Re: Input queues on 3560

From: gs gs <gs4me2me_at_gmail.com>
Date: Fri, 7 Sep 2012 20:56:23 +0200

Marc, thanks!

In output you send also doesnt exist information for ingress queues, only
for egress (output queues enqueued: and output queues dropped).

I asking that because I have some testing and notice illogical stuff based
on what I read in documentation that marking is done before queuing and
scheduling.

http://www.cisco.com/en/US/docs/switches/lan/catalyst3560/software/release/12
.2_58_se/configuration/guide/swqos.html#wp1157616

This is the scenario:

SW1  trunk  SW2  trunk  SW3

From SW1 come packet with DSCP 46

On SW2 is configuration:

interface FastEthernet0/2

 description TO SW1

 switchport tr en dot1q

 switchport mode trunk

 service-policy input MATCH_ANY

class-map match-all MATCH_ALL

 match access-group name MATCH_ALL

!

policy-map MATCH_ALL

 class MATCH_ALL

  set ip dscp cs3

!

ip access-list extended MATCH_ALL

 permit ip any any

With sh mls qos int f0/2 st I see increasing counters for DSCP 46, not for
DSCP 24

On egress interface toward SW3 packet leaving SW2 with CoS 3, DSCP 24 which
is ok.

So, how I can confirm that on ingress interface packet is classified based
on DSCP 24 and not on DSCP 46?

On Fri, Sep 7, 2012 at 7:40 PM, marc edwards <renorider_at_gmail.com> wrote:

> This is 3750 but should have same architechture. You can use:
>
> usscsw333idf2-1#sh mls qos interface gigabitEthernet 1/0/1 statistics
> GigabitEthernet1/0/1 (All statistics are in packets)
>
> dscp: incoming
> -------------------------------
>
> 0 - 4 : 17766 0 0 0 0
>
> 5 - 9 : 0 0 0 0 0
>
> 10 - 14 : 0 0 0 0 0
>
> 15 - 19 : 0 0 0 0 0
>
> 20 - 24 : 0 0 0 0 0
>
> 25 - 29 : 0 352235 0 0 0
>
> 30 - 34 : 0 0 0 0 0
>
> 35 - 39 : 0 0 0 0 0
>
> 40 - 44 : 0 0 0 0 0
>
> 45 - 49 : 0 0 0 0 0
>
> 50 - 54 : 0 0 0 0 0
>
> 55 - 59 : 0 0 0 0 0
>
> 60 - 64 : 0 0 0 0
> dscp: outgoing
> -------------------------------
>
> 0 - 4 : 24151 0 0 0 16
>
> 5 - 9 : 0 0 0 157255 0
>
> 10 - 14 : 0 0 0 0 0
>
> 15 - 19 : 0 0 0 0 0
>
> 20 - 24 : 0 0 0 0 20
>
> 25 - 29 : 0 1 0 0 0
>
> 30 - 34 : 0 0 0 0 0
>
> 35 - 39 : 0 0 0 0 0
>
> 40 - 44 : 0 0 0 0 0
>
> 45 - 49 : 0 4 0 2122388 0
>
> 50 - 54 : 0 0 0 0 0
>
> 55 - 59 : 0 0 0 0 0
>
> 60 - 64 : 0 0 0 0
> cos: incoming
> -------------------------------
>
> 0 - 4 : 373384 0 0 2 0
>
> 5 - 7 : 0 0 0
> cos: outgoing
> -------------------------------
>
> 0 - 4 : 7171779 0 0 5942 0
>
> 5 - 7 : 172 8078588 4467035
> output queues enqueued:
> queue: threshold1 threshold2 threshold3
> -----------------------------------------------
> queue 0: 2 0 0
> queue 1: 9043444 670498 4467547
> queue 2: 0 0 0
> queue 3: 0 0 5542430
>
> output queues dropped:
> queue: threshold1 threshold2 threshold3
> -----------------------------------------------
> queue 0: 0 0 0
> queue 1: 0 0 0
> queue 2: 0 0 0
> queue 3: 0 0 0
>
> Policer: Inprofile: 0 OutofProfile: 0
>
> Is this what you are looking for?
>
> On Fri, Sep 7, 2012 at 4:30 AM, gs gs <gs4me2me_at_gmail.com> wrote:
>
>> Is there any way to see on 3560 switches in which input queue packets are
>> placed?
>>
>> Like for egress queues: sh platform port-asic stats enqueue f0/1
>>
>>
>>
>> Thanks
>>
>>
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Received on Fri Sep 07 2012 - 20:56:23 ART

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