使用HCL模拟器配置DHCP相关项目 |
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试验1:使用DHCP协议自动给PC机分配IP地址。
试验拓扑图如下:
实验2:搭建DHCP中继服务器,用于接收client端广播的DHCP请求报文,再发送到server端。
实验拓扑图如下:
配置步骤 (1) # 配置路由器。 system-view [H3C] interface g 0/0 [[H3C-GigabitEthernet0/0]] ip address 10.1.1.2 30 [[H3C-GigabitEthernet0/0]] quit #启用 DHCP 服务。 [H3C] dhcp enable #配置 DHCP 地址池 1,为来自 192.168.1.0/24网段内的客户端分配地址。 [H3C] dhcp server ip-pool 1 [H3C-dhcp-pool-0] network 192.168.10.0 mask 255.255.255.0 [H3C-dhcp-pool-0] dns-list 8.8.8.8 [H3C-dhcp-pool-0] gateway-list 192.168.10.254 [H3C-dhcp-pool-0] quit #配置 DHCP 地址池 2,为来自 192.168.20.0/24网段内的客户端分配地址。 [H3C] dhcp server ip-pool 2 [H3C-dhcp-pool-0] network 192.168.20.0 mask 255.255.255.0 [H3C-dhcp-pool-0] dns-list 8.8.8.8 [H3C-dhcp-pool-0] gateway-list 192.168.20.254 [H3C-dhcp-pool-0] quit #配置 DHCP 地址池 3,为来自 192.168.30.0/24网段内的客户端分配地址。 [H3C] dhcp server ip-pool 3 [H3C-dhcp-pool-0] network 192.168.30.0 mask 255.255.255.0 [H3C-dhcp-pool-0] dns-list 8.8.8.8 [H3C-dhcp-pool-0] gateway-list 192.168.30.254 [H3C-dhcp-pool-0] quit #//配置静态路由到192.168.0.0/16网段 [H3C]ip route-static 192.168.0.0 16 10.1.1.1 (2)# 配置 SWA交换机。 #建立vlan,并且配置各接口的 IP 地址。 system-view [H3C]vlan 10 [H3C-vlan10]quit [H3C]vlan 20 [H3C-vlan20]quit [H3C]vlan 30 [H3C-vlan30]quit [H3C]inter range g 1/0/1 to g 1/0/5 [H3C-if-range]port link-type access [H3C-if-range]port access vlan 10 [H3C-if-range]quit [H3C]inter range g 1/0/6 to g 1/0/10 [H3C-if-range]port link-type access [H3C-if-range]port access vlan 20 [H3C-if-range]quit [H3C]inter range g 1/0/11 to g 1/0/15 [H3C-if-range]port link-type access [H3C-if-range]port access vlan 30 [H3C-if-range]quit [H3C]inter vlan 10 [H3C-Vlan-interface10]ip add 192.168.10.254 24 [H3C-Vlan-interface10]quit [H3C]inter vlan 20 [H3C-Vlan-interface20]ip add 192.168.20.254 24 [H3C-Vlan-interface20]quit [H3C]inter vlan 30 [H3C-Vlan-interface30]ip add 192.168.30.254 24 [H3C-Vlan-interface30]quit [H3C]inter g 1/0/23 [H3C-GigabitEthernet1/0/23]port link-m r [H3C-GigabitEthernet1/0/23]ip add 10.1.1.1 30 [H3C-GigabitEthernet1/0/23]quit (3)#配置DHCP中继(SWA交换机) #启用 DHCP 服务。 [H3C] dhcp enable #配置 VLAN 接口 10 工作在 DHCP 中继模式。 [H3C] interface vlan-interface 10 [H3C-Vlan-interface10] dhcp select relay #配置 DHCP 服务器的地址。 [H3C-Vlan-interface10] dhcp relay server-address 10.1.1.2 [H3C-Vlan-interface10] quit #配置 VLAN 接口 20 工作在 DHCP 中继模式。 [H3C] interface vlan-interface 20 [H3C-Vlan-interface20] dhcp select relay [H3C-Vlan-interface20] dhcp relay server-address 10.1.1.2 [H3C-Vlan-interface20] quit #配置 VLAN 接口 30 工作在 DHCP 中继模式。
[H3C] interface vlan-interface 30
[H3C-Vlan-interface30] dhcp select relay
[H3C-Vlan-interface30] dhcp relay server-address 10.1.1.2
[H3C-Vlan-interface30] quit
实验效果图如下:
PC1
实验3:配置DHCP snooping用于隔绝不信任的端口。
实验拓扑图如下:
