Re: 3560 policing

Yuck.
This seems to show only output queue drops, and it's all zeroes in the
switch at hand.

What I'm after is policed drops, which in the case of a 3750 can only be
done on input.
I played with show platform qos policer et al and no command seems to
show any relevant data.

-Carlos

marc edwards @ 16/08/2012 20:45 -0300 dixit:
> I am not sure how relevant output would be for confirming policy.... but
> working with Cisco, I was instructed to do a 'sh platform port-asic stats
> drop' which is most accurate view of congestion events and amount of frames
> dropped per port and queue.
>
> HTH
>
> Marc
>
> On Thu, Aug 16, 2012 at 4:12 PM, Carlos G Mendioroz <tron_at_huapi.ba.ar>wrote:
>
>> Joe Sanchez @ 16/08/2012 19:28 -0300 dixit:
>>
>> Carlos,
>>> Can you share a little of your conifguration of a single policed VLAN?
>>> Thanks
>>>
>>>
>> Sure:
>> mls qos
>> ...
>> class-map match-all calabozoin
>> match access-group 121
>> class-map match-all fromEduca71
>> match input-interface GigabitEthernet1/0/24
>> class-map match-all fromEduca72
>> match input-interface GigabitEthernet2/0/24
>>
>> policy-map me-in
>> class calabozoin
>> set ip precedence 1
>> service-policy pol-me-in
>>
>> policy-map pol-me-in
>> class fromEduca71
>> police 1000000 8000 exceed-action drop
>> class fromEduca72
>> police 1000000 8000 exceed-action drop
>> ...
>> interface GigabitEthernet1/0/24
>> description SF08-A (trunk)
>> switchport trunk encapsulation dot1q
>> switchport mode trunk
>> mls qos vlan-based
>> ...
>> interface Vlan7
>> service-policy input me-in
>> ...
>>
>>
>> Joe Sanchez @ 16/08/2012 19:35 -0300 dixit:> This is all that I can think
>> of to view the statistics.
>>
>>>
>>> show mls qos maps policed-dscp
>>>
>>> show mls qos interface
>>>
>>> show mls qos interface interface x/y policers
>>>
>>> show mls qos interface interface x/y statistics
>>
>> All of them do not show data. Show policers seem to be directed to a
>> policer attached to the whole interface. Show stats also show that as a
>> last line. It seems there's no way to find out what's going on, which is
>> troubling. They are working for sure, but who knows how...
>>
>> Thanks for paying attention,
>> -Carlos
>>
>> On Thu, Aug 16, 2012 at 4:36 AM, Carlos G Mendioroz <tron_at_huapi.ba.ar
>>> <mailto:tron_at_huapi.ba.ar>> wrote:
>>>
>>> Hi,
>>> I have been trying to use a 3750 to do per port per vlan policing.
>>> These small headed switches can do hardware policing, and support
>>> some CBMQC configurations.
>>> To do policing on a per port per vlan you need a 2 level policy with
>>> class and some action on parent and incoming interface selection +
>>> police on child applied on SVI, and mls qos vlan based on IF, AFAIK.
>>>
>>> This seems to work, but the problem is that I have not found any
>>> command that actually shows that, i.e., how many conforming and
>>> dropped packets are there.
>>>
>>> Any hints ?
>>> Show mls qos interface policers and stats do not show info :(
>>>
>>> TIA,
>>> -Carlos
>>> --
>>> Carlos G Mendioroz <tron_at_huapi.ba.ar <mailto:tron_at_huapi.ba.ar>>
>>> LW7 EQI Argentina
>>>
>>>
>>> Blogs and organic groups at http://www.ccie.net <http://www.ccie.net/
>>>>
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>>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>> --
>> Carlos G Mendioroz <tron_at_huapi.ba.ar> LW7 EQI Argentina
>>
>>
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-- 
Carlos G Mendioroz  <tron_at_huapi.ba.ar>  LW7 EQI  Argentina
Blogs and organic groups at http://www.ccie.net