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1、三网CCNA综合实验说明：1：所有设备有环回口的地址没有配置在路由器上，需要自己掩码是/32位2：SZ路由器的G0/1口IP 址址没有配置。3：其它PC机，路由器的互连均配置了IP地址，请用ping ，show cdp neighbors，show ip interface brief检查，地址配置，直连能否ping能。一、需求：SZ1：配置单臂路由，使192.168.3.100能够ping 通192.168.2.100SZR1配置子接口：SZR1#conf tSZR1(config)#interfaceGigabitEthernet0/0SZR1(config-if)#no shutdown
2、!SZR1(config)#interface GigabitEthernet0/0.2SZR1(config-if)#encapsulation dot1Q 2SZR1(config-if)#ip address 192.168.2.254 255.255.255.0!SZR1(config)#interface GigabitEthernet0/0.3SZR1(config-if)#encapsulation dot1Q 3SZR1(config-if)#ip address 192.168.3.254 255.255.255.0SZSW1配置：Switch#conf terminal S
3、witch(config)#interface FastEthernet0/1Switch(config-if)#switchport mode trunkSwitch(config)#vlan 3Switch(config)#vlan 2Switch(config)#interface F0/3Switch(config-if)#switchport mode accessSwitch(config-if)#switchport access vlan 2Switch(config-if)#spanning-tree portfastSwitch(config)#interface F0/2
4、Switch(config-if)#switchport mode accessSwitch(config-if)#switchport access vlan 3Switch(config-if)#spanning-tree portfast在192.168.3.100上面进行测试2：NAT2.1：使用PAT技术,SZ内网访问58.1.1.2 源地址是58.2.2.2SZR1配置：SZR1#conf tSZR1(config)#interface g0/1SZR1(config-if)#ip address 58.2.2.2 255.255.255.248定义内外网口interface Gi
5、gabitEthernet0/0.2ip nat insideinterface GigabitEthernet0/0.3ip nat insideinterface GigabitEthernet0/1ip nat outside定义内网网段access-list 1 permit 192.168.3.0 0.0.0.255access-list 1 permit 192.168.2.0 0.0.0.255配置NATPATip nat inside source list 1 interface GigabitEthernet0/1 overload2.2：外网访问58.2.2.3 映射服务
6、器192.168.2.100配置NATPATSZR1(config)#ip nat inside source static 192.168.2.100 58.2.2.3二、需求：R1与R2之间使用RIP v2, 把默认路由重分布进RIP1：关闭自动汇总2：禁用不需要RIP发送信息的端口查看：配置SZR1,启用RIPv2:router ripversion 2redistribute static passive-interface defaultno passive-interface GigabitEthernet0/2network 1.0.0.0network 192.168.2.0n
7、etwork 192.168.3.0no auto-summary配置R2,启用RIPv2:router ripversion 2redistribute eigrp 23 metric 3 passive-interface defaultno passive-interface GigabitEthernet0/1network 1.0.0.0network 2.0.0.0no auto-summary配置SZR1,重分布静态:router ripredistribute static三、需求： R2 所接网络使用DHCP自动获取地址，R2为DHCP 服务器。R2配置：R2(config)
8、#ip dhcp pool R2R2(dhcp-config)#network 10.1.1.0 255.255.255.0R2(dhcp-config)#default-router 10.1.1.254R2(dhcp-config)#dns-server 8.8.8.8R2(config)#ip dhcp excluded-address 10.1.1.254R2(config)#interface GigabitEthernet0/2ip address 10.1.1.254 255.255.255.0no shutdown验证：四、需求： R2 与R3之间使用EIGRP,AS号为23R
9、2：router eigrp 23network 1.1.23.2 0.0.0.0network 1.1.32.2 0.0.0.0network 22.22.22.22 0.0.0.0R3：router eigrp 23network 1.1.23.3 0.0.0.0network 1.1.32.3 0.0.0.0network 3.3.3.3 0.0.0.0 1：使用不等价负载，看到两条线路18倍R2：router eigrp 23variance 18R3：router eigrp 23variance 18R2：R3：2：PPP PAP双向认证。R2R2(config)#int s0/0
10、/0R2(config-if)#ppp authentication pap R2(config-if)#ppp pap sent-username R2 password ciscoR3：R3(config)#int s0/0/0R3(config-if)#ppp authentication pap R3(config-if)#ppp pap sent-username R3 PASsword cisco测试R2与R3 S0/0/0是否可以ping通五、需求： R3与R4之跑OSPF，R4与SW1,SW2之间跑OSPFR3：router ospf 1network 1.1.34.3 0.0
11、.0.0 area 0R4：router ospf 1network 1.1.34.4 0.0.0.0 area 0network 4.4.4.4 0.0.0.0 area 0network 1.1.45.4 0.0.0.0 area 1network 1.1.46.4 0.0.0.0 area 2SW1：Ip routingrouter ospf 1network 5.5.5.5 0.0.0.0 area 1network 1.1.45.5 0.0.0.0 area 1network 172.16.2.0 0.0.0.255 area 1SW2：Ip routingrouter ospf 1
12、network 6.6.6.6 0.0.0.0 area 2network 1.1.46.6 0.0.0.0 area 2network 172.16.3.0 0.0.0.255 area 21：SW1与SW2之间跑TRUNK，channel ON模式SW1:SW1(config)#Vlan2SW1(config)#Vlan3interface FastEthernet0/2channel-group 1 mode oninterface FastEthernet0/3channel-group 1 mode oninterface Port-channel 1switchport trunk
13、 encapsulation dot1qswitchport mode trunk!SW2:SW2(config)#Vlan2SW2(config)#Vlan3interface FastEthernet0/2channel-group 1 mode oninterface FastEthernet0/3channel-group 1 mode oninterface Port-channel 1switchport trunk encapsulation dot1qswitchport mode trunk2：SW1是VLAN2 根，SW2是VLAN3根SW1:spanning-tree v
14、lan 2 root primaryspanning-tree vlan 3 root secondarySW2:spanning-tree vlan 2 root secondary spanning-tree vlan 3 root primary3：L3与L2 这间跑TRUNK，SW1,SW2与接入换机互连均配置TRUNKinterface FX/Xswitchport mode trunk4：VLAN2,VLAN3使用HSRPSW1:interface Vlan2ip address 172.16.2.252 255.255.255.0standby version 2standby 2 ip 172.16.2.254standby 2 priority 120standby 2 preempt!interface Vlan3ip address 172.16.3.252 255.255.255.0standby version 2standby 3 ip 172.16.3.254standby 3 preemptSW2:interface Vlan2ip address 172.16.2.252 255.255.255.0standby version 2standby 2 ip 172.16.2
