1、实验需求
按照图中的IP进行地址配置,R1为DHCP服务器,能够对不同网段之间的地址分配,地址池:192.168.20.0/24,网关:192.168.20.254,DNS:114.114.114.114,PC3获取到IP后,使其能ping通DHCP服务器。
2、实验拓扑
3、实验步骤
(1)对相关设备进行地址配置,此部分省略。
(2)在R1上配置DHCP服务器。
R1:
[H3C]dhcp enable #开启DHCP服务
[H3C]dhcp server ip-pool 1 #创建地址池
[H3C-dhcp-pool-1]network 192.168.20.0 mask 255.255.255.0 #配置分配范围
[H3C-dhcp-pool-1]gateway-list 192.168.20.254 #配置网关
[H3C-dhcp-pool-1]dns-list 114.114.114.114 #配置DNS
(3)在R2上配置中继服务。
R2:
[H3C]int g0/1
[H3C-GigabitEthernet0/1]dhcp select relay #配置接口为中继模式
[H3C-GigabitEthernet0/1]dhcp relay server-address 192.168.10.1 #配置服务器IP
(4)由于R1中未有192.168.20.0网段的信息,所以需要手动配置一条静态路由。
R1:
[H3C]ip route-static 0.0.0.0 0 192.168.10.2
(5)验证测试
PC3:
<H3C>ping 192.168.10.1
Ping 192.168.10.1 (192.168.10.1): 56 data bytes, press CTRL_C to break
56 bytes from 192.168.10.1: icmp_seq=0 ttl=254 time=2.000 ms
56 bytes from 192.168.10.1: icmp_seq=1 ttl=254 time=1.000 ms
56 bytes from 192.168.10.1: icmp_seq=2 ttl=254 time=0.000 ms
56 bytes from 192.168.10.1: icmp_seq=3 ttl=254 time=1.000 ms
56 bytes from 192.168.10.1: icmp_seq=4 ttl=254 time=1.000 ms
--- Ping statistics for 192.168.10.1 ---
5 packet(s) transmitted, 5 packet(s) received, 0.0% packet loss
round-trip min/avg/max/std-dev = 0.000/1.000/2.000/0.632 ms
<H3C>%Apr 26 15:26:15:200 2022 H3C PING/6/PING_STATISTICS: Ping statistics for 192.168.10.1: 5 packet(s) transmitted, 5 packet(s) received, 0.0% packet loss, round-trip min/avg/max/std-dev = 0.000/1.000/2.000/0.632 ms.
[H3C]display dhcp relay server-address
2:显示DHCP服务器中继用户地址表项信息
[H3C]display dhcp relay client-information
3:显示DHCP服务器中继的报文统计信息
[H3C]display dhcp relay statistics interface g0/1
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