ip classless
ip route 53.31.29.0 255.255.255.0 FastEthernet0/1 ip route 53.31.29.0 255.255.255.0 172.16.10.2 4、路由器A
RouterB(config)#inter f0/1
Router(config-if)#ip add 172.16.10.2 255.255.255.192 Router(config-if)#no shut Router(config-if)#exit Router(config)#inter f0/1
Router(config-if)#ip add 53.31.29.1 255.255.255.0 Router(config-if)#no shut //静态路由
Router(config)#ip route 0.0.0.0 0.0.0.0 172.16.10.62 //NAT转换
Router(config)#inte f0/1 Router(config-if)#ip nat outside Router(config-if)#exit Router(config)#inte f0/0 Router(config-if)#ip nat inside Router(config-if)#exit
Router(config)#access-list 100 deny tcp 172.16.10.0 255.255.255.0 host 53.31.29.5 eq www Router(config)#ip nat pool dynat 53.31.29.2 53.31.29.4 netmask 255.255.255.0 Router(config)#ip nat inside source list 100 pool dynat overload Router(config)#exit 5、配置交换机A为根桥
SwithchA(config)#spanning-tree mode pvst
SwithchA(config)#spanning-tree vlan 10,20,30,40 root primary 6、终端配置
Router(config)#hostname RouterA RouterA(config)#line console 0
RouterA(config-line)#login RouterA(config-line)#password 123 RouterA(config-line)#exit RouterA(config)#enable secret 456 RouterA(config)#line vty 0 4 RouterA(config-line)#login RouterA(config-line)#password 789 RouterA(config-line)#exit