rate-limit on cisco 851

Unanswered Question
Dec 4th, 2008

Hi all.

I connect remote office via dlc modem and cisco 851 router and can't limiting bandwich on WAN (FastEthernet4) interface.

I use following config for FastEthernet4:


interface FastEthernet4

description $FW_OUTSIDE$$ES_WAN$

bandwidth 320

ip address

no ip redirects

no ip unreachables

no ip proxy-arp

rate-limit input 312000 8000 8000 conform-action transmit exceed-action drop

rate-limit output 312000 8000 8000 conform-action transmit exceed-action drop

ip route-cache flow

duplex auto

speed auto


But, rate-limit command not working properly.

May be Cisco 851 router not support this feature?

I have this problem too.
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crow930us Sun, 12/07/2008 - 09:07

Check your IOS version.

It looks like the 12.3 and 12.4(6)T6 versions and earlier don't support the rate limit feature but the 12.4(9)T3 versions and later do.

leahcheremisin Sun, 12/07/2008 - 23:59

My version IOS - Cisco IOS Software, C850 Software (C850-ADVSECURITYK9-M), Version 12.4(15)T6, RELEASE SOFTWARE (fc2)

rate-limit command is available on my Cisco 851. But I don't see any changes in bandwidth limiting.

I measure bandwidth via iperf utilities before and after enabling rate-limit on FastEthernet4 port.


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