1、1、配置R4、R5下单臂路由2、R1-R5各个接口配置IP3、R1-R5分别配置ospf4、ping测试S1命令sysvl 10vl 20int e0/0/1port link-type accessport defaul vl 10int e0/0/2port defaul vl 20int g0/0/1port link-type trunkport trunk allow-pass vl 10 20S2命令vl 30vl 40port defaul vl 30port defaul vl 40port trunk allow-pass vl 30 40R4配置单臂路由命令int g0/0
2、/1.10ip address 192.168.10.254 24dot1q termination vid 10arp broadcast enable int g0/0/1.20ip address 192.168.20.254 24dot1q termination vid 20arp broadcast enableqint g0/0/3ip add 192.168.1.2 24R5配置单臂路由命令int g0/0/1.30ip address 192.168.30.254 24dot1q termination vid 30q int g0/0/1.40ip address 192.
3、168.40.254 24dot1q termination vid 40int g0/0/2ip add 192.168.4.2 24R1命令ip add 192.168.1.3 24int g0/0/0ip add 192.168.2.2 24ospf 1 router-id 1.1.1.1area 0.0.0.0network 192.168.2.0 0.0.0.255area 0.0.0.1network 192.168.1.0 0.0.0.255R2命令ip add 192.168.2.3 24ip add 192.168.3.2 24ospf 1 router-id 2.2.2.2
4、network 192.168.3.0 0.0.0.255R3命令ip add 192.168.3.3 24ip add 192.168.4.3 24ospf 1 router-id 3.3.3.3area 0.0.0.2network 192.168.4.0 0.0.0.255R4配置ospf命令ospf 1 router-id 4.4.4.4network 192.168.10.0 0.0.0.255network 192.168.20.0 0.0.0.255R5配置ospf命令ospf 1 router-id 5.5.5.5network 192.168.30.0 0.0.0.255network 192.168.40.0 0.0.0.255ping测试 R4ping 30网段测试 R1pingR3测试 20网段ping30网段测试