linux 简单的网络配置练习

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1、Linux简单的网络配置练习一有两个网段：网段一192.168.6.XX网段二192.168.7.XX我们将这两个网段通一段LinuxServer连进来，让它们可以互相访问.网络分布架构图如下：1.LinuxRouteServer配置:1)添加网卡#ifconfig查看当前最大的网卡号,如eth0Lastlogin:FriAug1411:26:162009[root@sqlroot]#ifconfigeth0Linkencap:EthernetHWaddr00:0C:29:D6:7B:EFinetaddr:192.168.6.1Bcast:192.168.6.255Mask:25

2、5.255.255.0UPBROADCASTRUNNINGMULTICASTMTU:1500Metric:1RXpackets:684errors:0dropped:0overruns:0frame:0TXpackets:220errors:0dropped:0overruns:0carrier:0collisions:0txqueuelen:100RXbytes:70820(69.1Kb)TXbytes:18565(18.1Kb)Interrupt:5Baseaddress:0x2000loLinkencap:LocalLoopbackinetaddr:127.0.0.1Mas

3、k:255.0.0.0UPLOOPBACKRUNNINGMTU:16436Metric:1RXpackets:3450errors:0dropped:0overruns:0frame:0TXpackets:3450errors:0dropped:0overruns:0carrier:0collisions:0txqueuelen:0RXbytes:235617(230.0Kb)TXbytes:235617(230.0Kb)2.修改网卡eth0的配置信息：vi/etc/sysconfig/network-scripts/ifcfg-eth0[root@routerroot]#vi/

4、etc/sysconfig/network-scripts/ifcfg-eth0DEVICE=eth0BOOTPROTO=noneBROADCAST=192.168.6.255IPADDR=192.168.6.2NETMASK=255.255.255.0NETWORK=192.168.6.0ONBOOT=yesUSERCTL=noPEERDNS=noTYPE=EthernetGATEWAY=192.168.6.22.添加新网卡eth1：vi/etc/sysconfig/network-scripts/ifcfg-eth1[root@routerroot]#vi/etc/sysco

5、nfig/network-scripts/ifcfg-eth1#Pleaseread/usr/share/doc/initscripts-*/sysconfig.txt#forthedocumentationoftheseparameters.USERCTL=noPEERDNS=yesTYPE=EthernetDEVICE=eth1HWADDR=00:0c:29:f5:07:d4BOOTPROTO=noneNETMASK=255.255.255.0ONBOOT=yesIPADDR=192.168.7.2NETWORK=192.168.7.0BROADCAST=192.168.7.

6、255添加上新网卡后，运行命令重新装载网卡#/etc/init.d/networkreload3.配置route将192.168.7网段和192.168.6网段的都添加进路由添加网段：#routeadd–net192.168.6.0/>netmask255.255.255.0deveth0#routeadd–net192.168.6.0/>netmask255.255.255.0deveth0添加网关#routeadddefaultgw192.168.6.2[root@routerroot]#route-nKernelIProutingtableDestinationGatewa

7、yGenmaskFlagsMetricRefUseIface192.168.7.00.0.0.0255.255.255.0U000eth1192.168.6.00.0.0.0255.255.255.0U000eth0169.254.0.00.0.0.0255.255.0.0U000eth1127.0.0.00.0.0.0255.0.0.0U000lo0.0.0.0192.168.6.20.0.0.0UG000eth0设定完route后,执行命令echo"1">/proc/sys/