DHCP中继(实验操作)
2023-02-18 16:26:32 时间
DHCP中继(实验操作)
实验拓扑:
实验配置:
#DHCP服务器基础配置
sys
sys AR1
int g0/0/0
ip add 192.168.12.1 24
ip route-static 192.168.10.0 24 192.168.12.2
ip route-static 192.168.20.0 24 192.168.12.2
#DHCP中继基础配置
sys
sys SW1
vlan batch 10 20
int g0/0/1
p l a
p d v 10
int g0/0/2
p l a
p d v 20
int vlanif 10
ip add 192.168.10.254 24
int vlanif 20
ip add 192.168.20.254 24
int vlanif 1
ip add 192.168.12.2 24
#DHCP服务器配置全局地址池
#开启全局DHCP
[AR1]dhcp enable
Info: The operation may take a few seconds. Please wait for a moment.done.
[AR1]
#配置vlan10 地址池
[AR1]ip pool vlan10
Info: It's successful to create an IP address pool.
[AR1-ip-pool-vlan10]network 192.168.10.0 mask 24
[AR1-ip-pool-vlan10]gateway-list 192.168.10.254
[AR1-ip-pool-vlan10]dns-list 114.114.114.114
[AR1-ip-pool-vlan10]dis thi
[V200R003C00]
#
ip pool vlan10
gateway-list 192.168.10.254
network 192.168.10.0 mask 255.255.255.0
dns-list 114.114.114.114
#
return
[AR1-ip-pool-vlan10]
#配置vlan20 地址池
[AR1]ip pool vlan20
Info: It's successful to create an IP address pool.
[AR1-ip-pool-vlan20]
[AR1-ip-pool-vlan20] gateway-list 192.168.20.254
[AR1-ip-pool-vlan20]
[AR1-ip-pool-vlan20] network 192.168.20.0 mask 255.255.255.0
[AR1-ip-pool-vlan20]
[AR1-ip-pool-vlan20] dns-list 114.114.114.114
[AR1-ip-pool-vlan20]
[AR1-ip-pool-vlan20]dis thi
[V200R003C00]
#
ip pool vlan20
gateway-list 192.168.20.254
network 192.168.20.0 mask 255.255.255.0
dns-list 114.114.114.114
#
return
[AR1-ip-pool-vlan20]
#进入接口,开启全局DHCP服务功能
[AR1]interface GigabitEthernet 0/0/0
[AR1-GigabitEthernet0/0/0]dhcp select global
#查询DHCP地址池
[AR1]display ip pool
-----------------------------------------------------------------------
Pool-name : vlan10
Pool-No : 0
Position : Local Status : Unlocked
Gateway-0 : 192.168.10.254
Mask : 255.255.255.0
VPN instance : --
-----------------------------------------------------------------------
Pool-name : vlan20
Pool-No : 1
Position : Local Status : Unlocked
Gateway-0 : 192.168.20.254
Mask : 255.255.255.0
VPN instance : --
IP address Statistic
Total :506
Used :0 Idle :506
Expired :0 Conflict :0 Disable :0
[AR1]
#DHCP中继
[SW1]dhcp enable
Info: The operation may take a few seconds. Please wait for a moment.done.
[SW1]
[SW1]dhcp server group office
Info:It's successful to create a DHCP server group.
[SW1-dhcp-server-group-office]dhcp-server 192.168.12.1
[SW1]interface Vlanif 10
[SW1-Vlanif10]dhcp select relay
[SW1-Vlanif10]dhcp relay server-select office
[SW1-Vlanif10]dis thi
#
interface Vlanif10
ip address 192.168.10.254 255.255.255.0
dhcp select relay
dhcp relay server-select office
#
return
[SW1-Vlanif10]
[SW1]interface Vlanif20
[SW1-Vlanif20] ip address 192.168.20.254 255.255.255.0
Error: The address already exists.
[SW1-Vlanif20] dhcp select relay
[SW1-Vlanif20] dhcp relay server-select office
[SW1-Vlanif20]dis thi
#
interface Vlanif20
ip address 192.168.20.254 255.255.255.0
dhcp select relay
dhcp relay server-select office
#
return
[SW1-Vlanif20]
#主机自动获取DHCP IP地址
#vlan 10 PC1
PC>ipconfig /renew
IP Configuration
Link local IPv6 address...........: fe80::5689:98ff:fe35:5abc
IPv6 address......................: :: / 128
IPv6 gateway......................: ::
IPv4 address......................: 192.168.10.253
Subnet mask.......................: 255.255.255.0
Gateway...........................: 192.168.10.254
Physical address..................: 54-89-98-35-5A-BC
DNS server........................: 114.114.114.114
#vlan20 PC2
PC>ipconfig
Link local IPv6 address...........: fe80::5689:98ff:fe98:45b7
IPv6 address......................: :: / 128
IPv6 gateway......................: ::
IPv4 address......................: 192.168.20.253
Subnet mask.......................: 255.255.255.0
Gateway...........................: 192.168.20.254
Physical address..................: 54-89-98-98-45-B7
DNS server........................: 114.114.114.114
PC>
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