路由器配置命令
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路由器的配置模式
用户模式:Router>
特权模式:Router#
全局配置模式:Router(config)#
接口配置模式:Router(config-if)#
子接口配置模式: Router(config)#interface fa0/0.1
Router(config-subif)#
Line模式:Router(config-line)#
路由模式:Router(config-router)#
静态路由的配置
Router A>enable
Router A#config terminal
Router A(config) #interface f0/0
Router A(config-if) #ip address 192.168.2.2 255.255.255.0
Router A(config-if)#no shutdown
Router A(config-if)#exit
Router A(config)#ip route 192.168.1.0 255.255.255.0 192.168.2.1
默认路由的配置
Router B>enable
Router B#config terminal
Router B(config) #interface f0/1
Router B(config-if) #ip address 192.168.2.1 255.255.255.0
Router B(config-if)#no shutdown
Router B(config-if)#exit
Router B(config) #interface f0/0
Router B(config-if) #ip address 192.168.1.1 255.255.255.0
Router B(config-if)#no shutdown
Router B(config-if)#exit
Router B(config)#ip route 0.0.0.0 0.0.0.0 192.168.2.2
查看路由表
RouterA#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
S 192.168.1.0/24 [1/0] via 192.168.2.1
C 192.168.2.0/24 is directly connected, FastEthernet0/0
RouterA#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
S 192.168.1.0/24 [1/0] via 192.168.2.1
C 192.168.2.0/24 is directly connected, FastEthernet0/0
配置路由器的控制台会话
配置控制台会话时间
teacher(config)#line console 0
teacher(config_line)#exec-timeout 0 0
配置控制台输出日志同步
teacher(config)#line console 0
teacher(config_line)#logging synchronous
配置禁用DNS
teacher(config)#no ip domain-lookup
路由器与交换机之间的单臂路由
Router(config)# interface f0/0.1
Router(config-subif)# encapsolution dot1q 1
Router(config-subif)# ip address 192.168.1.1 255.255.255.0
Router(config)# interface f0/0.2
Router(config-subif)# encapsolution dot1q 2
Router(config-subif)# ip address 192.168.2.1 255.255.255.0