CCNP Day1 静态路由

1、路由复习

2、R1配置

R1>enable
R1#config t
Enter configuration commands, one per line.  End with CNTL/Z.
R1(config)#interface f0/0
R1(config-if)#ip add
R1(config-if)#ip address 172.168.12.1 255.255.255.0
R1(config-if)#no shu

R1#show ip interface brief 
Interface                  IP-Address      OK? Method Status                Protocol
FastEthernet0/0            172.168.12.1    YES manual up                    up      
Serial1/0                  unassigned      YES unset  administratively down down    
Serial1/1                  unassigned      YES unset  administratively down down    
Serial1/2                  unassigned      YES unset  administratively down down    
Serial1/3                  unassigned      YES unset  administratively down down    
R1#ping 172.168.12.1

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 172.168.12.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/4 ms
R1#ping 172.168.12.2

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 172.168.12.2, timeout is 2 seconds:
.!!!!
Success rate is 80 percent (4/5), round-trip min/avg/max = 24/29/32 ms
R1#

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, 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

     172.168.0.0/24 is subnetted, 1 subnets
C       172.168.12.0 is directly connected, FastEthernet0/0             /***直链路由***/
R1#

3、R2配置

R2>
R2>enable
R2#config t
Enter configuration commands, one per line.  End with CNTL/Z.
R2(config)#int
R2(config)#interface f0/0
R2(config-if)#ip address 172.168.12.2 255.255.255.0
R2(config-if)#exit
R2(config)#int
R2(config)#interface S1/0
R2(config-if)#ip add
R2(config-if)#ip address 192.168.23.1 255.255.255.0
R2(config-if)#no shutdown 
R2(config-if)#
*Nov 22 14:34:15.719: %LINK-3-UPDOWN: Interface Serial1/0, changed state to up
*Nov 22 14:34:16.719: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial1/0, changed state to up
R2(config-if)#
*Nov 22 14:34:40.211: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial1/0, changed state to down
R2(config-if)#
*Nov 22 14:35:00.199: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial1/0, changed state to up
R2(config-if)#
R2(config-if)#
R2(config-if)#end
R2#show int
R2#show interfaces 
*Nov 22 14:42:44.931: %SYS-5-CONFIG_I: Configured from console by console

R2#show ip interface brief 
Interface                  IP-Address      OK? Method Status                Protocol
FastEthernet0/0            172.168.12.2    YES manual administratively down down    
Serial1/0                  192.168.23.1    YES manual up                    up      
Serial1/1                  unassigned      YES unset  administratively down down    
Serial1/2                  unassigned      YES unset  administratively down down    
Serial1/3                  unassigned      YES unset  administratively down down    
R2#
R2#
R2#
R2#config t
Enter configuration commands, one per line.  End with CNTL/Z.
R2(config)#int
R2(config)#interface f0/0
R2(config-if)#shutdown 
R2(config-if)#no shu
R2(config-if)#no shutdown 
R2(config-if)#end
*Nov 22 14:43:41.163: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up
*Nov 22 14:43:42.163: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up
R2(config-if)#end
R2#show ip 
*Nov 22 14:43:43.047: %SYS-5-CONFIG_I: Configured from console by console
R2#show ip int
R2#show ip interface br
R2#show ip interface brief 
Interface                  IP-Address      OK? Method Status                Protocol
FastEthernet0/0            172.168.12.2    YES manual up                    up      
Serial1/0                  192.168.23.1    YES manual up                    up      
Serial1/1                  unassigned      YES unset  administratively down down    
Serial1/2                  unassigned      YES unset  administratively down down    
Serial1/3                  unassigned      YES unset  administratively down down    
R2#ping 172.168.12.1

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 172.168.12.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 24/29/32 ms
R2#ping 172.168.12.1192.168.23.2
% Unrecognized host or address, or protocol not running.

