广播等风暴的解决办法

交换机上各种风暴的解决
基本命令：
C2950-24(config-if)#storm-control ?
  action     Action to take for storm-control
  broadcast  Broadcast address storm control
  multicast  Multicast address storm control
  unicast    Unicast address storm control
C2950-24(config-if)#storm-control action ?   
  shutdown  Shutdown this interface if a storm occurs
  trap      Send SNMP trap if a storm occurs
C2950-24(config-if)#storm-control broadcast level ?
  pps  Enter suppression level in packets per second
  <0 - 100>  Enter Integer part of level as percentage of bandwidth
C2950-24(config-if)#storm-control multicast level ?
  pps  Enter suppression level in packets per second
  <0 - 100>  Enter Integer part of level as percentage of bandwidth
其他的几个参数类似
交换机的版本信息
C2950-24#show version
Cisco Internetwork Operating System Software
IOS (tm) C2950 Software (C2950-I6K2L2Q4-M), Version 12.1(22)EA8a, RELEASE SOFTWARE (fc1)
Copyright (c) 1986-2006 by cisco Systems, Inc.
Compiled Fri 28-Jul-06 17:00 by weiliu
Image text-base: 0x80010000, data-base: 0x8067A000

ROM: Bootstrap program is C2950 boot loader

C2950-24 uptime is 1 week, 6 days, 15 hours, 31 minutes
System returned to ROM by power-on
System restarted at 19:25:02 GMT Wed Aug 15 2007
System image file is "flash:c2950-i6k2l2q4-mz.121-22.EA8a.bin"

例如：

在接口配置模式下:
storm-control broadcast level pps 5 2
这条命令的理解是:当端口发送arp包达到5个/s的广播包时开始blocking，低于2个/s广播包时停止blocking
storm-control broadcast level 40.00
 storm-control action shutdown
这条命令的理解是:带宽的利用率达到了40%，端口关闭。