实现场景
公司网络想实现一部分VLAN使用dhcp服务器动态分配ip地址，另一部分使用核心交换机做dhcp服务器为客户端分配ip地址，本实列信息如下：
VLAN50为管理vlan，vlan41—vlan45使用核心交换作为dhcp服务器，vlan46—vlan48使用dhcp服务器10.100.44.2分配ip地址。
配置信息：
<H3C>dis cu
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version 5.20, Release 2202
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sysname H3C
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dhcprelay server-group 1 ip 10.100.44.2（配置DHCP服务器地址）
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irfmac-address persistent timer
irfauto-update enable
undoirf link-delay
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domain default enable system
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telnet server enable
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undoip ttl-expires
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vlan 1
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vlan 41 to 48
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vlan 50 to 58
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vlan 100
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vlan 200
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vlan 600
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vlan 800
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radius scheme system
server-type extended
primary authentication 127.0.0.1 1645
primary accounting 127.0.0.1 1646
user-name-format without-domain
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domain system
access-limit disable
state active
idle-cut disable
self-service-url disable
domain trc.beyond
access-limit disable
state active
idle-cut disable
self-service-url disable
#
dhcp server ip-pool 41（创建DHCP地址池）
network 10.100.41.0 mask 255.255.255.0（配置DHCP动态地址分配范围）
gateway-list 10.100.41.1（配置DHCP客户端网关地址）
dns-list 10.100.44.2 114.114.114.114（配置DHCP客户端DNS相关信息）
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dhcp server ip-pool 42
network 10.100.42.0 mask 255.255.255.0
gateway-list 10.100.42.1
dns-list 10.100.44.2 114.114.114.114
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dhcp server ip-pool 43
network 10.100.43.0 mask 255.255.255.0
gateway-list 10.100.43.1
dns-list 10.100.44.2 114.114.114.114
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dhcp server ip-pool 44
network 10.100.44.0 mask 255.255.255.0
gateway-list 10.100.44.1
dns-list 10.100.44.2 114.114.114.114
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dhcp server ip-pool 45
network 10.100.45.0 mask 255.255.255.0
gateway-list 10.100.45.1
dns-list 10.100.44.2 114.114.114.114
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dhcp server ip-pool -pool
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user-group system
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local-user admin
password cipher =HKQ#]ZB:0;Q=^Q`MAF4<1!!
authorization-attribute level 3
service-type telnet
local-user super
password cipher =HKQ#]ZB:0;Q=^Q`MAF4<1!!
authorization-attribute level 3
service-type telnet
#
interface NULL0
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interface Vlan-interface41
ipaddress 10.100.41.1 255.255.255.0
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interface Vlan-interface42
ipaddress 10.100.42.1 255.255.255.0
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interface Vlan-interface43
ipaddress 10.100.43.1 255.255.255.0
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interface Vlan-interface44
ipaddress 10.100.44.1 255.255.255.0
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interface Vlan-interface45
ipaddress 10.100.45.1 255.255.255.0
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interface Vlan-interface46
ipaddress 10.100.46.1 255.255.255.0（配置VLAN接口地址）
dhcpselect relay（配置VLAN接口46工作在DHCP中继模式）
dhcprelay server-select 1（配置VLAN接口46对应DHCP服务器组1）
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interface Vlan-interface47
ipaddress 10.100.47.1 255.255.255.0
dhcpselect relay
dhcprelay server-select 1
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interface Vlan-interface48
ipaddress 10.100.48.1 255.255.255.0
dhcpselect relay
dhcprelay server-select 1
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interface Vlan-interface50
ipaddress 10.100.50.40 255.255.255.0
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interface GigabitEthernet1/0/1
portaccess vlan 41
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interface GigabitEthernet1/0/2
portaccess vlan 41
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interface GigabitEthernet1/0/3
portaccess vlan 41
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interface GigabitEthernet1/0/4
portaccess vlan 41
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interface GigabitEthernet1/0/5
portaccess vlan 41
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interface GigabitEthernet1/0/6
portaccess vlan 42
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interface GigabitEthernet1/0/7
portaccess vlan 42
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interface GigabitEthernet1/0/8
portaccess vlan 42
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interface GigabitEthernet1/0/9
portaccess vlan 42
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interface GigabitEthernet1/0/10
portaccess vlan 42
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interface GigabitEthernet1/0/11
portaccess vlan 43
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interface GigabitEthernet1/0/12
portaccess vlan 43
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interface GigabitEthernet1/0/13
portaccess vlan 43
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interface GigabitEthernet1/0/14
portaccess vlan 43
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interface GigabitEthernet1/0/15
portaccess vlan 43
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interface GigabitEthernet1/0/16
portaccess vlan 44
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interface GigabitEthernet1/0/17
portaccess vlan 44
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interface GigabitEthernet1/0/18
portaccess vlan 44
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interface GigabitEthernet1/0/19
portaccess vlan 44
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interface GigabitEthernet1/0/20
portaccess vlan 44
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interface GigabitEthernet1/0/21
portaccess vlan 45
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interface GigabitEthernet1/0/22
portaccess vlan 800
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interface GigabitEthernet1/0/23
portaccess vlan 50
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interface GigabitEthernet1/0/24
portlink-type trunk
porttrunk permit vlan all
porttrunk pvid vlan 50
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interface GigabitEthernet1/0/25
shutdown
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interface GigabitEthernet1/0/26
shutdown
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interface GigabitEthernet1/0/27
shutdown
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interface GigabitEthernet1/0/28
shutdown
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iproute-static 0.0.0.0 0.0.0.0 10.100.50.130
iproute-static 10.100.51.0 255.255.255.0 10.100.50.2
iproute-static 10.100.52.0 255.255.255.0 10.100.50.2
iproute-static 10.100.53.0 255.255.255.0 10.100.50.2
iproute-static 10.100.54.0 255.255.255.0 10.100.50.2
iproute-static 10.100.55.0 255.255.255.0 10.100.50.2
iproute-static 10.100.56.0 255.255.255.0 10.100.50.10
iproute-static 10.100.57.0 255.255.255.0 10.100.50.10
iproute-static 10.100.58.0 255.255.255.0 10.100.50.10
#
dhcpenable（全局使能DHCP）
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user-interface aux 0 8
user-interface vty 0 4
userprivilege level 3
setauthentication password cipher =HKQ#]ZB:0;Q=^Q`MAF4<1!!
protocol inbound telnet
#
return
本文出自 “Times” 博客，请务必保留此出处http://yunliu.blog.51cto.com/11871317/1903021
原文地址：http://yunliu.blog.51cto.com/11871317/1903021
