静态浮动路由

 

 

RA:

enable
config t
hostname RA
int s0/0
ip address 192.168.1.1 255.255.255.0
clock rate 56000
no shutdown
exit
int s0/1
ip address 192.168.3.2 255.255.255.0
no shutdown
exit
ip route 192.168.2.0 255.255.255.0 192.168.1.2 10
ip route 192.168.2.0 255.255.255.0 s0/0 20
end
show ip route

RB:

enable
config t
hostname RB
int s0/0
ip address 192.168.2.1 255.255.255.0
clock rate 56000
no shutdown
exit
int s0/1
ip address 192.168.1.2 255.255.255.0
no shutdown
exit
ip route 192.168.3.0 255.255.255.0 192.168.1.1
ip route 192.168.3.0 255.255.255.0 192.168.2.2
end
show ip route

RC:
enable
config t
hostname RC
int s0/0
ip address 192.168.3.1 255.255.255.0
clock rate 56000
no shutdown
exit
int s0/1
ip address 192.168.2.2 255.255.255.0
no shutdown
exit
ip route 192.168.1.0 255.255.255.0 192.168.2.1
ip route 192.168.1.0 255.255.255.0 192.168.3.2
end
show ip route

开始测试效果：
RA#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

C    192.168.1.0/24 is directly connected, Serial0/0
S    192.168.2.0/24 [10/0] via 192.168.1.2
C    192.168.3.0/24 is directly connected, Serial0/1
RA#trace
RA#traceroute 192.168.2.1
Type escape sequence to abort.
Tracing the route to 192.168.2.1

  1   192.168.1.2     31 msec   32 msec   31 msec  
RA#traceroute 192.168.2.2
Type escape sequence to abort.
Tracing the route to 192.168.2.2

  1   192.168.1.2     31 msec   32 msec   31 msec  
  2   192.168.2.2     46 msec   62 msec   47 msec  
RA#confi t
Enter configuration commands, one per line.  End with CNTL/Z.
RA(config)#int s0/0
RA(config-if)#shut

RA(config-if)#
%LINK-5-CHANGED: Interface Serial0/0, changed state to administratively down
%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0, changed state to downend

%SYS-5-CONFIG_I: Configured from console by consoleRA#
RA#
RA#traceroute 192.168.2.1
Type escape sequence to abort.
Tracing the route to 192.168.2.1

  1   192.168.3.1     31 msec   31 msec   31 msec  
  2   192.168.2.1     62 msec   62 msec   62 msec  
RA#traceroute 192.168.2.2
Type escape sequence to abort.
Tracing the route to 192.168.2.2

  1   192.168.3.1     31 msec   32 msec   31 msec  
RA#traceroute 192.168.2.2
Type escape sequence to abort.
Tracing the route to 192.168.2.2

  1   192.168.3.1     31 msec   32 msec   17 msec  
RA#