
!
ip audit notify log
ip audit po max-events 100
mpls ldp logging neighbor-changes
!
!
!
!
!
!
!
!
!
!
!
!
no voice hpi capture buffer
no voice hpi capture destination
!
!
mta receive maximum-recipients 0
!
!
!
!
interface Serial0/0
no ip address
shutdown
serial restart_delay 0
!
interface Serial0/1
ip address 20.0.0.3 255.255.255.0
serial restart_delay 0
!
interface Serial0/2
no ip address
shutdown
serial restart_delay 0
!
interface Serial0/3
no ip address
shutdown
serial restart_delay 0
!
interface FastEthernet1/0
ip address 3.3.3.3 255.255.255.0
duplex auto
speed auto
!
ip http server
no ip http secure-server
ip> ip route 1.1.1.0 255.255.255.0 Serial0/1
ip route 2.2.2.0 255.255.255.0 Serial0/1
!
!
!
!
!
call rsvp-sync
!
!
mgcp profile default
!
!
!
dial-peer cor custom
!
!
!
!
!
line con 0
line aux 0
line vty 0 4
!
!
end
R3#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, 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
1.0.0.0/24 is subnetted, 1 subnets
S 1.1.1.0 is directly connected, Serial0/1
2.0.0.0/24 is subnetted, 1 subnets
S 2.2.2.0 is directly connected, Serial0/1
3.0.0.0/24 is subnetted, 1 subnets
C 3.3.3.0 is directly connected, FastEthernet1/0
20.0.0.0/24 is subnetted, 1 subnets
C 20.0.0.0 is directly connected, Serial0/1
测试路由连通性：
R1
R1#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 = 1/2/4 ms
//ping 1.1.1.1通
R1#ping 1.1.1.2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 1.1.1.2, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 32/35/48 ms
//ping 1.1.1.2通
R1#ping 10.0.0.1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.0.0.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 60/68/92 ms
//ping 10.0.0.1通
R1#ping 10.0.0.2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.0.0.2, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 28/44/76 ms
//ping 10.0.0.2通
R1#ping 20.0.0.2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 20.0.0.2, timeout is 2 seconds:
.....
Success rate is 0 percent (0/5)
//ping 20.0.0.2不通，为什么呢？
R1#ping 20.0.0.3
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 20.0.0.3, timeout is 2 seconds:
.....
Success rate is 0 percent (0/5)
//ping 20.0.0.3不通，为什么呢？
R1#ping 2.2.2.2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 2.2.2.2, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 32/40/60 ms
//ping 2.2.2.2通
R1#ping 2.2.2.1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 2.2.2.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 20/42/60 ms
//ping 2.2.2.1通
R1#ping 3.3.3.3
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 3.3.3.3, timeout is 2 seconds:
.....
Success rate is 0 percent (0/5)
//ping 3.3.3.3不通，为什么呢？
R1#ping 3.3.3.1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 3.3.3.1, timeout is 2 seconds:
.....
Success rate is 0 percent (0/5)
//ping 3.3.3.1不通，为什么呢？
R2*（全通）
R2#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 = 28/52/80 ms
R2#ping 1.1.1.2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 1.1.1.2, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 28/56/96 ms
R2#ping 10.0.0.1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.0.0.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 28/35/48 ms
R2#ping 10.0.0.2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.0.0.2, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 84/100/124 ms
R2#ping 20.0.0.2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 20.0.0.2, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 60/63/68 ms
R2#ping 20.0.0.3
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 20.0.0.3, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 32/41/68 ms
R2#ping 2.2.2.2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 2.2.2.2, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/4 ms
R2#ping 2.2.2.1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 2.2.2.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 12/22/36 ms
R2#ping 3.3.3.3
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 3.3.3.3, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 32/44/48 ms
R2#ping 3.3.3.1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 3.3.3.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 48/59/76 ms
综上所述，十个节点全通！
R3
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 0 percent (0/5)
//ping 1.1.1.1不通，为什么呢？
R3#ping 1.1.1.2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 1.1.1.2, timeout is 2 seconds:
.....
Success rate is 0 percent (0/5)
//ping 1.1.1.2不通，为什么呢？
R3#ping 10.0.0.1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.0.0.1, timeout is 2 seconds:
.....
