Cisco路由器进行ip限速的配置方法

日期: 2012-11-27 来源:TechTarget中国

  路由器的flash(2811路由器):

  yourname#dir

  Directory of flash:/

  1 -rw- 25438028 Oct 22 2010 02:25:58 +00:00 c2800nm-ipbase-mz.124-15.T.bin

  2 -rw- 1505280 Oct 22 2010 02:26:08 +00:00 common.tar

  3 -rw- 931840 Oct 22 2010 02:26:16 +00:00 es.tar

  4 -rw- 1038 Oct 22 2010 02:26:20 +00:00 home.shtml

  5 -rw- 112640 Oct 22 2010 02:26:26 +00:00 home.tar

  6 -rw- 415956 Oct 22 2010 02:26:34 +00:00 sslclient-win-1.1.4.176.pkg

  7 -rw- 2748 Oct 22 2010 02:26:38 +00:00 sdmconfig-2811.cfg

  8 -rw- 35316 Apr 5 2011 06:09:42 +00:00 crashinfo_20110405-060943

  9 -rw- 42068 Apr 5 2011 06:30:26 +00:00 crashinfo_20110405-063027

  128733184 bytes total (100229120 bytes free)

  以下是实验过程

  access-list 102 permit ip 192.168.1.0 0.0.0.255 any

  access-list 102 permit ip any 192.168.1.0 0.0.0.255

  第二步:定义class-map ,调用第一步的ACL

  class-map match-all 102

  match access-group 102 

  第三步:定义policy-map,调用class-map,做速率限制

  policy-map 102

  class 102

  police 256000 8000 conform-action transmit exceed-action drop

  第四步:把policy-map应用到接口上

  interface FastEthernet0/1

  service-policy input 102

  service-policy output 102

  *Apr 5 06:24:04.023: %IP_VFR-4-FRAG_TABLE_OVERFLOW: FastEthernet0/1: the fragment table has reached its maximum threshold 16

  FastEthernet0/1

  Service-policy input: 102

  Class-map: 102 (match-all)

  2746 packets, 672324 bytes

  5 minute offered rate 20000 bps, drop rate 0 bps

  Match: access-group 102

  police:

  cir 256000 bps, bc 8000 bytes

  conformed 2746 packets, 672324 bytes; actions:

  transmit

  exceeded 0 packets, 0 bytes; actions:

  drop

  conformed 90000 bps, exceed 0 bps

  Class-map: class-default (match-any)

  13407 packets, 1753107 bytes

  5 minute offered rate 49000 bps, drop rate 0 bps

  Match: any

  Service-policy output: 102

  Class-map: 102 (match-all)

  3506 packets, 2954143 bytes

  5 minute offered rate 68000 bps, drop rate 44000 bps

  Match: access-group 102

  police:

  cir 256000 bps, bc 8000 bytes

  conformed 2243 packets, 1195420 bytes; actions:

  transmit

  exceeded 1263 packets, 1758723 bytes; actions:

  drop

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