̾??

bridge —

?֥??å??Υ??ݡ???

????

?С??????? 2.2.8 ?????ϡ? FreeBSD ?ϥ??????ͥåȷ????󥿥ե??????Ǥ? ?֥??å??򥵥ݡ??Ȥ??ޤ??? ?????ϥ????ͥ??????ե??????Ǽ??Υ??ץ????????Ȥ????ȤǼ¸??????ޤ???

    options BRIDGE

?????? 2 ?Ĥ? sysctl ?ѿ??????椵???ޤ?:

    net.link.ether.bridge

?֥??å???ͭ???ˤ????ˤ? 1 ?????ꤷ??̵???ˤ????ˤ? 0 ?????ꤷ?Ƥ?????????

    net.link.ether.bridge_ipfw

?֥??å????줿?ѥ??åȤ??Ф??? ipfw ?ե??륿???󥰤?ͭ???ˤ????ˤ? 1 ?????ꤷ?Ƥ????????? ipfw ?롼???? IP ?ѥ??åȤ??Ф??ƤΤ?Ŭ?Ѥ????뤳?Ȥ????դ??Ƥ????????? IP ?ʳ??Υѥ??åȤϥǥե????Ȥ? ipfw ?롼??(65535??)?˽????ޤ??? ARP ?䤽??¾?? IP ?ʳ??Υѥ??åȤ??֥??å????̤?ȴ?????褦?ˤ??????????ˤϡ? ?????? allow ?롼???Ǥʤ????Фʤ??ޤ?????

?Х?

?֥??å??Υȥݥ????˥롼?פ??????ʤ??褦?˵????դ??ͤФʤ??ޤ????? ?????ͥ??ϡ??롼?פ򸡽Ф????Ȥ??ˤ????Ĥ??Υ??󥿥ե???????̵???ˤ??롢 ????Ū?ʷ??Υ롼?׸??е??????????ݡ??Ȥ??Ƥ??ޤ????? ???ѥ˥󥰥ĥ꡼???르?ꥺ?????¸??????ǡ??????Τ????Υ??ݡ??Ȥϡ? ???ΤȤ????Ѱդ????Ƥ??ޤ?????

?֥??å???ͭ???ˤ????ȡ????󥿥ե???????̵????(promiscuous)?⡼?ɤˤʤ??Τǡ? ˾?ޤ????ʤ??̿??????????ե??륿?ǤϤ???ʬ???????ƥ??????٤򤫤??ޤ???

???󥿥ե??????Υ??饹???ˤĤ???????Ū?˥֥??å???ͭ???ˤ?????ĥ??ǽ ?ˤĤ??Ƥϡ??ޤ????????Ǥ???

???٤ƤΥ??󥿥ե????????֥??å??򥵥ݡ??Ȥ??Ƥ????櫓?ǤϤ????ޤ????? ???? ``ed'', ``de'', ``ep'', ``fxp'', ``lnc'' ???󥿥ե???????ư??ޤ???

??Ϣ????

ip(4), ipfw(8), sysctl(8)

????

bridge ?ˤ????֥??å??? FreeBSD 2.2.8 ?? Luigi Rizzo <luigi@iet.unipi.it> ?ˤ???Ƴ???????ޤ?????