리눅스 ifconfig

1 개요

interface configuration; ifconfig

/sbin/ifconfig

• 리눅스 네트워크 인터페이스 설정 확인/관리
• IP 주소, 맥주소, 넷마스크, MTU 설정 등 확인 가능

2 실행예시

[root@jmnote ~]# ifconfig
eth1      Link encap:Ethernet  HWaddr 00:0C:24:68:0D:1E  
          inet addr:192.168.0.32  Bcast:192.168.0.255  Mask:255.255.255.0
          inet6 addr: fe86::42d:09cb:af75:e3d/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:85 errors:0 dropped:0 overruns:0 frame:0
          TX packets:118 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:18373 (17.9 KiB)  TX bytes:16496 (16.1 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:8 errors:0 dropped:0 overruns:0 frame:0
          TX packets:8 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:480 (480.0 b)  TX bytes:480 (480.0 b)

[root@localhost ~]# ifconfig
eth0      Link encap:Ethernet  HWaddr 52:54:00:5D:DB:01
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:982 errors:0 dropped:0 overruns:0 frame:0
          TX packets:970 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:92188 (90.0 KiB)  TX bytes:91468 (89.3 KiB)
eth1      Link encap:Ethernet  HWaddr 52:54:00:5D:DB:02
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:982 errors:0 dropped:0 overruns:0 frame:0
          TX packets:970 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:92188 (90.0 KiB)  TX bytes:91468 (89.3 KiB)

3 같이 보기

• setup
• ethtool
• route
• ipconfig (윈도우)
• 리눅스 txqueuelen 확인
• 리눅스 txqueuelen 변경
• 리눅스 IP 확인

5 참고 자료

• http://en.wikipedia.org/wiki/Ifconfig