linux IP配置

IP配置

[root@eegooserver3 ~]# ifconfig

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:0 errors:0 dropped:0 overruns:0 frame:0

          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0

          collisions:0 txqueuelen:0

          RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)

 

/etc/sysconfig/network-scripts/ifcfg-em1原始配置

[root@eegooserver3 ~]# vi /opt/network-scripts/ifcfg-em1

DEVICE="em1"

BOOTPROTO="dhcp"

HWADDR="D4:BE:D9:AF:ED:B1"

NM_CONTROLLED="yes"

ONBOOT="no"

TYPE="Ethernet"

UUID="2864b3f3-0a34-4c48-b3a2-a49df5f1a14d"

~

~

~

[root@eegooserver3 ~]# vi /etc/sysconfig/network-scripts/ifcfg-em1

DEVICE="em1"

BOOTPROTO="static"

HWADDR="D4:BE:D9:AF:ED:B1"

NM_CONTROLLED="yes"

ONBOOT="yes"

IPADDR="172.16.19.9"

NETMASK="255.255.0.0"

GATEWAY="172.16.19.254"

TYPE="Ethernet"

UUID="2864b3f3-0a34-4c48-b3a2-a49df5f1a14d"

~

~

~

[root@eegooserver3 ~]# vi /etc/resolv.conf

nameserver 202.96.134.133

~

~

~

[root@eegooserver3 ~]# service network restart

[root@eegooserver3 ~]# ifconfig

em1       Link encap:Ethernet  HWaddr D4:BE:D9:AF:ED:B1 

          inet addr:172.16.19.9  Bcast:172.16.255.255  Mask:255.255.0.0

          inet6 addr: fe80::d6be:d9ff:feaf:edb1/64 Scope:Link

          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1

          RX packets:328383 errors:0 dropped:0 overruns:0 frame:0

          TX packets:54313 errors:0 dropped:0 overruns:0 carrier:0

          collisions:0 txqueuelen:1000

          RX bytes:157202709 (149.9 MiB)  TX bytes:4409391 (4.2 MiB)

          Interrupt:36 Memory:d6000000-d6012800

 

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:0 errors:0 dropped:0 overruns:0 frame:0

          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0

          collisions:0 txqueuelen:0

          RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)

 

[root@eegooserver3 ~]# ping 172.16.19.6

PING 172.16.19.6 (172.16.19.6) 56(84) bytes of data.

64 bytes from 172.16.19.6: icmp_seq=1 ttl=64 time=0.685 ms

64 bytes from 172.16.19.6: icmp_seq=2 ttl=64 time=0.180 ms

64 bytes from 172.16.19.6: icmp_seq=3 ttl=64 time=0.179 ms

^C

--- 172.16.19.6 ping statistics ---

3 packets transmitted, 3 received, 0% packet loss, time 2723ms

rtt min/avg/max/mdev = 0.179/0.348/0.685/0.238 ms

[root@eegooserver3 ~]# ping www.baidu.com

PING www.a.shifen.com (220.181.112.143) 56(84) bytes of data.

64 bytes from 220.181.112.143: icmp_seq=1 ttl=54 time=36.5 ms

64 bytes from 220.181.112.143: icmp_seq=2 ttl=54 time=36.2 ms

64 bytes from 220.181.112.143: icmp_seq=3 ttl=54 time=36.4 ms

^C

--- www.a.shifen.com ping statistics ---

3 packets transmitted, 3 received, 0% packet loss, time 2686ms

rtt min/avg/max/mdev = 36.277/36.419/36.538/0.189 ms

[root@eegooserver3 ~]#