实验拓扑图
实验环境
R4 作为 DHCP 服务器, R1,R2 上做中继服务, 实现不同网段的 pc 获取地址
1, 配置 sw 交换机
- <Huawei>sys ## 进入系统视图模式
- [Huawei]sysname SW1 ## 修改名字
- [SW1]vlan bat 10 20 ## 创建 vlan10 20
- Info: This operation may take a few seconds. Please wait for a moment...done.
- [SW1]int e0/0/1 ## 进接口
- [SW1-Ethernet0/0/1]port link-type access ## 配置为 access 口
- [SW1-Ethernet0/0/1]port default vlan 10 ## 将接口放到 vlan10 中
- [SW1-Ethernet0/0/1]un sh ## 开启
- [SW1-Ethernet0/0/1]int e0/0/2 ##e0/0/2 接口
- [SW1-Ethernet0/0/2]port link-type access
- [SW1-Ethernet0/0/2]port default vlan 20 ## 放到 vlan20 中
- [SW1-Ethernet0/0/2]un sh
- [SW1-Ethernet0/0/2]int e0/0/3
- [SW1-Ethernet0/0/3]port link-type access
- [SW1-Ethernet0/0/3]port default vlan 10
- [SW1-Ethernet0/0/3]un sh
- [SW1-Ethernet0/0/3]int e0/0/4
- [SW1-Ethernet0/0/4]port link-type access
- [SW1-Ethernet0/0/4]port default vlan 20
- [SW1-Ethernet0/0/4]un sh
- [SW1-Ethernet0/0/4]dis vlan ## 查看 vlan 信息
- The total number of vlans is : 3
- --------------------------------------------------------------------------------
- U: Up; D: Down; TG: Tagged; UT: Untagged;
- MP: Vlan-mapping; ST: Vlan-stacking;
- #: ProtocolTransparent-vlan; *: Management-vlan;
- --------------------------------------------------------------------------------
- VID Type Ports
- --------------------------------------------------------------------------------
- 1 common UT:Eth0/0/5(D) Eth0/0/6(D) Eth0/0/7(D) Eth0/0/8(D)
- Eth0/0/9(D) Eth0/0/10(D) Eth0/0/11(D) Eth0/0/12(D)
- Eth0/0/13(D) Eth0/0/14(D) Eth0/0/15(D) Eth0/0/16(D)
- Eth0/0/17(D) Eth0/0/18(D) Eth0/0/19(D) Eth0/0/20(D)
- Eth0/0/21(D) Eth0/0/22(D) GE0/0/1(U) GE0/0/2(D)
- 10 common UT:Eth0/0/1(U) Eth0/0/3(U)
- 20 common UT:Eth0/0/2(U) Eth0/0/4(U)
- VID Status Property Mac-LRN Statistics Description
- --------------------------------------------------------------------------------
- 1 enable default enable disable VLAN 0001
- 10 enable default enable disable VLAN 0010
- 20 enable default enable disable VLAN 0020
- [SW1-Ethernet0/0/4]int g0/0/1 ## 进入接口
- [SW1-GigabitEthernet0/0/1] port link-type trunk ## 设置为 trunk 口
- [SW1-GigabitEthernet0/0/1]port trunk allow-pass vlan all ## 允许所有 vlan 通过
- [SW1-GigabitEthernet0/0/1]un sh ## 开启
2, 配置 R1 路由
- [R1]dhcp enable ## 开启 dhcp
- [R1]int g0/0/1.10 ## 进入逻辑子接口
- [R1-GigabitEthernet0/0/1.10]dot1q termination vid 10 ## 封装协议, 该接口对应 vlan10
- [R1-GigabitEthernet0/0/1.10]ip add 192.168.10.1 24 ## 配置网关地址
- [R1-GigabitEthernet0/0/1.10]arp broadcast enable ## 开启广播
- [R1-GigabitEthernet0/0/1.10]dhcp select relay ## 开启 DHCP 中继服务
- [R1-GigabitEthernet0/0/1.10]dhcp relay server-ip 14.0.0.2 ## 指向 R1 服务器地址
- [R1-GigabitEthernet0/0/1.10]int g0/0/1.20 ## 进入逻辑子接口
- [R1-GigabitEthernet0/0/1.20]dot1q termination vid 20 ##vlan20
- [R1-GigabitEthernet0/0/1.20]ip add 192.168.20.1 24
- [R1-GigabitEthernet0/0/1.20]arp broadcast enable
- [R1-GigabitEthernet0/0/1.20]dhcp select relay
- [R1-GigabitEthernet0/0/1.20]dhcp relay server-ip 14.0.0.2
- [R1-GigabitEthernet0/0/1.20]q
- [R1]int g0/0/2 ## 配置接口的 ip 地址
- [R1-GigabitEthernet0/0/2]ip add 14.0.0.1 24
- [R1-GigabitEthernet0/0/2]un sh
- [R1-GigabitEthernet0/0/2]int g0/0/0
- [R1-GigabitEthernet0/0/0]ip add 12.0.0.1 24
- [R1-GigabitEthernet0/0/0]un sh
- [R1-GigabitEthernet0/0/0]dis ip int b ## 查看接口 ip 信息
