linux 常规网络配置
主机名设置
[root@localhost ~]# vi /etc/sysconfig/network
NETWORKING=yes
NETWORKING_IPV6=yes
HOSTNAME=red1
GATEWAY=10.3.37.1
查看主机名
[root@localhost ~]# hostname
localhost.red1

使用ipconfig 配置IP及辅助IP
[root@localhost ~]# ifconfig
eth0      Link encap:Ethernet  HWaddr 00:0C:29:9A:A7:44 
          inet addr:10.3.37.30  Bcast:10.3.37.255  Mask:255.255.255.0
          inet6 addr: fe80::20c:29ff:fe9a:a744/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:69301 errors:0 dropped:0 overruns:0 frame:0
          TX packets:817 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:6539421 (6.2 MiB)  TX bytes:122965 (120.0 KiB)

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:29358 errors:0 dropped:0 overruns:0 frame:0
          TX packets:29358 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:27503811 (26.2 MiB)  TX bytes:27503811 (26.2 MiB)

peth0     Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF 
          inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
          UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
          RX packets:128574 errors:0 dropped:0 overruns:0 frame:0
          TX packets:872 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:15894159 (15.1 MiB)  TX bytes:132803 (129.6 KiB)
          Interrupt:18 Base address:0x2000

vif0.0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF 
          inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
          UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
          RX packets:843 errors:0 dropped:0 overruns:0 frame:0
          TX packets:69326 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:127005 (124.0 KiB)  TX bytes:6541353 (6.2 MiB)

xenbr0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF 
          UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
          RX packets:67878 errors:0 dropped:0 overruns:0 frame:0
 &nbs