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拓扑图:
网络拓扑如图所示,网络由私网和公网构成,私网包括总部LAN和分公司LAN,请按以下要求完成配置。
1、按拓扑图标示要求设置各路由器主机名,特别地,总部交换机XYZ的主机名以自己姓名拼音第一字母命名,如刘德华即LDH(5分)
参考以下步骤,按照拓扑图标识分别配置各路由器、各交换机以及总部交换机的主机名。
命令格式:hostname 主机名
- 路由器:
- Router>en
- Router#conf t
- Enter configuration commands, one per line. End with CNTL/Z.
- Router(config)#hostname R0
- R0(config)#
- 交换机:
- Switch>en
- Switch#conf t
- Enter configuration commands, one per line. End with CNTL/Z.
- Switch(config)#hostname Sw1
- Sw1(config)#
- 总部交换机:
- Switch>en
- Switch#conf t
- Enter configuration commands, one per line. End with CNTL/Z.
- Switch(config)#hostname ZS
- ZS(config)#
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2、图中已给出各网段的网络号及掩码,请据此静态配置路由器各接口IP及所有PC或服务器IP(分公司LAN的PC的IP地址除外)(5分)
配置R0:
- R0>en
- R0#conf t
- Enter configuration commands, one per line. End with CNTL/Z.
- R0(config)#int f0/0
- R0(config-if)#ip add 192.168.1.9 255.255.255.252
- R0(config-if)#no sh
- R0(config-if)#
- %LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up
- R0(config-if)#int f0/1
- R0(config-if)#ip add 192.168.1.1 255.255.255.252
- R0(config-if)#no sh
- R0(config-if)#
- %LINK-5-CHANGED: Interface FastEthernet0/1, changed state to up
- %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to up
- R0(config-if)#int s0/0
- R0(config-if)#ip add 1.1.1.1 255.255.255.252
- R0(config-if)#no sh
- %LINK-5-CHANGED: Interface Serial0/0, changed state to down
- R0(config-if)#
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配置R1:
- R1>en
- R1#conf t
- Enter configuration commands, one per line. End with CNTL/Z.
- R1(config)#int f0/0
- R1(config-if)#ip add 192.168.1.5 255.255.255.252
- R1(config-if)#no sh
- R1(config-if)#
- %LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up
- R1(config-if)#int f0/1
- R1(config-if)#ip add 192.168.1.2 255.255.255.252
- R1(config-if)#no sh
- R1(config-if)#
- %LINK-5-CHANGED: Interface FastEthernet0/1, changed state to up
- R1(config-if)#int f1/0
- R1(config-if)#no sh
- R1(config-if)#
- %LINK-5-CHANGED: Interface FastEthernet1/0, changed state to up
- %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet1/0, changed state to up
- R1(config-if)#
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配置R2:
- R2>en
- R2#conf t
- Enter configuration commands, one per line. End with CNTL/Z.
- R2(config)#int f0/0
- R2(config-if)#ip add 192.168.1.10 255.255.255.252
- R2(config-if)#no sh
- R2(config-if)#
- %LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up
- %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up
- R2(config-if)#int f0/1
- R2(config-if)#ip add 192.168.1.6 255.255.255.252
- R2(config-if)#no sh
- R2(config-if)#
- %LINK-5-CHANGED: Interface FastEthernet0/1, changed state to up
- %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to up
- R2(config-if)#int s0/0
- R2(config-if)#ip add 172.16.1.1 255.255.255.252
- R2(config-if)#no sh
- %LINK-5-CHANGED: Interface Serial0/0, changed state to down
- R2(config-if)#
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配置R3:
- R3>en
- R3#conf t
- Enter configuration commands, one per line. End with CNTL/Z.
- R3(config)#int f0/0
- R3(config-if)#no sh
- R3(config-if)#
- %LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up
- %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up
- R3(config-if)#int s0/0
- R3(config-if)#ip add 172.16.1.2 255.255.255.252
- R3(config-if)#no sh
- R3(config-if)#
- %LINK-5-CHANGED: Interface Serial0/0, changed state to up
- R3(config-if)#
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配置R4:
- R4>en
- R4#conf t
- Enter configuration commands, one per line. End with CNTL/Z.