Success rate is 0 percent (0/5)
//ping 10.0.0.1不通，为什么呢？
R3#ping 10.0.0.2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.0.0.2, timeout is 2 seconds:
.....
Success rate is 0 percent (0/5)
//ping 10.0.0.2 不通，为什么呢？
R3#ping 2.2.2.2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 2.2.2.2, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 28/38/68 ms
//R3#ping 2.2.2.2通
R3#ping 2.2.2.1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 2.2.2.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 32/49/64 ms
//ping 2.2.2.1通
R3#ping 20.0.0.2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 20.0.0.2, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 24/34/44 ms
//ping 20.0.0.2通
R3#ping 20.0.0.3
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 20.0.0.3, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 60/68/80 ms
/ping 20.0.0.3通
R3#ping 3.3.3.3
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 3.3.3.3, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/4 ms
//ping 3.3.3.3通
R3#ping 3.3.3.1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 3.3.3.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 16/31/48 ms
//ping 3.3.3.1通
测试客户端连通性：
VPCS 1 >show ip
NAME IP/CIDR GATEWAY LPORT RPORT
PC1 1.1.1.2/24 1.1.1.1 10001 11110
PC2 2.2.2.1/24 2.2.2.2 10002 11210
PC3 3.3.3.1/24 3.3.3.3 10003 11310
PC4 0.0.0.0/0 0.0.0.0 10004 30003
PC5 0.0.0.0/0 0.0.0.0 10005 30004
PC6 0.0.0.0/0 0.0.0.0 10006 30005
PC7 0.0.0.0/0 0.0.0.0 10007 30006
PC8 0.0.0.0/0 0.0.0.0 10008 30007
PC9 0.0.0.0/0 0.0.0.0 10009 30008
PC1：（20.0.0.2-3俩节点不通）
VPCS 1 >ping 1.1.1.1
1.1.1.1 icmp_seq=1 time=63.000 ms
1.1.1.1 icmp_seq=2 time=31.000 ms
1.1.1.1 icmp_seq=3 time=31.000 ms
1.1.1.1 icmp_seq=4 time=31.000 ms
1.1.1.1 icmp_seq=5 time=63.000 ms
VPCS 1 >ping 1.1.1.2
1.1.1.2 icmp_seq=1 time=0.001 ms
1.1.1.2 icmp_seq=2 time=0.001 ms
1.1.1.2 icmp_seq=3 time=0.001 ms
1.1.1.2 icmp_seq=4 time=0.001 ms
1.1.1.2 icmp_seq=5 time=0.001 ms
VPCS 1 >ping 10.0.0.1
10.0.0.1 icmp_seq=1 time=47.000 ms
10.0.0.1 icmp_seq=2 time=31.000 ms
10.0.0.1 icmp_seq=3 time=16.000 ms
10.0.0.1 icmp_seq=4 time=31.000 ms
10.0.0.1 icmp_seq=5 time=31.000 ms
VPCS 1 >ping 10.0.0.2
10.0.0.2 icmp_seq=1 time=78.000 ms
10.0.0.2 icmp_seq=2 time=63.000 ms
10.0.0.2 icmp_seq=3 time=47.000 ms
10.0.0.2 icmp_seq=4 time=47.000 ms
10.0.0.2 icmp_seq=5 time=63.000 ms
VPCS 1 >ping 20.0.0.2
20.0.0.2 icmp_seq=1 timeout
20.0.0.2 icmp_seq=2 timeout
20.0.0.2 icmp_seq=3 timeout
20.0.0.2 icmp_seq=4 timeout
