DHCPRelay和DHCPRelay的地址合法性检查

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1、上机实验报告课程名称：高级交换实验名称：DHCPRelay和DHCPRelay的地址合法性检查姓名：学号：班级：09网络组建指导教师：张博实验日期：实验成绩：1.实验目的掌握基于DHCPRelay方式实现地址自动分配的配置方法，利用DHCPRelay的地址合法性检查功能实现对DIICPClient的安全控制。2.实验设备2台H3CS3600交换机(软件版本CMW310-R1510P12)2台PC3.实验网络拓扑图Eth1HOSTAVlanif3003.3.3.254SWAaEth2HOSTB图1DHCPRelay实验环境1.实验环境

2、说明本实验环境由2台S3600(SWA,SWB)交换机和2台PC(HostA和HostB)组成,互连方式和IP地址分配具体参见图1。HostA作为DHCPClient,SWA作为DHCPRelay设备，SWB作为DHCPServeroSWA通过Ethl和Eth2分别同HostA和HostB连接，通过Eth3端口同SWB的Ethl,端口连接oHostA的DHCP消息通过SWA屮继到SWB,最终从SWB正确获得所需要的IP地址。HostB通过静态指定的方式获得TP地址，默认网关指定为SWA,如果不能通过地址合法性检查，则不能和网关设备进

3、行通讯。1.设备配里SWA[SWA)dhcp-server1ip2.2.2.2[SWA]dhcp-securitystatic3.3.3.10000e~7b5d-4f0c[SWA]vlan300[SWA-v1an300]portEthernet1/0/1[SWA-vlan300]portEthernet1/0/2[SWA]interfaceVlan-interface300[SWA-V1an-interface300]ipaddress3.3.3.254255.255.255.0[SWA-Vlan-interface300]dhcp

4、-server1[SWA-Vlan-interface300)address-checkenable[SWA]vlan200[SWA~vlan200]portEthernet1/0/3[SWA]interfaceVlan-interface200[SWA-V1an-interface200]ipaddress2.2.2.1255.255.255.0

5、[SWA]dlicprelayserver1ip2.2.2.2[SWA]dlicprelaysecuritystatic3.3.3.10000e-7b5d-4f0c[SWAlvlan30

6、0IZV••4WLW、J4X.W、JkJk、”2J/亠J•[SWA-vlan300]portEthernet1/0/1冲II4.儿儿2JJp72-A.J-1.JFA[SWA-vlan300]portEthernet1/0/2[SWA-vlan300]int[SWA-vlan300]int[SWA-vlan300]intvlan-int300[SWA-VIan-interface300]%Apr2612:18:14:4512000SWAIFNET/4/LINKUPDOW:Vlan-interface300:linkstatusisUP

7、[SWA-Vlan-interface300]

8、[SWA-Vlan-interface300]ipaddress3.3.3.254255.255.255.0[SWA-Vlan-interface300]%Apr2612:20:01:122000SWAIFNET/4/UPD0W:LineprotocolontheinterfaceVlan-interface300isUP9^OM■•■•**•fl*■■•[SWA-Vlan-interface300]dhcprelayserver1[SWA-Vlan-interface300]dhcp

9、relayaddress-checkenable[SWA-Vlan-interface300]vlan200[SWA-vlan200]portEthernet1/0/3[SWA-vlan200]intvlan-int200[SWA-Vlan-interface200]%Apr2612:23:13:1102000SWAIFNET/4/LINKUPDOWN:Vlan-interface200:linkstatusisUP[SWA-Vlan-interface200]ipaddress2.2.2.1255.255.255.0[SWA-Vl

10、an-interface200]%Apr2612:23:58:622000SWAIFNET/4/UPD0W:LineprotocolontheinterfaceVlan-interface200isUP[SWA-Vlan-interf