- R4(config)#int f0/0
- R4(config-if)#ip add 11.1.1.254 255.255.255.0
- R4(config-if)#no sh
- R4(config-if)#
- %LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up
- %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up
- R4(config-if)#int s0/0
- R4(config-if)#ip add 1.1.1.2 255.255.255.252
- R4(config-if)#no sh
- R4(config-if)#
- %LINK-5-CHANGED: Interface Serial0/0, changed state to up
- R4(config-if)#
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PC0配置:
PC1配置:
S0配置:
S1配置:
PC6配置:
S3配置:
3、在路由器R3上配置DHCP server,使得分公司LAN的PC的IP地址由DHCP server动态分配(10分)
命令格式:
排除地址:
ip dhcp excluded-address 需要排除的IP地址
创建一个地址池。
ip dhcp pool 地址池名称
以下为地址池参数命令:
设置地址池范围及网关。
network 子网地址(网段) 子网掩码
default-router 默认网关
配置R3:
- R3(config)#ip dhcp pool VLAN10
- R3(dhcp-config)#network 10.2.1.0 255.255.255.0
- R3(dhcp-config)#default-router 10.2.1.254
- R3(dhcp-config)#exit
- R3(config)#ip dhcp pool VLAN20
- R3(dhcp-config)#network 10.2.2.0 255.255.255.0
- R3(dhcp-config)#default-router 10.2.2.254
- R3(dhcp-config)#exit
- R3(config)#ip dhcp excluded-address 10.2.1.254
- R3(config)#ip dhcp excluded-address 10.2.2.254
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4、总部LAN划分成两个VLAN(VLAN10、VLAN20),完成相关配置使得VLAN之间互通(10分)
命令格式:
创建VLAN。
vlan VLAN编号
设置接口模式。
switchport mode 接口模式(access|trunk|dynamic)
接口划分VLAN。
switchport access vlan VLAN编号
配置Sw1:
- Sw1>en
- Sw1#conf t
- Enter configuration commands, one per line. End with CNTL/Z.
- Sw1(config)#vlan 10
- Sw1(config-vlan)#exit
- Sw1(config)#int range f0/1-2
- Sw1(config-if-range)#switchport mode access
- Sw1(config-if-range)#switchport access vlan 10
- Sw1(config-if-range)#exit
- Sw1(config)#
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配置Sw2:
- Sw2>en
- Sw2#conf t
- Enter configuration commands, one per line. End with CNTL/Z.
- Sw2(config)#vlan 20
- Sw2(config-vlan)#exit
- Sw2(config)#int range f0/1-2
- Sw2(config-if-range)#switchport mode access
- Sw2(config-if-range)#switchport access vlan 20
- Sw2(config-if-range)#exit
- Sw2(config)#
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配置总部交换机XYZ:
- ZS>en
- ZS#conf t
- Enter configuration commands, one per line. End with CNTL/Z.
- ZS(config)#vlan 10
- ZS(config-vlan)#vlan 20
- ZS(config-vlan)#exit
- ZS(config)#int f0/24
- ZS(config-if)#switchport mode trunk
- ZS(config-if)#
- %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/24, changed state to down
- %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/24, changed state to up
- ZS(config-if)#
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配置R1:
命令格式:
允许VLAN数据通过。
encapsulation dot1Q VLAN编号
- R1>en
- R1#conf t
- Enter configuration commands, one per line. End with CNTL/Z.
- R1(config)#int f1/0.10
- R1(config-subif)#
- %LINK-5-CHANGED: Interface FastEthernet1/0.10, changed state to up
- %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet1/0.10, changed state to up
- R1(config-subif)#encapsulation dot1Q 10
- R1(config-subif)#ip add 10.1.1.254 255.255.255.0
- R1(config-subif)#no sh
- R1(config-subif)#int f1/0.20
- R1(config-subif)#
- %LINK-5-CHANGED: Interface FastEthernet1/0.20, changed state to up
- %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet1/0.20, changed state to up
- R1(config-subif)#encapsulation dot1Q 20
- R1(config-subif)#ip add 10.1.2.254 255.255.255.0
- R1(config-subif)#no sh
- R1(config-subif)#exit
- R1(config)#
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验证PC0与S0、S1的连通性。
5、两个分公司LAN分别划分两个VLAN(VLAN10、VLAN20),完成相关配置,使得VLAN之间互通(10分)
配置Sw3:
- Sw3>en
- Sw3#conf t
- Enter configuration commands, one per line. End with CNTL/Z.
