网络的组网拓扑是一台客户机(PC)连接企业出口宽带路由器(R1)和PPPOE服务器(R2),三台设备组成一个链式网络。下面主要是给大家介绍PPPOE拨号的配置方法,对已一些基本的设置方法也会有提及,了解了这个实验,能巩固大家头脑里的联网知识。 三台设备的IP地址规划如下: 客户机PC:192.168.1.1 255.255.255.0 R2 Router>en Router#conf t Router(config)#hostname R2 R2(config)#vpdn enable R2(config)#vpdn-group 1 R2(config-vpdn)#accept-dialin R2(config-vpdn-acc-in)#protocol pppoe R2(config-vpdn-acc-in)#virtual-template 1 http://www.luyouqiwang.com/14249/ R2(config-vpdn-acc-in)#end R2#conf t R2(config)#int virtual-template 1 R2(config-if)#ip address 1.1.1.1 255.255.255.0 R2(config-if)#encapsulation ppp R2(config-if)#peer default ip address pool xiaowu R2(config-if)#ppp authentication pap R2(config-if)#no sh R2(config-if)#exit R2(config)#ip local pool xiaowu 100.1.1.1 100.1.1.100 R2(config)#username xiaowu password xiaowu R2(config)#int f1/0 R2(config-if)#pppoe enable R2(config-if)#no sh R2(config-if)#end R2# 观察路由表 R1 R1#show ip route *Mar 28 13:36:57.495: %SYS-5-CONFIG_I: Configured from console by console 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 1.0.0.0/32 is subnetted, 1 subnets C 1.1.1.1 is directly connected, Dialer1 100.0.0.0/32 is subnetted, 1 subnets C 100.1.1.1 is directly connected, Dialer1 C 192.168.1.0/24 is directly connected, FastEthernet0/0 R1# =========================================================== R2 R2#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 1.0.0.0/24 is subnetted, 1 subnets C 1.1.1.0 is directly connected, Virtual-Access1.1 100.0.0.0/32 is subnetted, 1 subnets C 100.1.1.1 is directly connected, Virtual-Access1.1 R2# 我们所配置100.0.0.0网段已经被注入到对方,这就是PPP的一个特点,连接PPP的一条线路的两端无需是同一个网段,NCP会自动将对端注入到路由之中。当然,这样配置完成仅仅是拨号成功,客户端依然不能上网,需要做NAT,准确的说是PAT,这里面就不做演示了。 |
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