[c-nsp] 3550 Policing

Tassos Chatzithomaoglou achatz at forthnet.gr
Thu May 8 14:01:02 EDT 2008


I guess the "match any" under your class is like the class-default which cannot be used for policing 
on the 3550.

On the other hand, "dscp 0" refers to all traffic on untrusted ports, which might be ok for you.


--
Tassos


Chris Riling wrote on 8/5/2008 8:23 μμ:
> I had heard of that before as well, but now that I changed the class map to
> match-all on dscp 0 it *seems* to work. hmrph. I guess I'll just keep an eye
> on the MRTG graphs... :
> 
> FastEthernet0/11
> Ingress
>   dscp: incoming   no_change  classified policed    dropped (in bytes)
> Others: 3537826000 2791863566 745962434  0          2467793
> Egress
>   dscp: incoming   no_change  classified policed    dropped (in bytes)
> Others: 676669051     n/a       n/a      0          1975855
> 
> 
> Thanks!
> Chris
> 
> 
> On 5/8/08, Jeff Cartier <jcartier at acs.on.ca> wrote:
>>  I've come into issues before where the counters don't actually 'count'
>> per say...It's working, but from looking at show commands...you wouldn't
>> guess it.  IOS bug.
>>
>>
>> -----Original Message-----
>> From: cisco-nsp-bounces at puck.nether.net on behalf of Daniel Hooper
>> Sent: Thu 5/8/2008 1:08 PM
>> To: Chris Riling; cisco-nsp at puck.nether.net
>> Subject: Re: [c-nsp] 3550 Policing
>>
>>
>>
>>> -----Original Message-----
>>> From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp- <cisco-nsp->
>>> bounces at puck.nether.net] On Behalf Of Chris Riling
>>> Sent: Thursday, 8 May 2008 11:33 PM
>>> To: cisco-nsp at puck.nether.net
>>> Subject: [c-nsp] 3550 Policing
>>>
>>> Hi All,
>>>
>>>      I'm having an issue with policing on the 3550;
>>>
>>> mls qos
>>>
>>> class-map match-any Match-Any-Rate-Limit
>>>   match any
>>>
>>> policy-map 10Mbps-Rate-Limit
>>>   class Match-Any-Rate-Limit
>>>     police 10000000 2000000 exceed-action drop
>>>
>>> interface FastEthernet0/11
>>>  description XXXX
>>>  switchport access vlan XXX
>>>  switchport mode access
>>>  no ip address
>>>  service-policy input 10Mbps-Rate-Limit
>>>  service-policy output 10Mbps-Rate-Limit
>>> end
>>>
>>> FastEthernet0/11
>>> Ingress
>>>   dscp: incoming   no_change  classified policed    dropped (in bytes)
>>> Others: 4109200271 3363237923 745962348  0          0
>>> Egress
>>>   dscp: incoming   no_change  classified policed    dropped (in bytes)
>>> Others: 1755089285    n/a       n/a      0          0
>>>
>>>
>>> Any ideas? It seems to be working to some extent, although the
>>> "policed"
>>> counter is 0 and they're bursting a bit higher than they should be. I
>>> have
>>> similar policers on some 4948's and it works fine, is there something
>>> on the
>>> 3550 I should know about?
>>>
>>> Thanks!
>>> Chris
>>> _______________________________________________
>>> cisco-nsp mailing list  cisco-nsp at puck.nether.net
>>> https://puck.nether.net/mailman/listinfo/cisco-nsp
>>> archive at http://puck.nether.net/pipermail/cisco-nsp/
>> Here's what I'm using on a 3550 which is working:
>>
>> class-map match-all 2MBIT
>>   match ip dscp default
>>
>> policy-map 2MBIT
>>   class 2MBIT
>>     police 2000000 512000 exceed-action drop
>>
>> !
>> interface FastEthernet0/1
>>  switchport access vlan 606
>>  switchport mode access
>>  service-policy input 2MBIT
>>  speed 100
>>  duplex full
>>  no cdp enable
>>  spanning-tree bpdufilter enable
>>
>> switch#sh mls qos interface FastEthernet 0/1 statistics
>> FastEthernet0/1
>> Ingress
>>   dscp: incoming   no_change  classified policed    dropped (in bytes)
>> Others: 1859986733 1854120139 5866594    0          18280295
>> Egress
>>   dscp: incoming   no_change  classified policed    dropped (in bytes)
>> Others: 1461309424    n/a       n/a      0          0
>>
>>
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>>
>>
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