路由器作为DHCP Server同时实现DHCP Agent/Relay

由器作为DHCP Server同时实现DHCP Agent/Relay

案例分析： 一台R2611作为DHCP服务器，给不同网段的PC提供DHCP服务。 网络拓扑如图所示： ＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝ + + Router2611 fa0/0 —————————— fa0/0 R2 + / + / + PCs + + + + + Router2611 fa1/0 192.168.12.1/30 + R2 fa1/0 192.168.12.1/30 + LAN PCs 192.168.10.2/24 default-gateway 192.168.10.1/24 + + + + 作者：熵焓2005 + Blog: www.netpeter.cn + E-mail:[email protected] ＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝ +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ + + 实验平台 dynamips ＋ dynagen + + Lab_net文件 + + #Labs——DHCP Lab + + + autostart = false + ghostios = true + ghostsize = 256 + sparemem = true + + + [127.0.0.1:7200] + udp = 12000 + + workingdir = F:/dy/tmp + + + [[2621]] + image = ../ios/unzip-c2600-advsecurityk9-mz.124-4.T.bin + exec_area = 32 + #slot1 = NM-16ESW + WIC0/0 = WIC-2T + #WIC0/1 = WIC-2T + ram = 72 + Confreg = 0x2102 + + [[1710]] + #支持WIC卡，WIC-2T &WIC-1ENET + image = ../ios/unzip-C1700-Y.BIN + exec_area = 32 + mmap = False + ram = 20 + confreg = 0x2102 + + + [[router R1]] + console = 2000 + model = 2621 + f0/0 = R2 f0/0 + + + [[router R2]] + console = 2001 + model = 2621 + fa0/1 = R3 fa0 + + [[router R3]] + console = 2002 + model = 1710 + ======================================================================================================================== 配置文件： R1 enable conf t host R1 no ip domain loo line con 0 no exec-timeout logg sy interface lo 0 ip add 1.1.1.1 255.255.255.0 interface fa0/0 ip add 192.168.12.1 255.255.255.252 speed 100 full-duplex no shut router rip ver 2 netw 192.168.12.0 netw 1.1.1.0 no auto-summary service dhcp no ip dhcp conflict logging ip dhcp pool test network 192.168.10.0/24 domain-name lan.com dns-server 192.168.10.254 default-router 192.168.10.1 lease infinite exit ip dhcp excluded-address 192.168.10.1 192.168.10.30 R2 enable conf t host R2 no ip domain loo line con 0 no exec-timeoute logg sy inter lo 0 ip add 2.2.2.2 255.255.255.0 inter fa0/0 ip add 192.168.12.2 255.255.255.252 speed 100 full-duplex no shut interface fa0/1 ip add 192.168.10.1 255.255.255.0 speed 100 no shut ip helper-address 192.168.12.1 router rip ver 2 netw 192.168.10.0 netw 192.168.12.0 netw 2.2.2.0 no auto-summary R3 enable conf t host PC1 no ip routing interface fa0 no shut ip address dhcp     http://blogold.chinaunix.net/u2/61459/showart_1011320.html