0x0 拓扑图

  • 需求
    1. PPPOE服务器为设置202.100.1.2/24
    2. 要求客户端可以使用PPPOE服务获取IP
    3. 要求使用chap认证
    4. 每个局域网使用DHCP服务获取IP
    5. 再局域网出口做一个NAT地址转换，使用公网地址对外网进行转换

0x1 指令配置

  • PPPOE Server 
    ip pool pppoe
 network 202.100.1.0 mask 255.255.255.0 
 excluded-ip-address 202.100.1.2 
 dns-list 8.8.8.8
local-user lcy2218 password cipher 2218
 local-user lcy2218 service-type ppp
interface Virtual-Template1
 remote address pool pppoe
 ppp authentication-mode chap
 ip address 202.100.1.2 255.255.255.0 
interface GigabitEthernet0/0/0
 pppoe-server bind Virtual-Template 1
interface LoopBack1
 ip address 9.9.9.9 255.255.255.0
  • PPPOE Client1 
    dhcp enable
ip pool dhcp_pool //内网DHCP地址池
 gateway-list 192.168.1.254 
 network 192.168.1.0 mask 255.255.255.0  
 dns-list 8.8.8.8
interface GigabitEthernet0/0/1
 ip address 192.168.1.254 255.255.255.0  //内网网关
 dhcp select global
acl number 2000  //内网上公网使用easy ip
 rule 5 permit source 192.168.1.0 0.0.0.255
ip route-static 0.0.0.0 0.0.0.0 202.100.1.2 //静态路由
interface Dialer1
 link-protocol ppp //使用PPP协议
 ppp chap user lcy2218
 ppp chap password cipher 2218
 ip address ppp-negotiate //拨号接口地址从pppoe的服务器写上得到
 dialer user lcy2218  //标识
 dialer bundle 1 // #指定dialer 1 接口的编号
 nat outbound 2000 
dialer-rule
 dialer-rule 1 ip permit
interface GigabitEthernet0/0/0//#将pppoe拨号接口绑定到出接口
 pppoe-client dial-bundle-number 1
  • PPPOE Client2 
    dhcp enable
ip pool dhcp_pool
 gateway-list 192.168.2.254 
 network 192.168.2.0 mask 255.255.255.0 
 dns-list 114.114.114.114 
interface GigabitEthernet0/0/1
 ip address 192.168.1.254 255.255.255.0 
 dhcp select global
ip route-static 0.0.0.0 0.0.0.0 202.100.1.2
acl number 2000  
 rule 5 permit source 192.168.2.0 0.0.0.255 
interface Dialer1
 link-protocol ppp
 ppp chap user lcy2219
 ppp chap password cipher 2219
 ip address ppp-negotiate
 dialer user lcy2219
 dialer bundle 1
 nat outbound 2000
dialer-rule
 dialer-rule 1 ip permit
interface GigabitEthernet0/0/0
 pppoe-client dial-bundle-number 1

0x2 连通性配置

  • client1拨号上网

  • PC2 获取地址

  • PC2 访问回环地址9.9.9.9