[Linux] linux网络参数配置方法详解

[root@twin0898 sysconfig]# cat network
network      networking/    network-scripts/
[root@twin0898 sysconfig]# cat network
NETWORKING=yes
GATEWAY=125.39.149.1
HOSTNAME=twin0898
NETWORKING_IPV6=no

root@CinemaTest2:/usr/local/jdk# ifconfig -a
eth0    Link encap:Ethernet  HWaddr b8:ac:6f:38:10:c6 
      inet addr:192.168.232.127  Bcast:192.168.232.255  Mask:255.255.255.0
      inet6 addr: fe80::baac:6fff:fe38:10c6/64 Scope:Link
      UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
      RX packets:42918159 errors:0 dropped:0 overruns:0 frame:0
      TX packets:40893832 errors:0 dropped:0 overruns:0 carrier:0
      collisions:0 txqueuelen:1000
      RX bytes:30644395811 (30.6 GB)  TX bytes:30932951131 (30.9 GB)
      Interrupt:16
 
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:65536  Metric:1
      RX packets:917 errors:0 dropped:0 overruns:0 frame:0
      TX packets:917 errors:0 dropped:0 overruns:0 carrier:0
      collisions:0 txqueuelen:0
      RX bytes:81417 (81.4 KB)  TX bytes:81417 (81.4 KB)

PING movie.kankan.co.sandai.net (114.80.189.60) 56(84) bytes of data.
64 bytes from 114.80.189.60: icmp_seq=1 ttl=54 time=31.2 ms
64 bytes from 114.80.189.60: icmp_seq=2 ttl=54 time=29.9 ms
64 bytes from 114.80.189.60: icmp_seq=3 ttl=54 time=31.1 ms
64 bytes from 114.80.189.60: icmp_seq=4 ttl=54 time=30.5 ms
64 bytes from 114.80.189.60: icmp_seq=5 ttl=54 time=31.4 ms
64 bytes from 114.80.189.60: icmp_seq=6 ttl=54 time=32.6 ms
64 bytes from 114.80.189.60: icmp_seq=7 ttl=54 time=30.8 ms
64 bytes from 114.80.189.60: icmp_seq=8 ttl=54 time=30.9 ms
64 bytes from 114.80.189.60: icmp_seq=9 ttl=54 time=32.0 ms
64 bytes from 114.80.189.60: icmp_seq=10 ttl=54 time=31.3 ms
64 bytes from 114.80.189.60: icmp_seq=11 ttl=54 time=31.3 ms
64 bytes from 114.80.189.60: icmp_seq=12 ttl=54 time=30.3 ms
 
--- movie.kankan.co.sandai.net ping statistics ---
12 packets transmitted, 12 received, 0% packet loss, time 11004ms
rtt min/avg/max/mdev = 29.954/31.148/32.608/0.704 ms

root@CinemaTest2:/usr/local/jdk# netstat -nr
Kernel IP routing table
Destination   Gateway     Genmask     Flags   MSS Window  irtt Iface
0.0.0.0     192.168.232.2   0.0.0.0     UG    0 0      0 eth0
192.168.232.0   0.0.0.0     255.255.255.0   U     0 0      0 eth0

root@CinemaTest2:/etc# nslookup vip.jb51.net
Server:     192.168.8.150
Address:    192.168.8.150#53
 
Non-authoritative answer:
vip.jb51.net  canonical name = movie.jb51.net.
movie.jb51.net    canonical name = movie.kankan.co.sandai.net.
Name:   movie.kankan.co.sandai.net
Address: 114.80.189.60
Name:   movie.kankan.co.sandai.net
Address: 119.147.41.209