- Sw3(config)#vlan 10
- Sw3(config-vlan)#vlan 20
- Sw3(config-vlan)#exit
- Sw3(config)#int f0/1
- Sw3(config-if)#switchport mode access
- Sw3(config-if)#switchport access vlan 10
- Sw3(config-if)#int f0/2
- Sw3(config-if)#switchport mode access
- Sw3(config-if)#sw access vlan 20
- Sw3(config-if)#int ran f0/23-24
- Sw3(config-if-range)#switchport mode trunk
- Sw3(config-if-range)#exit
- Sw3(config)#
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配置Switch0:
- Switch0>en
- Switch0#conf t
- Enter configuration commands, one per line. End with CNTL/Z.
- Switch0(config)#vlan 10
- Switch0(config-vlan)#vlan 20
- Switch0(config-vlan)#exit
- Switch0(config)#int f0/1
- Switch0(config-if)#switchport mode access
- Switch0(config-if)#switchport access vlan 20
- Switch0(config-if)#int f0/2
- Switch0(config-if)#switchport mode access
- Switch0(config-if)#switchport access vlan 10
- Switch0(config-if)#int f0/24
- Switch0(config-if)#switchport mode trunk
- Switch0(config-if)#exit
- Switch0(config)#
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配置R3:
- R3>en
- R3#conf t
- Enter configuration commands, one per line. End with CNTL/Z.
- R3(config)#int f0/0.10
- R3(config-subif)#
- %LINK-5-CHANGED: Interface FastEthernet0/0.10, changed state to up
- %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0.10, changed state to up
- R3(config-subif)#encapsulation dot1Q 10
- R3(config-subif)#ip add 10.2.1.254 255.255.255.0
- R3(config-subif)#no sh
- R3(config-subif)#int f0/0.20
- R3(config-subif)#
- %LINK-5-CHANGED: Interface FastEthernet0/0.20, changed state to up
- %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0.20, changed state to up
- R3(config-subif)#encapsulation dot1Q 20
- R3(config-subif)#ip add 10.2.2.254 255.255.255.0
- R3(config-subif)#no sh
- R3(config-subif)#exit
- R3(config)#
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设置PC2、PC3、PC4、PC5为DHCP模式,成功获取IP地址。
测试子公司VLAN10与VLAN20的连通性:
6、在私网内配置OSPF协议,公网配置RIPv2协议,私网边界路由器R0下发默认路由到私网路由器(要求除边界路由器R0外,私网路由不能发布到公网路由器,公网路由不能发布到私网路由器)(20分)
配置R0:
- R0>en
- R0#conf t
- Enter configuration commands, one per line. End with CNTL/Z.
- R0(config)#router ospf 1
- R0(config-router)#router-id 1.1.1.1
- R0(config-router)#network 192.168.1.8 0.0.0.3 area 0
- R0(config-router)#network 192.168.1.0 0.0.0.3 area 0
- R0(config-router)#default-information originate
- R0(config-router)#exit
- R0(config)#ip route 0.0.0.0 0.0.0.0 s0/0
- R0(config)#
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配置R1:
- R1>en
- R1#conf t
- Enter configuration commands, one per line. End with CNTL/Z.
- R1(config)#router ospf 1
- R1(config-router)#router-id 2.2.2.2
- R1(config-router)#network 192.168.1.4 0.0.0.3 area 0
- R1(config-router)#network 192.168.1.0 0.0.0.3 area 0
- R1(config-router)#network 10.1.1.0 0.0.0.255 area 0
- R1(config-router)#network 10.1.2.0 0.0.0.255 area 0
- R1(config-router)#exit
- R1(config)#
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配置R2:
- R2>en
- R2#conf t
- Enter configuration commands, one per line. End with CNTL/Z.
- R2(config)#router ospf 1
- R2(config-router)#router-id 3.3.3.3
- R2(config-router)#network 192.168.1.4 0.0.0.3 area 0
- R2(config-router)#network 192.168.1.8 0.0.0.3 area 0
- R2(config-router)#network 172.16.1.0 0.0.0.3 area 0
- R2(config-router)#exit
- R2(config)#
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配置R3:
- R3>en
- R3#conf t
- Enter configuration commands, one per line. End with CNTL/Z.
