作者magicallove (小判)
看板FreeBSD
标题[问题] 两张网卡的ip设定？和封包流向？
时间Sat Apr 5 10:48:09 2008
> netstat -I vr0;netstat -I rl0;ifconfig
Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Coll
vr0 1500 <Link#1> 00:50:ba:ef:55:bc 1799456 0 23058581 0 0
vr0 1500 140.116.250/2 she911 15572 - 23058578 - -
Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Coll
rl0 1500 <Link#2> 00:02:44:59:d6:be 15775743 0 5 0 0
rl0 1500 140.116.250/2 140.116.250.26 13991934 - 0 - -
vr0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet 140.116.250.27 netmask 0xffffff00 broadcast 140.116.250.255
ether 00:50:ba:ef:55:bc
media: Ethernet autoselect (100baseTX <full-duplex>)
status: active
rl0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
options=8<VLAN_MTU>
inet 140.116.250.26 netmask 0xffffff00 broadcast 140.116.250.255
ether 00:02:44:59:d6:be
media: Ethernet autoselect (100baseTX <full-duplex>)
status: active
plip0: flags=108810<POINTOPOINT,SIMPLEX,MULTICAST,NEEDSGIANT> mtu 1500
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
inet6 fe80::1%lo0 prefixlen 64 scopeid 0x4
inet6 ::1 prefixlen 128
inet 127.0.0.1 netmask 0xff000000
我公布给朋友使用的ip是140.116.250.26，这个ip在rl0这张网卡上面。
可是为什麽看起来好像是 .26 的 rl0 负责流进的封包？
.27 的 vr0 负责流出的封包？
从ip来看不是应该进出的封包都从 rl0 的.26吗？
这两张网卡都直接接到网路孔上，这两个网路口各有100Mb的频宽
会想要两张网卡的原因是因为一个网路孔只有100Mb对我来说太小了= =
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