linux 下 ifcfg-eth0 配置_renxiaobin32132-ChinaUnix博客

linux 下 ifcfg-eth0 配置_renxiaobin32132-ChinaUnix博客

网络接口配置文件[root@localhost ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth0# Intel Corporation 82545EM Gigabit Ethernet Controller (Copper)TYPE=Ethernet #网卡类型DEVICE=eth0 #网卡接口名称ONBOOT=yes #系统启动时是否自动加载BOOTPROTO=static #启用地址协议 --static:静态协议 --bootp协议 --dhcp协议IPADDR=192.168.1.11 #网卡IP地址NETMASK=255.255.255.0 #网卡网络地址GATEWAY=192.168.1.1 #网卡网关地址DNS1=10.203.104.41 #网卡DNS地址HWADDR=00:0C:29:13:5D:74 #网卡设备MAC地址BROADCAST=192.168.1.255 #网卡广播地址 重新导入ifcfg-eth0网络配置文件[root@localhost ~]# /etc/init.d/network reloadShutting down interface eth0: [ OK ]Shutting down loopback interface: [ OK ]Bringing up loopback interface: [ OK ]Bringing up interface eth0: [ OK ]网卡接口关闭与激活[root@localhost ~]# ifdown eth0 #关闭网络[root@localhost ~]# ifup eth0 #启动网络网络服务启动与关闭方法一:[root@localhost ~]# service network stop #关闭网络服务[root@localhost ~]# service network start #启动网络服务[root@localhost ~]# service network restart #重启网络服务方法二：[root@localhost ~]# /etc/init.d/network stop[root@localhost ~]# /etc/init.d/network start[root@localhost ~]# /etc/init.d/network restart 网卡状态查询[root@localhost ~]# service network statusConfigured devices:lo eth0Currently active devices:lo eth0临时配置网卡信息，无需重启。[root@localhost ~]# ifconfig eth0 10.1.1.10 netmask 255.0.0.0查看网卡接口信息，默认列出所有接口[root@localhost ~]# ifconfigeth0 Link encap:Ethernet HWaddr 00:0C:29:13:5D:74 inet addr:192.168.1.11 Bcast:192.168.1.255 Mask:255.255.255.0 inet6 addr: fe80::20c:29ff:fe13:5d74/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:413 errors:0 dropped:0 overruns:0 frame:0 TX packets:572 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:47701 (46.5 KiB) TX bytes:64842 (63.3 KiB) Base address:0x2000Memory:d8920000-d8940000 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:407 errors:0 dropped:0 overruns:0 frame:0 TX packets:407 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:70759 (69.1 KiB) TX bytes:70759 (69.1 KiB)查看当前路由及网关信息[root@localhost ~]# netstat -rKernel IP routing tableDestination Gateway Genmask Flags MSS Window irtt Iface192.168.1.0 * 255.255.255.0 U 0 0 0 eth0169.254.0.0 * 255.255.0.0 U 0 0 0 eth0default 192.168.1.1 0.0.0.0 UG 0 0 0 eth0DNS：主机名：CentOS主DNS：202.106.46.151第二DNS:202.106.0.20第三DNS:8.8.8.8网络配置：eth0静态ip：192.168.1.106子网掩码 255.255.255.0默认网关 IP 192.168.1.1DEVICE=eth0IPADDR=192.168.1.106NETMASK=255.255.255.0BROADCAST=192.168.1.255ONBOOT=yesBOOTPROTO=noneGATEWAY=192.168.1.1TYPE=Ethernet"/etc/sysconfig/network-scripts/ifcfg-eth0" 11L, 187C

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