#配置 DHCP 地址池 1,为来自 192.168.1.0/24网段内的客户端分配地址。 [H3C] dhcp server ip-pool 1 [H3C-dhcp-pool-0] network 192.168.10.0 mask 255.255.255.0 [H3C-dhcp-pool-0] dns-list 8.8.8.8 [H3C-dhcp-pool-0] gateway-list 192.168.10.254 [H3C-dhcp-pool-0] quit #配置 DHCP 地址池 2,为来自 192.168.20.0/24网段内的客户端分配地址。 [H3C] dhcp server ip-pool 2 [H3C-dhcp-pool-0] network 192.168.20.0 mask 255.255.255.0 [H3C-dhcp-pool-0] dns-list 8.8.8.8 [H3C-dhcp-pool-0] gateway-list 192.168.20.254 [H3C-dhcp-pool-0] quit #配置 DHCP 地址池 3,为来自 192.168.30.0/24网段内的客户端分配地址。 [H3C] dhcp server ip-pool 3 [H3C-dhcp-pool-0] network 192.168.30.0 mask 255.255.255.0 [H3C-dhcp-pool-0] dns-list 8.8.8.8 [H3C-dhcp-pool-0] gateway-list 192.168.30.254 [H3C-dhcp-pool-0] quit #配置静态路由到192.168.0.0/16网段 [H3C]ip route-static 192.168.0.0 16 10.1.1.1 (2)# 配置 SWA交换机。 #建立vlan,并且配置各接口的 IP 地址。 system-view [H3C]vlan 10 [H3C-vlan10]quit [H3C]vlan 20 [H3C-vlan20]quit [H3C]vlan 30 [H3C-vlan30]quit [H3C]inter range g 1/0/1 to g 1/0/5 [H3C-if-range]port link-type access [H3C-if-range]port access vlan 10 [H3C-if-range]quit [H3C]inter range g 1/0/6 to g 1/0/10 [H3C-if-range]port link-type access [H3C-if-range]port access vlan 20 [H3C-if-range]quit [H3C]inter range g 1/0/11 to g 1/0/15 [H3C-if-range]port link-type access [H3C-if-range]port access vlan 30 [H3C-if-range]quit [H3C]inter vlan 10 [H3C-Vlan-interface10]ip add 192.168.10.254 24 [H3C-Vlan-interface10]quit [H3C]inter vlan 20 [H3C-Vlan-interface20]ip add 192.168.20.254 24 [H3C-Vlan-interface20]quit [H3C]inter vlan 30 [H3C-Vlan-interface30]ip add 192.168.30.254 24 [H3C-Vlan-interface30]quit [H3C] [H3C]inter g 1/0/23 [H3C-GigabitEthernet1/0/23]port link-t [H3C-GigabitEthernet1/0/23]ip add 10.1.1.1 30 [H3C-GigabitEthernet1/0/23]quit (3)#配置DHCP中继(SWA交换机) #启用 DHCP 服务。 [H3C] dhcp enable #配置 VLAN 接口 10 工作在 DHCP 中继模式。 [H3C] interface vlan-interface 10 [H3C-Vlan-interface10] dhcp select relay 配置 DHCP 服务器的地址。 [H3C-Vlan-interface10] dhcp relay server-address 10.1.1.2 [H3C-Vlan-interface10] quit #配置 VLAN 接口 20 工作在 DHCP 中继模式。 [H3C] interface vlan-interface 20 [H3C-Vlan-interface20] dhcp select relay [H3C-Vlan-interface20] dhcp relay server-address 10.1.1.2 [H3C-Vlan-interface20] quit #配置 VLAN 接口 30 工作在 DHCP 中继模式。 [H3C] interface vlan-interface 30 [H3C-Vlan-interface30] dhcp select relay [H3C-Vlan-interface30] dhcp relay server-address 10.1.1.2 [H3C-Vlan-interface30] quit (4)#配置DHCP Snooping(SWB交换机)
#启用 DHCP Snooping 功能。
[H3C] dhcp snooping enable
#设置 GigabitEthernet1/0/21 端口为信任端口。
[H3C] interface GigabitEthernet 1/0/21
[H3C-GigabitEthernet1/0/21] dhcp snooping trust
[H3C-GigabitEthernet1/0/21] quit
#在 GigabitEthernet1/0/1 上启用 DHCP Snooping 表项功能。
[H3C] interface GigabitEthernet 1/0/1
[H3C-GigabitEthernet1/0/1] dhcp snooping binding record
[H3C-GigabitEthernet1/0/1] quit
实验效果图如下:
未配置DHCP snooping时的PC1会收到伪服务器的地址
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