要求说明：按拓扑配置主机名和IP地址总公司配置单臂路由使VLAN互通，子接口ID和VLAN ID一致，IP地址网络第一个可用地址，做相应的配置分公司配置三层交换使VLAN间互通，VLANIF 的IP地址网络第一个可用地址，三层交换机使用VLANIF 100和R2通信，做相应配置R1、R2和3LSW 配置OSPF路由协议使全网互通测试PC机之间的连通性实验步骤基础配置：首先按照拓扑显示，为每台设备设置名称和IPAR1：
system-viewsysname AR1AR2：
system-viewsysname AR23LSW：
system-viewsysname 3LSWSW1：
system-viewsysname SW1SW2：
system-viewsysname SW2按照题意可得知，每个VLAN的网关为此网段的第一个可用IPPC1：
192.168.10.1PC2：
192。168.20.1PC3：
172.16.30.1PC4：
172.16.40.1总公司-单臂路由：SW1：
vlan batch 10 20int g0/0/11port link-type accessport default vlan 10int g0/0/12port link-type accessport default vlan 20int g0/0/1port link-type trunkport trunk allow-pass vlan allAR1：
int g0/0/0.10ip add 192.168.10.1 24//配置网关dot1q termination vid 10//配置VLAN IDarp broadcast enable//开启子接口int g0/0/0.20ip add 192.168.20.1 24dot1q termination vid 20arp broadcast enable测试：
//PC1 PING PC2PC>ping 192.168.20.2Ping 192.168.20.2: 32 data bytes, Press Ctrl_C to breakFrom 192.168.20.2: bytes=32 seq=1 ttl=127 time=62 msFrom 192.168.20.2: bytes=32 seq=2 ttl=127 time=78 msFrom 192.168.20.2: bytes=32 seq=3 ttl=127 time=78 msFrom 192.168.20.2: bytes=32 seq=4 ttl=127 time=63 msFrom 192.168.20.2: bytes=32 seq=5 ttl=127 time=78 ms--- 192.168.20.2 ping statistics --- 5 packet(s) transmitted 5 packet(s) received 0.00% packet loss round-trip min/avg/max = 62/71/78 ms分公司-三层VLAN间互通：SW2：
vlan batch 30 40int g0/0/3port link-type accessport default vlan 30int g0/0/4port link-type accessport default vlan 40int g0/0/1port link-type trunkport trunk allow-pass vlan all3LSW：
vlan batch 30 40int g0/0/2port link-type trunkport trunk allow-pass vlan allint vlanif 30ip add 172.16.30.1 24int vlanif 40ip add 172.16.40.1 24测试：
//PC3 PING PC4PC>ping 172.16.40.1Ping 172.16.40.1: 32 data bytes, Press Ctrl_C to breakFrom 172.16.40.1: bytes=32 seq=1 ttl=255 time=47 msFrom 172.16.40.1: bytes=32 seq=2 ttl=255 time=47 msFrom 172.16.40.1: bytes=32 seq=3 ttl=255 time=47 msFrom 172.16.40.1: bytes=32 seq=4 ttl=255 time=31 msFrom 172.16.40.1: bytes=32 seq=5 ttl=255 time=31 ms--- 172.16.40.1 ping statistics --- 5 packet(s) transmitted 5 packet(s) received 0.00% packet loss round-trip min/avg/max = 31/40/47 msOSPF全网互通：3LSW：
vlan batch 100int vlanif 100ip add 2.2.2.2 30int g0/0/1port link-type accessport default vlan 100AR2：
int g0/0/0ip add 2.2.2.1 30测试：
//3LSW PING AR2ping 2.2.2.1 PING 2.2.2.1: 56 data bytes, press CTRL_C to breakReply from 2.2.2.1: bytes=56 Sequence=1 ttl=255 time=80 msReply from 2.2.2.1: bytes=56 Sequence=2 ttl=255 time=50 msReply from 2.2.2.1: bytes=56 Sequence=3 ttl=255 time=50 msReply from 2.2.2.1: bytes=56 Sequence=4 ttl=255 time=40 msReply from 2.2.2.1: bytes=56 Sequence=5 ttl=255 time=10 ms --- 2.2.2.1 ping statistics ---5 packet(s) transmitted5 packet(s) received0.00% packet lossround-trip min/avg/max = 10/46/80 ms以上两步是为了三层交换机与路由器进行通信，接下来进行OSPF配置，使全网互通
3LSW：
ospfarea 0net 172.16.30.0 0.0.0.255//宣告网络net 172.16.40.0 0.0.0.255net 2.2.2.0 0.0.0.3AR2：
int g0/0/1ip add 1.1.1.2 30ospfarea 0net 1.1.1.0 0.0.0.3net 2.2.2.0 0.0.0.3AR3：
int g0/0/1ip add 1.1.1.1 30ospfarea 0net 1.1.1.0 0.0.0.3测试：
//PC1 PING PC3PC>ping 172.16.30.2Ping 172.16.30.2: 32 data bytes, Press Ctrl_C to breakRequest timeout!From 172.16.30.2: bytes=32 seq=2 ttl=125 time=109 msFrom 172.16.30.2: bytes=32 seq=3 ttl=125 time=125 msFrom 172.16.30.2: bytes=32 seq=4 ttl=125 time=94 msFrom 172.16.30.2: bytes=32 seq=5 ttl=125 time=62 ms--- 172.16.30.2 ping statistics --- 5 packet(s) transmitted 4 packet(s) received 20.00% packet loss round-trip min/avg/max = 0/97/125 ms//PC4 PING PC1PC>ping 192.168.10.2Ping 192.168.10.2: 32 data bytes, Press Ctrl_C to breakFrom 192.168.10.2: bytes=32 seq=1 ttl=125 time=109 msFrom 192.168.10.2: bytes=32 seq=2 ttl=125 time=94 msFrom 192.168.10.2: bytes=32 seq=3 ttl=125 time=109 msFrom 192.168.10.2: bytes=32 seq=4 ttl=125 time=94 msFrom 192.168.10.2: bytes=32 seq=5 ttl=125 time=94 ms--- 192.168.10.2 ping statistics --- 5 packet(s) transmitted 5 packet(s) received 0.00% packet loss round-trip min/avg/max = 94/100/109 ms实验总结：在本次实验中主要考核单臂路由、三层交换机VLAN间通信和OSPF路由协议
实验文件下载 ：网络设备配置与安全