Chinaunix

标题: FreeBSD中VLAN设置 [打印本页]

作者: lsstarboy 时间: 2008-08-17 21:47
标题: FreeBSD中VLAN设置

http://www.freebsdchina.org/forum/topic_42482.html
h3c 3526:
rc.conf
   引用:    ifconfig_fxp0="up polling"
cloned_interfaces="vlan16 vlan200 vlan600 vlan700"
ifconfig_vlan16="inet 192.168.16.7/24 vlan 16 vlandev fxp0"
ifconfig_vlan200="inet 222.1111.111.7/27 vlan 200 vlandev fxp0"
ifconfig_vlan600="inet 10.9.8.7/24 vlan 600 vlandev fxp0"
ifconfig_vlan700="inet 2.1.5.8/29 vlan 700 vlandev fxp0"

ifconfig:
   引用:    ifconfig
fxp0: flags=8843 mtu 1500
      options=48
      ether 00:11:11:59:c9:c2
      media: Ethernet autoselect (100baseTX )
      status: active
lo0: flags=8049 mtu 16384
      inet 127.0.0.1 netmask 0xff000000
vlan16: flags=8843 mtu 1500
      inet 192.168.16.7 netmask 0xffffff00 broadcast 192.168.16.255
      ether 00:11:11:59:c9:c2
      media: Ethernet autoselect (100baseTX )
      status: active
      vlan: 16 parent interface: fxp0
vlan200: flags=8843 mtu 1500
      inet 222.111.111.7 netmask 0xffffffe0 broadcast 222.111.111.31
      ether 00:11:11:59:c9:c2
      media: Ethernet autoselect (100baseTX )
      status: active
      vlan: 200 parent interface: fxp0
vlan600: flags=8843 mtu 1500
      inet 10.9.8.7 netmask 0xffffff00 broadcast 10.9.8.255
      ether 00:11:11:59:c9:c2
      media: Ethernet autoselect (100baseTX )
      status: active
      vlan: 600 parent interface: fxp0
vlan700: flags=8843 mtu 1500
      inet 2.1.5.8 netmask 0xfffffff8 broadcast 2.1.5.3
      ether 00:11:11:59:c9:c2
      media: Ethernet autoselect (100baseTX )
      status: active
      vlan: 700 parent interface: fxp0
finalgod 写到:    明白了原因。主要是网卡的中断引起的。加上其他流控，CPU占用率不会增加多少。
打开polling，中断占用的时间会少很多。
另外要注意将MCLUSTERS参数加大，ipfw的pipe采用queue机制，在队列多的时候还是挺占用内存的。
这个参数可以在/boot/loader.conf里修改。

本文来自ChinaUnix博客，如果查看原文请点：http://blog.chinaunix.net/u1/38866/showart_1132762.html

欢迎光临 Chinaunix (http://bbs.chinaunix.net/)