R2#ping 192.168.23.2            

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.23.2, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 28/32/36 ms
R2#

R2#
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, 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

     172.168.0.0/24 is subnetted, 1 subnets
C       172.168.12.0 is directly connected, FastEthernet0/0
C    192.168.23.0/24 is directly connected, Serial1/0
R2#

4、R3配置

R3>
R3>enable
R3#config t
Enter configuration commands, one per line.  End with CNTL/Z.
R3(config)#int
R3(config)#interface S1/0
R3(config-if)#ip add
R3(config-if)#ip address 192.168.23.2 255.255.255.0
R3(config-if)#no shu
R3(config-if)#no shutdown 
R3(config-if)#
R3(config-if)#
R3(config-if)#
R3(config-if)#exit
R3(config)#
*Nov 22 14:34:48.759: %LINK-3-UPDOWN: Interface Serial1/0, changed state to up
*Nov 22 14:34:49.759: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial1/0, changed state to up
R3(config)#int
R3(config)#interface l
R3(config)#interface loopback 0
R3(config-if)#ip add
R3(config-if)#ip address 3.3.3.3 255.255.255.0
R3(config-if)#no shu
R3(config-if)#no shutdown 
R3(config-if)#
R3(config-if)#
R3(config-if)#
R3(config-if)#ping 3.3.3.3
              ^
% Invalid input detected at '^' marker.

R3(config-if)#end
R3#ping 
*Nov 22 14:44:49.223: %SYS-5-CONFIG_I: Configured from console by console
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
R3#show ip int
R3#show ip interface brief 
Interface                  IP-Address      OK? Method Status                Protocol
FastEthernet0/0            unassigned      YES unset  administratively down down    
Serial1/0                  192.168.23.2    YES manual up                    up      
Serial1/1                  unassigned      YES unset  administratively down down    
Serial1/2                  unassigned      YES unset  administratively down down    
Serial1/3                  unassigned      YES unset  administratively down down    
Loopback0                  3.3.3.3         YES manual up                    up      
R3#ping 192.168.23.1

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.23.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 24/30/36 ms
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, 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

     3.0.0.0/24 is subnetted, 1 subnets
C       3.3.3.0 is directly connected, Loopback0
C    192.168.23.0/24 is directly connected, Serial1/0
R3#

5、发现问题，R1到R3的Loopback 0 不通，添加一条静态路由

R1#ping 192.168.23.1 

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.23.1, timeout is 2 seconds:
.....
Success rate is 0 percent (0/5)
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)
R1#

6、发现问题，R1到R3的Loopback 0 不通

R1(config)#ip route 3.3.3.0 255.255.255.0 172.168.12.2

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, 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

     3.0.0.0/24 is subnetted, 1 subnets
S       3.3.3.0 [1/0] via 172.168.12.2
     172.168.0.0/24 is subnetted, 1 subnets
C       172.168.12.0 is directly connected, FastEthernet0/0
R1#

R1(config)#ip route 192.168.23.0 255.255.255.0 172.168.12.2
R1(config)#exit

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, 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

3.0.0.0/24 is subnetted, 1 subnets
S 3.3.3.0 [1/0] via 172.168.12.2
172.168.0.0/24 is subnetted, 1 subnets
C 172.168.12.0 is directly connected, FastEthernet0/0
S 192.168.23.0/24 [1/0] via 172.168.12.2
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 100 percent (5/5), round-trip min/avg/max = 56/65/76 ms
R1#

R2(config)#ip route 3.3.3.0 255.255.255.0 192.168.23.2

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, 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

3.0.0.0/24 is subnetted, 1 subnets
S 3.3.3.0 [1/0] via 192.168.23.2
172.168.0.0/24 is subnetted, 1 subnets
C 172.168.12.0 is directly connected, FastEthernet0/0
C 192.168.23.0/24 is directly connected, Serial1/0
R2#

添加回包路由

R3#config t
Enter configuration commands, one per line. End with CNTL/Z.
R3(config)#ip route 172.168.12.0 255.255.255.0 s1/0
R3(config)#end
R3#show ip
*Nov 22 15:13:38.443: %SYS-5-CONFIG_I: Configured from console by console
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, 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

3.0.0.0/24 is subnetted, 1 subnets
C 3.3.3.0 is directly connected, Loopback0
172.168.0.0/24 is subnetted, 1 subnets
S 172.168.12.0 is directly connected, Serial1/0
C 192.168.23.0/24 is directly connected, Serial1/0
R3#

实验结论：配置静态路由，优先选择下一跳IP地址；其次选择出接口，如果选择出接口时，要确保对端代理ARP功能开启；
在一个网络总，除了自己直链路由外，需要拥有所有非直链路由条目，才能实现全网互通。

posted @ 2022-11-22 09:16 倔犟的石头阅读(87) 评论(0) 收藏举报

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CCNP Day1 静态路由

1、路由复习

2、R1配置

3、R2配置

4、R3配置

5、发现问题，R1到R3的Loopback 0 不通，添加一条静态路由

6、发现问题，R1到R3的Loopback 0 不通

添加回包路由

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