图中对设备型号无特殊要求,但要求DHCP功能支持option 82属性
1、下行设备关键配置
dhcp snooping enable
上行接口配置
interface GigabitEthernet2/0/1
port link-mode bridge
port access vlan 10
dhcp snooping trust
dhcp snooping binding record
下行接口配置
interface GigabitEthernet2/0/3
port link-mode bridge
port access vlan 10
dhcp snooping binding record
dhcp snooping information enable
2、DHCP server关键配置
vlan 100
supervlan
subvlan 10 20
#
dhcp enable
#
dhcp class 1
if-match rule 1 option 82 hex 000a offset 4 length 2 //000a代表16进制的10
#
dhcp class 2
if-match rule 1 option 82 hex 0014 offset 4 length 2 //0014代表16进制的20
#
interface Vlan-interface100
ip address 192.168.100.254 255.255.0.0
#
dhcp server ip-pool test
gateway-list 192.168.100.254
network 192.168.0.0 mask 255.255.0.0
class 1 range 192.168.10.1 192.168.10.253
class 2 range 192.168.20.1 192.168.20.253
dns-list 114.114.114.114
1、
2、
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