DHCP中繼代理配置
阿新 • • 發佈：2018-05-04
dhcp dhcp中繼 跨網段分配ip地址 實驗目標
實現跨網段為主機自動分配IP地址等配置
實驗環境
- GNS 3
- DHCP服務器能夠為192.168.10.0 , 192.168.20.0兩個網段自動分配IP地址
實驗拓撲圖
配置命令
三層交換機sw1：
sw1# sw1#conf t Enter configuration commands, one per line. End with CNTL/Z. sw1(config)#vlan 10,20,100 sw1(config-vlan)#ex sw1(config)#int f1/0 sw1(config-if)#sw mo tr *Mar 1 00:02:37.515: %DTP-5-TRUNKPORTON: Port Fa1/0 has become dot1q trunk sw1(config-if)#sw tr en dot sw1(config-if)#ex sw1(config)#int vlan10 *Mar 1 00:02:59.655: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan10, changed state to up sw1(config-if)#ip add 192.168.10.1 255.255.255.0 sw1(config-if)#no shut sw1(config-if)#ip helper-address 192.168.100.2 sw1(config-if)#ex sw1(config)#int vlan20 *Mar 1 00:03:38.203: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan20, changed state to up sw1(config-if)#ip add 192.168.20.1 255.255.255.0 sw1(config-if)#no shut sw1(config-if)#ip helper-address 192.168.100.2 sw1(config-if)#ex sw1(config)#int vlan100 *Mar 1 00:04:14.775: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan100, changed state to up sw1(config-if)#ip add 192.168.100.1 255.255.255.0 sw1(config-if)#no shut sw1(config-if)#ex sw1(config)#do show vlan-sw b VLAN Name Status Ports ---- -------------------------------- --------- ------------------------------- 1 default active Fa1/1, Fa1/2, Fa1/3, Fa1/4 Fa1/5, Fa1/6, Fa1/7, Fa1/8 Fa1/9, Fa1/10, Fa1/11, Fa1/12 Fa1/13, Fa1/14, Fa1/15 10 VLAN0010 active 20 VLAN0020 active 100 VLAN0100 active 1002 fddi-default act/unsup 1003 token-ring-default act/unsup 1004 fddinet-default act/unsup 1005 trnet-default act/unsup sw1(config)#
交換機sw2:
sw2>en sw2#conf t sw2(config)#no ip routing sw2(config)#vlan 10,20,100 sw2(config-vlan)#ex sw2(config)#int f1/1 sw2(config-if)#sw mo acc sw2(config-if)#sw acc vlan 10 sw2(config-if)#ex sw2(config)#int f1/2 sw2(config-if)#sw mo acc sw2(config-if)#sw acc vlan 20 sw2(config-if)#ex sw2(config)#int f1/3 sw2(config-if)#sw mo acc sw2(config-if)#sw acc vlan 100 sw2(config-if)#ex sw2(config)#int f1/0 sw2(config-if)#sw mo tr *Mar 1 00:01:56.795: %DTP-5-TRUNKPORTON: Port Fa1/0 has become dot1q trunk sw2(config-if)#sw tr en dot1q sw2(config-if)#ex sw2(config)#do show vlan-sw b VLAN Name Status Ports ---- -------------------------------- --------- ------------------------------- 1 default active Fa1/4, Fa1/5, Fa1/6, Fa1/7 Fa1/8, Fa1/9, Fa1/10, Fa1/11 Fa1/12, Fa1/13, Fa1/14, Fa1/15 10 VLAN0010 active Fa1/1 20 VLAN0020 active Fa1/2 100 VLAN0100 active Fa1/3 1002 fddi-default act/unsup 1003 token-ring-default act/unsup 1004 fddinet-default act/unsup 1005 trnet-default act/unsup sw2(config)#
實驗結果
DHCP中繼代理配置