浮动静态路由
浮动静态路由
Router0
的配置：
Router>en
Router#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#int f0/0
Router(config-if)#ip add 10.1.1.1 255.255.255.0
Router(config-if)#no shutdown
%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up
Router(config-if)#int s0/0
Router(config-if)#ip address 12.12.12.1 255.255.255.0
Router(config-if)#clock rate 64000
Router(config-if)#no shut
Router(config-if)#no shutdown
%LINK-5-CHANGED: Interface Serial0/0, changed state to down
Router(config-if)#int f0/1
Router(config-if)#ip add 21.21.21.1 255.255.255.0
Router(config-if)#no shutdown
%LINK-5-CHANGED: Interface FastEthernet0/1, changed state to up
Router(config-if)#
%LINK-5-CHANGED: Interface Serial0/0, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to up
Router(config-if)#exit
Router(config)#ip route 192.168.1.0 255.255.255.0 12.12.12.2 ?
<1-255> Distance metric for this route
<cr>
Router(config)#ip route 192.168.1.0 255.255.255.0 12.12.12.2 10
Router(config)#ip route 192.168.1.0 255.255.255.0 21.21.21.2 5
Router(config)#ip route 23.23.23.0 255.255.255.0 12.12.12.2
Router(config)#end
%SYS-5-CONFIG_I: Configured from console by console
Router#show ip rou
Router#show ip route
Codes: C - connected, S - static, I - IGRP, 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, E - EGP
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
10.0.0.0/24 is subnetted, 1 subnets
C 10.1.1.0 is directly connected, FastEthernet0/0
12.0.0.0/24 is subnetted, 1 subnets
C 12.12.12.0 is directly connected, Serial0/0
21.0.0.0/24 is subnetted, 1 subnets
C 21.21.21.0 is directly connected, FastEthernet0/1
23.0.0.0/24 is subnetted, 1 subnets
S 23.23.23.0 [1/0] via 12.12.12.2
S 192.168.1.0/24 [5/0] via 21.21.21.2
Router#
Router#ping 192.168.1.100
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.1.100, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 10/13/17 ms
Router#
Router 1
的配置
:
Router>enable
Router#conf
Configuring from terminal, memory, or network [terminal]?
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#int serial 0/0
Router(config-if)#ip add 12.12.12.2 255.255.255.0
Router(config-if)#no shutdown
%LINK-5-CHANGED: Interface Serial0/0, changed state to up
Router(config-if)#
%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0, changed state to up
Router(config-if)#int f0/1
Router(config-if)#ip add 21.21.21.2 255.255.255.0
Router(config-if)#no shutdown
%LINK-5-CHANGED: Interface FastEthernet0/1, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to up
Router(config-if)#
Router(config-if)#int s0/1
Router(config-if)#ip add 23.23.23.1 255.255.255.0
%LINK-5-CHANGED: Interface Serial0/1, changed state to down
Router(config-if)#
Router(config-if)#clock rate 64000
Router(config-if)#no shutdown
Router(config-if)#
%LINK-5-CHANGED: Interface Serial0/1, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/1, changed state to up
Router(config-if)#end
%SYS-5-CONFIG_I: Configured from console by console
Router#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#ip ?
access-list Named access-list
default-network Flags networks as candidates for default routes
dhcp Configure DHCP server and relay parameters
domain IP DNS Resolver
domain-lookup Enable IP Domain Name System hostname translation
domain-name Define the default domain name
forward-protocol Controls forwarding of physical and directed IP broadcasts
host Add an entry to the ip hostname table
name-server Specify address of name server to use
nat NAT configuration commands
route Establish static routes
Router(config)#ip ro
Router(config)#ip route 192.168.1.0 255.255.255.0 s
Router(config)#ip route 192.168.1.0 255.255.255.0 serial 0/1
Router(config)#ip route 10.1.1.0 255.255.255.0 12.12.12.1
Router(config)#end
%SYS-5-CONFIG_I: Configured from console by console
Router#show ip route
Codes: C - connected, S - static, I - IGRP, 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, E - EGP
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
10.0.0.0/24 is subnetted, 1 subnets
S 10.1.1.0 [1/0] via 12.12.12.1
12.0.0.0/24 is subnetted, 1 subnets
C 12.12.12.0 is directly connected, Serial0/0
21.0.0.0/24 is subnetted, 1 subnets
C 21.21.21.0 is directly connected, FastEthernet0/1
23.0.0.0/24 is subnetted, 1 subnets
C 23.23.23.0 is directly connected, Serial0/1
S 192.168.1.0/24 is directly connected, Serial0/1
Router#ping 10.1.1.100
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.1.1.100, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 6/9/13 ms
Router#ping 192.168.1.100
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.1.100, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 6/7/9 ms
Router#
Router 2
的配置：
Router>enable
Router#conf
Configuring from terminal, memory, or network [terminal]?
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#int s0/0
Router(config-if)#ip add 23.23.23.3 255.255.255.0
Router(config-if)#no shutdown
%LINK-5-CHANGED: Interface Serial0/0, changed state to up
Router(config-if)#
%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0, changed state to up
Router(config-if)#int f0/0
Router(config-if)#ip add 192.168.1.1 255.255.255.0
Router(config-if)#no shutdown
%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up
Router(config-if)#exit
Router(config)#ip route 10.1.1.0 255.255.255.0 23.23.23.2
Router(config)#ip route 12.12.12.0 255.255.255.0 23.23.23.2
Router(config)#ip route 21.21.21.0 255.255.255.0 23.23.23.2
Router(config)#end
%SYS-5-CONFIG_I: Configured from console by console
Router#show ip route
Codes: C - connected, S - static, I - IGRP, 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, E - EGP
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
10.0.0.0/24 is subnetted, 1 subnets
S 10.1.1.0 [1/0] via 23.23.23.2
12.0.0.0/24 is subnetted, 1 subnets
S 12.12.12.0 [1/0] via 23.23.23.2
21.0.0.0/24 is subnetted, 1 subnets
S 21.21.21.0 [1/0] via 23.23.23.2
23.0.0.0/24 is subnetted, 1 subnets
C 23.23.23.0 is directly connected, Serial0/0
C 192.168.1.0/24 is directly connected, FastEthernet0/0
Router#ping 10.1.1.100
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.1.1.100, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 10/12/15 ms
Router#ping 10.1.1.1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.1.1.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 6/8/11 ms
Router#