linux network commands
1,ifconfigÃüÁî
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#ifconfig [ÍøÂçÉ豸] [down|up|-allmulti|-arp|-promisc] [add<µØÖ·>] [del<µØÖ·>] [<ÍøÂçÉ豸ÀàÐÍ> <Ó²¼þµØÖ·>] [io_addr] [irq ] [media<ÍøÂçý½éÀàÐÍ>] [mem_start<ÄÚ´æµØÖ·>]
[metric<ÊýÄ¿>] [mtu<×Ö½Ú>] [netmask<×ÓÍøÑÚÂë>] [tunnel<µØÖ·>] [-broadcast<µØÖ·>] [- pointopoint<µØÖ·>] [IPµØÖ·]
add<µØÖ·> ÉèÖÃÍøÂçÉ豸IPv6µÄIPµØÖ·¡£
del<µØÖ·> ɾ³ýÍøÂçÉ豸IPv6µÄIPµØÖ·¡£
down ¹Ø±ÕÖ¸¶¨µÄÍøÂçÉ豸¡£
<ÍøÂçÉ豸ÀàÐÍ><Ó²¼þµØÖ·> ÉèÖÃÍøÂçÉ豸µÄÀàÐÍÓëÓ²¼þµØÖ·
#ifconfig eth0 hw ether XX:XX:XX:XX:XX:XX(¸ü¸Äeth0µÄmacµØÖ·)
io_addr ÉèÖÃÍøÂçÉ豸µÄI/OµØÖ·¡£
irq ÉèÖÃÍøÂçÉ豸µÄIRQ¡£
media<ÍøÂçý½éÀàÐÍ> ÉèÖÃÍøÂçÉ豸µÄý½éÀàÐÍ¡£
mem_start<ÄÚ´æµØÖ·> ÉèÖÃÍøÂçÉ豸ÔÚÖ÷ÄÚ´æËùÕ¼ÓÃµÄÆðʼµØÖ·¡£
metric<ÊýÄ¿> Ö¸¶¨ÔÚ¼ÆËãÊý¾Ý°üµÄתËÍ´ÎÊýʱ£¬ËùÒª¼ÓÉϵÄÊýÄ¿¡£
mtu<×Ö½Ú> ÉèÖÃÍøÂçÉ豸µÄMTU¡£
netmask<×ÓÍøÑÚÂë> ÉèÖÃÍøÂçÉ豸µÄ×ÓÍøÑÚÂë¡£
tunnel<µØÖ·> ½¨Á¢IPv4ÓëIPv6Ö®¼äµÄËíµÀͨÐŵØÖ·¡£
up Æô¶¯Ö¸¶¨µÄÍøÂçÉ豸¡£
-broadcast<µØÖ·> ½«ÒªËÍÍùÖ¸¶¨µØÖ·µÄÊý¾Ý°üµ±³É¹ã²¥Êý¾Ý°üÀ´´¦Àí¡£
-pointopoint<µØÖ·> ÓëÖ¸¶¨µØÖ·µÄÍøÂçÉ豸½¨Á¢Ö±½ÓÁ¬Ïߣ¬´Ëģʽ¾ßÓб£Ãܹ¦ÄÜ¡£
-promisc ¹Ø±Õ»òÆô¶¯Ö¸¶¨ÍøÂçÉ豸µÄ»ìÔÓ(promiscuous)ģʽ¡£
[IPµØÖ·] Ö¸¶¨ÍøÂçÉ豸µÄIPµØÖ·¡£
[ÍøÂçÉ豸] Ö¸¶¨ÍøÂçÉ豸µÄÃû³Æ¡£
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#ifconfig eth0 down (¹Ø±Õeth0)
#ifconfig eth0 hw ether XX:XX:XX:XX:XX:XX(ÁÙʱ¸ü¸Äeth0µÄmacµØÖ·£¬¼´Ê±ÉúЧ)
#ifconfig eth0 192.168.161.9 netmask 255.255.252.0 up (ÁÙʱÉèÖÃIPµØÖ·£¬×ÓÍøÑÚÂ룬¼´Ê±ÉúЧ)
#route add default gw 192.168.162.1 (ÁÙʱÉèÖÃÍø¹Ø£¬¼´Ê±ÉúЧ)
#vi /etc/sysconfig/network-scripts/ifcfg-eth0 (±à¼ÅäÖÃÎļþ£¬ÓÀ¾Ã¸ü¸ÄIPÉèÖã¬ÖØÆôÉúЧ)
#vi /etc/resolv.conf £¨±à¼ÅäÖÃÎļþ£¬ÉèÖÃDNS£©
#ifconfig eth0 promisc (½«eth0ÉèÖÃΪ»ìÔÓģʽ)
#ifconfig eth0 -promisc (È¡Ïû»ìÔÓģʽ)
#ifconfig eth0 arp (´ò¿ªeth0µÄarp½âÎö)
#ifconfig eth0 -arp (¹Ø±Õarp½âÎö)
#ifconfig eth0:1 192.168.1.1 netmask 255.255.255.0
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