20.0.0.2 icmp_seq=5 timeout
VPCS 1 >ping 20.0.0.3
20.0.0.3 icmp_seq=1 timeout
20.0.0.3 icmp_seq=2 timeout
20.0.0.3 icmp_seq=3 timeout
20.0.0.3 icmp_seq=4 timeout
20.0.0.3 icmp_seq=5 timeout
VPCS 1 >ping 2.2.2.2
2.2.2.2 icmp_seq=1 time=93.000 ms
2.2.2.2 icmp_seq=2 time=62.000 ms
2.2.2.2 icmp_seq=3 time=93.000 ms
2.2.2.2 icmp_seq=4 time=62.000 ms
2.2.2.2 icmp_seq=5 time=62.000 ms
VPCS 1 >ping 2.2.2.1
2.2.2.1 icmp_seq=1 time=125.000 ms
2.2.2.1 icmp_seq=2 time=94.000 ms
2.2.2.1 icmp_seq=3 time=94.000 ms
2.2.2.1 icmp_seq=4 time=125.000 ms
2.2.2.1 icmp_seq=5 time=94.000 ms
VPCS 1 >ping 3.3.3.3
3.3.3.3 icmp_seq=1 time=156.000 ms
3.3.3.3 icmp_seq=2 time=141.000 ms
3.3.3.3 icmp_seq=3 time=125.000 ms
3.3.3.3 icmp_seq=4 time=109.000 ms
3.3.3.3 icmp_seq=5 time=94.000 ms
VPCS 1 >ping 3.3.3.1
3.3.3.1 icmp_seq=1 time=156.000 ms
3.3.3.1 icmp_seq=2 time=124.000 ms
3.3.3.1 icmp_seq=3 time=124.000 ms
3.3.3.1 icmp_seq=4 time=124.000 ms
3.3.3.1 icmp_seq=5 time=156.000 ms
PC2：(全通)
VPCS 2 >ping 1.1.1.1
1.1.1.1 icmp_seq=1 time=78.000 ms
1.1.1.1 icmp_seq=2 time=63.000 ms
1.1.1.1 icmp_seq=3 time=94.000 ms
1.1.1.1 icmp_seq=4 time=63.000 ms
1.1.1.1 icmp_seq=5 time=78.000 ms
VPCS 2 >ping 1.1.1.2
1.1.1.2 icmp_seq=1 time=125.000 ms
1.1.1.2 icmp_seq=2 time=109.000 ms
1.1.1.2 icmp_seq=3 time=93.000 ms
1.1.1.2 icmp_seq=4 time=109.000 ms
1.1.1.2 icmp_seq=5 time=109.000 ms
VPCS 2 >ping 10.0.0.1
10.0.0.1 icmp_seq=1 time=125.000 m
10.0.0.1 icmp_seq=2 time=62.000 ms
10.0.0.1 icmp_seq=3 time=62.000 ms
10.0.0.1 icmp_seq=4 time=78.000 ms
10.0.0.1 icmp_seq=5 time=78.000 ms
VPCS 2 >ping 10.0.0.2
10.0.0.2 icmp_seq=1 time=47.000 ms
10.0.0.2 icmp_seq=2 time=31.000 ms
10.0.0.2 icmp_seq=3 time=62.000 ms
10.0.0.2 icmp_seq=4 time=31.000 ms
10.0.0.2 icmp_seq=5 time=31.000 ms
VPCS 2 >ping 20.0.0.2
20.0.0.2 icmp_seq=1 time=63.000 ms
20.0.0.2 icmp_seq=2 time=31.000 ms
20.0.0.2 icmp_seq=3 time=16.000 ms
20.0.0.2 icmp_seq=4 time=31.000 ms
20.0.0.2 icmp_seq=5 time=31.000 ms
VPCS 2 >ping 20.0.0.3
20.0.0.3 icmp_seq=1 time=94.000 ms
20.0.0.3 icmp_seq=2 time=63.000 ms
20.0.0.3 icmp_seq=3 time=63.000 ms
20.0.0.3 icmp_seq=4 time=62.000 ms
20.0.0.3 icmp_seq=5 time=63.000 ms
VPCS 2 >ping 2.2.2.2
2.2.2.2 icmp_seq=1 time=62.000 ms
2.2.2.2 icmp_seq=2 time=31.000 ms
2.2.2.2 icmp_seq=3 time=31.000 ms
2.2.2.2 icmp_seq=4 time=31.000 ms
2.2.2.2 icmp_seq=5 time=31.000 ms
VPCS 2 >ping 2.2.2.1
2.2.2.1 icmp_seq=1 time=0.001 ms
2.2.2.1 icmp_seq=2 time=0.001 ms