- R3(config)#router ospf 1
- R3(config-router)#router-id 4.4.4.4
- R3(config-router)#network 172.16.1.0 0.0.0.3 area 0
- R3(config-router)#network 10.2.1.0 0.0.0.255 area 0
- R3(config-router)#network 10.2.2.0 0.0.0.255 area 0
- R3(config-router)#exit
- R3(config)#
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配置R4:
- R4>en
- R4#conf t
- Enter configuration commands, one per line. End with CNTL/Z.
- R4(config)#router rip
- R4(config-router)#version 2
- R4(config-router)#no auto-summary
- R4(config-router)#network 1.1.1.0
- R4(config-router)#network 11.1.1.0
- R4(config-router)#exit
- R4(config)#
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测试总部PC与分公司PC的连通性:
查看路由表:
- R0#show ip ospf database
- OSPF Router with ID (1.1.1.1) (Process ID 1)
- Router Link States (Area 0)
- Link ID ADV Router Age Seq# Checksum Link count
- 2.2.2.2 2.2.2.2 362 0x80000009 0x0071c8 4
- 1.1.1.1 1.1.1.1 356 0x80000005 0x00b4c4 2
- 3.3.3.3 3.3.3.3 274 0x80000006 0x00ff38 4
- 4.4.4.4 4.4.4.4 265 0x80000004 0x004a95 4
- Net Link States (Area 0)
- Link ID ADV Router Age Seq# Checksum
- 192.168.1.1 1.1.1.1 460 0x80000001 0x0079f3
- 192.168.1.5 2.2.2.2 362 0x80000001 0x0063f7
- 192.168.1.9 1.1.1.1 356 0x80000002 0x00f5fa
- Type-5 AS External Link States
- Link ID ADV Router Age Seq# Checksum Tag
- 0.0.0.0 1.1.1.1 545 0x80000001 0x00fecf 1
- R0#show ip route
- Codes: C - connected, S - static, I - IGRP, 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, E - EGP
- i - IS-IS, 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 0.0.0.0 to network 0.0.0.0
- 1.0.0.0/30 is subnetted, 1 subnets
- C 1.1.1.0 is directly connected, Serial0/0
- 10.0.0.0/24 is subnetted, 4 subnets
- O 10.1.1.0 [110/2] via 192.168.1.2, 00:07:44, FastEthernet0/1
- O 10.1.2.0 [110/2] via 192.168.1.2, 00:07:28, FastEthernet0/1
- O 10.2.1.0 [110/66] via 192.168.1.10, 00:04:27, FastEthernet0/0
- O 10.2.2.0 [110/66] via 192.168.1.10, 00:04:27, FastEthernet0/0
- 172.16.0.0/30 is subnetted, 1 subnets
- O 172.16.1.0 [110/65] via 192.168.1.10, 00:05:50, FastEthernet0/0
- 192.168.1.0/30 is subnetted, 3 subnets
- C 192.168.1.0 is directly connected, FastEthernet0/1
- O 192.168.1.4 [110/2] via 192.168.1.10, 00:05:50, FastEthernet0/0
- [110/2] via 192.168.1.2, 00:05:50, FastEthernet0/1
- C 192.168.1.8 is directly connected, FastEthernet0/0
- S* 0.0.0.0/0 is directly connected, Serial0/0
- R0#
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7、在分公司的路由器和交换机上分别配置虚拟终端VTY,使得总部PC能够以密码认证方式远程Telnet登录到分公司路由器,以账号、密码方式远程Telnet登录到分公司交换机进行管理,登录密码均为自己学号、账号为自己姓名拼音(10分)
配置Sw3:
- Sw3>en
- Sw3#conf t
- Enter configuration commands, one per line. End with CNTL/Z.
- Sw3(config)#vlan 99
- Sw3(config-vlan)#exit
- Sw3(config)#int vlan 99
- Sw3(config-if)#
- %LINK-5-CHANGED: Interface Vlan99, changed state to up
- %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan99, changed state to up
- Sw3(config-if)#ip add 10.2.99.1 255.255.255.0
- Sw3(config-if)#no sh
- Sw3(config-if)#exit
- Sw3(config)#user zhangsan privilege 15 password 88888888
- Sw3(config)#line vty 04
- Sw3(config-line)#login local
- Sw3(config-line)#exit
- Sw3(config)#
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配置Switch0:
- Switch0>en
- Switch0#conf t
- Enter configuration commands, one per line. End with CNTL/Z.