- *down: administratively down
- !down: FIB overload down
- ^down: standby
- (l): loopback
- (s): spoofing
- (d): Dampening Suppressed
- The number of interface that is UP in Physical is 6
- The number of interface that is DOWN in Physical is 7
- The number of interface that is UP in Protocol is 5
- The number of interface that is DOWN in Protocol is 8
- Interface IP Address/Mask Physical Protocol
- Ethernet0/0/0 unassigned down down
- Ethernet0/0/1 unassigned down down
- GigabitEthernet0/0/0 12.0.0.1/24 up up
- GigabitEthernet0/0/1 unassigned up down
- GigabitEthernet0/0/1.10 192.168.10.1/24 up up
- GigabitEthernet0/0/1.20 192.168.20.1/24 up up
- GigabitEthernet0/0/2 14.0.0.1/24 up up
- GigabitEthernet0/0/3 unassigned down down
- NULL0 unassigned up up(s)
- [R1]ip route-static 15.0.0.0 24 12.0.0.2 ## 设置静态路由
3, 配置 R2 路由
- <Huawei>
- sys [Huawei]sysname R2 [R2]int g0/0/0 ## 配置接口 IP 地址 [R2-GigabitEthernet0/0/0]ip
- add 12.0.0.2 24 [R2-GigabitEthernet0/0/0]un sh [R2-GigabitEthernet0/0/0]q
- [R2]dhcp enable ## 开启 dhcp [R2]int g0/0/1 ## 进接口 [R2-GigabitEthernet0/0/1]ip
- add 15.0.0.1 24 ## 配置接口 ip [R2-GigabitEthernet0/0/1]dhcp select relay ##
- 开启中继 [R2-GigabitEthernet0/0/1]dhcp relay server-ip 14.0.0.2 ## 指向服务器地址
- [R2-GigabitEthernet0/0/1]un sh [R2-GigabitEthernet0/0/1]q [R2]ip route-static
- 0.0.0.0 0.0.0.0 12.0.0.1 ## 设置默认路由 [R2]dis ip int b ## 查看接口 ip 信息 *down:
- administratively down !down: FIB overload down ^down: standby (l): loopback
- (s): spoofing (d): Dampening Suppressed The number of interface that is
- UP in Physical is 3 The number of interface that is DOWN in Physical is
- 8 The number of interface that is UP in Protocol is 3 The number of interface
- that is DOWN in Protocol is 8 Interface IP Address/Mask Physical Protocol
- Ethernet0/0/0 unassigned down down Ethernet0/0/1 unassigned down down GigabitEthernet0/0/0
- 12.0.0.2/24 up up GigabitEthernet0/0/1 15.0.0.1/24 up up GigabitEthernet0/0/2
- unassigned down down GigabitEthernet0/0/3 unassigned down down NULL0 unassigned
- up up(s)
4, 配置 R4 路由
- [R4]dhcp enable ## 开启 dhcp
- [R4]int g0/0/0 ## 进入接口
- [R4-GigabitEthernet0/0/0]ip add 14.0.0.2 24 ## 配置 ip 地址
- [R4-GigabitEthernet0/0/0]dhcp select global ## 设置全局
- [R4-GigabitEthernet0/0/0]un sh
- [R4-GigabitEthernet0/0/0]q
- [R4]ip route-static 0.0.0.0 0.0.0.0 14.0.0.1 ## 设置默认路由
- [R4]ip pool dhcp15 ## 创建 15 网段的地址池
- [R4-ip-pool-dhcp15]network 15.0.0.0 mask 24 ## 设置 ip 地址段和子网掩码
- [R4-ip-pool-dhcp15]gateway-list 15.0.0.1 ## 设置网关
- [R4-ip-pool-dhcp15]dns-list 8.8.8.8 2.2.2.2 ## 设置 dns 地址
- [R4-ip-pool-dhcp15]q
- [R4]ip pool dhcpvlan10 ## 创建 vlan10 的地址池
- [R4-ip-pool-dhcpvlan10]network 192.168.10.0 mask 24
- [R4-ip-pool-dhcpvlan10]gateway-list 192.168.10.1
- [R4-ip-pool-dhcpvlan10]dns-list 8.8.8.8 2.2.2.2
- [R4-ip-pool-dhcpvlan10]excluded-ip-address 192.168.10.100 192.168.10.254 ## 排除的地址
- [R4-ip-pool-dhcpvlan10]static-bind ip-address 192.168.10.88 Mac-address 5489-9820-62fb ## 设置固定 ip
- [R4-ip-pool-dhcpvlan10]q
- [R4]ip pool dhcpvlan20 ## 创建 vlan20 地址池
- [R4-ip-pool-dhcpvlan20]network 192.168.20.0 mask 24
- [R4-ip-pool-dhcpvlan20]gateway-list 192.168.20.1
- [R4-ip-pool-dhcpvlan20]dns-list 8.8.8.8 2.2.2.2
- [R4-ip-pool-dhcpvlan20]q
5, 查看 pc 机能否获取 ip 地址
谢谢阅读!
来源: http://www.bubuko.com/infodetail-3280695.html