2.2.2.1 icmp_seq=3 time=0.001 ms
2.2.2.1 icmp_seq=4 time=0.001 ms
2.2.2.1 icmp_seq=5 time=0.001 ms
VPCS 2 >ping 3.3.3.3
3.3.3.3 icmp_seq=1 time=78.000 ms
3.3.3.3 icmp_seq=2 time=47.000 ms
3.3.3.3 icmp_seq=3 time=93.000 ms
3.3.3.3 icmp_seq=4 time=78.000 ms
3.3.3.3 icmp_seq=5 time=62.000 ms
VPCS 2 >ping 3.3.3.1
3.3.3.1 icmp_seq=1 time=94.000 ms
3.3.3.1 icmp_seq=2 time=125.000 ms
3.3.3.1 icmp_seq=3 time=94.000 ms
3.3.3.1 icmp_seq=4 time=94.000 ms
3.3.3.1 icmp_seq=5 time=94.000 ms
PC3：（10.0.0.2-3不通）
VPCS 3 >ping 1.1.1.1
1.1.1.1 icmp_seq=1 time=125.000 ms
1.1.1.1 icmp_seq=2 time=94.000 ms
1.1.1.1 icmp_seq=3 time=94.000 ms
1.1.1.1 icmp_seq=4 time=125.000 ms
1.1.1.1 icmp_seq=5 time=94.000 ms
VPCS 3 >ping 1.1.1.2
1.1.1.2 icmp_seq=1 time=125.000 ms
1.1.1.2 icmp_seq=2 time=125.000 ms
1.1.1.2 icmp_seq=3 time=156.000 ms
1.1.1.2 icmp_seq=4 time=125.000 ms
1.1.1.2 icmp_seq=5 time=125.000 ms
VPCS 3 >ping 10.0.0.1
10.0.0.1 icmp_seq=1 timeout
10.0.0.1 icmp_seq=2 timeout
10.0.0.1 icmp_seq=3 timeout
10.0.0.1 icmp_seq=4 timeout
10.0.0.1 icmp_seq=5 timeout
VPCS 3 >ping 10.0.0.2
10.0.0.2 icmp_seq=1 timeout
10.0.0.2 icmp_seq=2 timeout
10.0.0.2 icmp_seq=3 timeout
10.0.0.2 icmp_seq=4 timeout
10.0.0.2 icmp_seq=5 timeout
VPCS 3 >ping 20.0.0.2
20.0.0.2 icmp_seq=1 time=94.000 ms
20.0.0.2 icmp_seq=2 time=63.000 ms
20.0.0.2 icmp_seq=3 time=63.000 ms
20.0.0.2 icmp_seq=4 time=63.000 ms
20.0.0.2 icmp_seq=5 time=63.000 ms
VPCS 3 >ping 20.0.0.3
20.0.0.3 icmp_seq=1 time=46.000 ms
20.0.0.3 icmp_seq=2 time=31.000 ms
20.0.0.3 icmp_seq=3 time=15.000 ms
20.0.0.3 icmp_seq=4 time=31.000 ms
20.0.0.3 icmp_seq=5 time=31.000 ms
VPCS 3 >ping 2.2.2.2
2.2.2.2 icmp_seq=1 time=94.000 ms
2.2.2.2 icmp_seq=2 time=63.000 ms
2.2.2.2 icmp_seq=3 time=63.000 ms
2.2.2.2 icmp_seq=4 time=63.000 ms
2.2.2.2 icmp_seq=5 time=63.000 ms
VPCS 3 >ping 2.2.2.1
2.2.2.1 icmp_seq=1 time=93.000 ms
2.2.2.1 icmp_seq=2 time=93.000 ms
2.2.2.1 icmp_seq=3 time=93.000 ms
2.2.2.1 icmp_seq=4 time=93.000 ms
2.2.2.1 icmp_seq=5 time=78.000 ms
VPCS 3 >ping 3.3.3.3
3.3.3.3 icmp_seq=1 time=62.000 ms
3.3.3.3 icmp_seq=2 time=31.000 ms
3.3.3.3 icmp_seq=3 time=31.000 ms
3.3.3.3 icmp_seq=4 time=15.000 ms
3.3.3.3 icmp_seq=5 time=31.000 ms
VPCS 3 >ping 3.3.3.1
3.3.3.1 icmp_seq=1 time=0.001 ms
3.3.3.1 icmp_seq=2 time=0.001 ms
3.3.3.1 icmp_seq=3 time=0.001 ms
3.3.3.1 icmp_seq=4 time=0.001 ms
3.3.3.1 icmp_seq=5 time=0.001 ms
至此实验结束，各PC间都通，但为什么中途的路由节点却不通呢？想不明白， 希望高手赐教~~先谢谢了~
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