- Switch0(config)#vlan 99
- Switch0(config-vlan)#exit
- Switch0(config)#int vlan 99
- Switch0(config-if)#
- %LINK-5-CHANGED: Interface Vlan99, changed state to up
- %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan99, changed state to up
- Switch0(config-if)#ip add 10.2.99.2 255.255.255.0
- Switch0(config-if)#no sh
- Switch0(config-if)#exit
- Switch0(config)#line vty 0 4
- Switch0(config-line)#exit
- Switch0(config)#user zhangsan privilege 15 password 88888888
- Switch0(config)#line vty 0 4
- Switch0(config-line)#login local
- Switch0(config-line)#exit
- Switch0(config)#
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配置R3:
- R3>en
- R3#conf t
- Enter configuration commands, one per line. End with CNTL/Z.
- R3(config)#int f0/0.99
- R3(config-subif)#
- %LINK-5-CHANGED: Interface FastEthernet0/0.99, changed state to up
- %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0.99, changed state to up
- R3(config-subif)#encapsulation dot1Q 99
- R3(config-subif)#ip add 10.2.99.254 255.255.255.0
- R3(config-subif)#no sh
- R3(config-subif)#ex
- R3(config)#user zhangsan privilege 15 password 88888888
- R3(config)#line vty 0 4
- R3(config-line)#login local
- R3(config-line)#exit
- R3(config)#
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测试总部PC与R3的连通性,并通过Telnet远程连接R3。
连接上R3后,在其远程终端通过Telnet远程连接分公司的两台交换机。
8、在总部路由器R1上进行ACL包过滤配置,要求分公司VLAN10的PC只能访问总部服务器S0,VLAN20的PC只能以WEB方式访问S1,其它禁止(15分)
配置R1:
- R1>en
- R1#conf t
- Enter configuration commands, one per line. End with CNTL/Z.
- R1(config)#ip access-list extended ACL1
- R1(config-ext-nacl)#permit tcp 10.2.2.0 0.0.0.255 host 10.1.2.2 eq 80
- R1(config-ext-nacl)#permit tcp 10.2.2.0 0.0.0.255 host 10.1.2.2 eq 443
- R1(config-ext-nacl)#permit ip 10.2.1.0 0.0.0.255 host 10.1.2.1
- R1(config-ext-nacl)#deny ip 10.2.2.0 0.0.0.255 any
- R1(config-ext-nacl)#deny ip 10.2.1.0 0.0.0.255 any
- R1(config-ext-nacl)#permit ip any any
- R1(config-ext-nacl)#exit
- R1(config)#int ran f0/0-1
- R1(config-if-range)#ip access-group ACL1 in
- R1(config-if-range)#exit
- R1(config)#
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查看ACL表:
- R1#show ip access-lists
- Extended IP access list ACL1
- 10 permit ip 10.2.1.0 0.0.0.255 host 10.1.2.1 (4 match(es))
- 20 permit tcp 10.2.2.0 0.0.0.255 host 10.1.2.2 eq www (5 match(es))
- 30 permit tcp 10.2.2.0 0.0.0.255 host 10.1.2.2 eq 443
- 40 deny ip 10.2.2.0 0.0.0.255 any (12 match(es))
- 50 deny ip 10.2.1.0 0.0.0.255 any (12 match(es))
- 60 permit ip any any (48 match(es))
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测试连通性,分公司VLAN10只能访问总部S0:
分公司VLAN20只能通过Web访问S1:
S1-Web界面:
9、在私网与公网的边界路由器R0上进行PAT配置,使得总部用户可以访问公网,分公司都只有VLAN10的PC可以访问公网,PAT的转换公网地址是R0路由器连接公网的接口地址(15分)
配置R0:
- R0>en
- R0#conf t
- Enter configuration commands, one per line. End with CNTL/Z.
- R0(config)#ip access-list standard PAT
- R0(config-std-nacl)#permit 10.1.0.0 0.0.255.255
- R0(config-std-nacl)#permit 10.2.1.0 0.0.0.255
- R0(config-std-nacl)#exit
- R0(config)#ip nat inside source list PAT int s0/0 overload
- R0(config)#int s0/0
- R0(config-if)#ip nat outside
- R0(config-if)#int ran f0/0-1
- R0(config-if-range)#ip nat inside
- R0(config-if-range)#exit
- R0(config)#
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