组网要求:
1、AR1-AR2之间运行RIPv2;AR2-AR3之间运行OSPF;
2、在AR2上完成路由重发布的配置,使得全网的路由能够互通;
3、完成所有配置后,要求PC1与PC2能够互访。
一、eNSP实际操作视频:
二、主要知识点:
路由信息的重发布:
由于采用的算法不同,不同的路由协议可以发现不同的路由。当网络规模比较大,使用多种路由协议时,不同的路由协议间通常需要重发布各自发现的路由。
三、IP设置:
PC1:192.168.10.1/24
PC2:10.0.0.1/24
AR1:192.168.10.254/24,192.168.20.1/24
AR2:192.168.20.2/24,192.168.30.1/24
AR3:192.168.30.2/24,10.0.0.254/24
四、AR1的主要配置文件:
#
sysname AR1
#
interface GigabitEthernet0/0/0
ip address 192.168.10.254 255.255.255.0
#
interface GigabitEthernet0/0/1
ip address 192.168.20.1 255.255.255.0
#
rip 1
undo summary
version 2
network 192.168.10.0
network 192.168.20.0
#
return
五、AR2的主要配置文件:
#
sysname AR2
#
interface GigabitEthernet0/0/0
ip address 192.168.20.2 255.255.255.0
#
interface GigabitEthernet0/0/1
ip address 192.168.30.1 255.255.255.0
#
ospf 1
import-route rip 1 //将自己路由表中的RIP路由注入到OSPF域中
area 0.0.0.0
network 192.168.30.0 0.0.0.255
#
rip 1
undo summary
version 2
network 192.168.20.0
import-route ospf 1 //将自己路由表中的OSPF路由注入到RIP域中。
return
六、AR3的主要配置文件:
#
sysname AR3
#
interface GigabitEthernet0/0/0
ip address 192.168.30.2 255.255.255.0
#
interface GigabitEthernet0/0/1
ip address 10.0.0.254 255.255.255.0
#
interface GigabitEthernet0/0/2
#
interface NULL0
#
ospf 1
area 0.0.0.0
network 10.0.0.0 0.0.0.255
network 192.168.30.0 0.0.0.255
#
return
七、验证配置结果:
1、在AR1上查看路由表。
disp ip routing-table
Route Flags: R - relay, D - download to fib
------------------------------------------------------------------------------
Routing Tables: Public
Destinations : 12 Routes : 12
Destination/Mask Proto Pre Cost Flags NextHop Interface
10.0.0.0/24 RIP 100 1 D 192.168.20.2 GigabitEthernet
0/0/1
127.0.0.0/8 Direct 0 0 D 127.0.0.1 InLoopBack0
127.0.0.1/32 Direct 0 0 D 127.0.0.1 InLoopBack0
127.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
192.168.10.0/24 Direct 0 0 D 192.168.10.254 GigabitEthernet
0/0/0
192.168.10.254/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/0
192.168.10.255/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/0
192.168.20.0/24 Direct 0 0 D 192.168.20.1 GigabitEthernet
0/0/1
192.168.20.1/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/1
192.168.20.255/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/1
192.168.30.0/24 RIP 100 1 D 192.168.20.2 GigabitEthernet
0/0/1
255.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
从AR1的路由表可以看出,AR1已经学习到了10.0.0.0/24及192.168.30.0/24这两条路由。
2、在AR3上查看路由表。
disp ip rout
Route Flags: R - relay, D - download to fib
------------------------------------------------------------------------------
Routing Tables: Public
Destinations : 12 Routes : 12
Destination/Mask Proto Pre Cost Flags NextHop Interface
10.0.0.0/24 Direct 0 0 D 10.0.0.254 GigabitEthernet
0/0/1
10.0.0.254/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/1
10.0.0.255/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/1
127.0.0.0/8 Direct 0 0 D 127.0.0.1 InLoopBack0
127.0.0.1/32 Direct 0 0 D 127.0.0.1 InLoopBack0
127.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
192.168.10.0/24 O_ASE 150 1 D 192.168.30.1 GigabitEthernet
0/0/0
192.168.20.0/24 O_ASE 150 1 D 192.168.30.1 GigabitEthernet
0/0/0
192.168.30.0/24 Direct 0 0 D 192.168.30.2 GigabitEthernet
0/0/0
192.168.30.2/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/0
192.168.30.255/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/0
255.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
从上面的输出可以看出,AR3已经学习到两条OSPF外部路由:192.168.10.0/24及192.168.20.0/24。路由的Protocol字段显示为O_ASE,表示这是OSPF的AS外部路由。
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