RE: checking DSCP marking on the traffic

From: BALAKRISHNAN Balaji <Balaji.BALAKRISHNAN_at_swift.com>
Date: Fri, 9 Sep 2011 00:12:33 +0200

Problem is I can't do show command on the originating switch.. I want to check on the intermediate router or switch to confirm that the dscp marking is preserved and not lost during the transit.
No wireshark is not an option.

Rgds
Bala
 

>-----Original Message-----
>From: JB Poplawski [mailto:jb.poplawski_at_gmail.com]
>Sent: Thursday, September 08, 2011 5:57 PM
>To: BALAKRISHNAN Balaji
>Cc: ccielab_at_groupstudy.com
>Subject: Re: checking DSCP marking on the traffic
>
>Well the hitcounts should show you it's happening. Narbik has a good
>lab where you create an ACL with every marking and perform various
>pings.
>
>The other option would be to span a port and use Wireshark. By the
>way you worded that last comment, I'm assuming that's what you meant.
>http://www.wireshark.org/
>
>
>On Thu, Sep 8, 2011 at 4:52 PM, BALAKRISHNAN Balaji
><Balaji.BALAKRISHNAN_at_swift.com> wrote:
>> Thanx..
>>
>> But I am looking for something that shows that marking on the traffic
>>
>>
>>
>>>-----Original Message-----
>>>From: JB Poplawski [mailto:jb.poplawski_at_gmail.com]
>>>Sent: Thursday, September 08, 2011 5:20 PM
>>>To: BALAKRISHNAN Balaji
>>>Subject: Re: checking DSCP marking on the traffic
>>>
>>>show policy-map int
>>>
>>>You should see hit counts on the show commands.
>>>JB
>>>
>>>
>>>On Thu, Sep 8, 2011 at 3:49 PM, BALAKRISHNAN Balaji
>>><Balaji.BALAKRISHNAN_at_swift.com> wrote:
>>>> Hi all,
>>>>
>>>> Struggling to find any show or debug commands that would tell you the DSCP
>>>> setting/marking on the traffic. Following is the sample configs,
>>>>
>>>>
>>>> policy-map PM-FIN
>>>> class class-default
>>>> set ip dscp af11
>>>> !
>>>> interface GigabitEthernet1/3
>>>> service-policy input PM-FIN
>>>> !
>>>> class-map match-all CM-FIN
>>>> match ip dscp af11
>>>> !
>>>> policy-map PM-child
>>>> class CM-FIN
>>>> bandwidth percent 40
>>>> class class-default
>>>> bandwidth percent 60
>>>> !
>>>> policy-map PM-parent
>>>> class class-default
>>>> shape average 1000000
>>>> service-policy PM-child
>>>>
>>>> !
>>>> interface GigabitEthernet0/3
>>>> service-policy output PM-parent
>>>>
>>>>
>>>>
>>>> How do I verify that the traffic coming on the Gig 1/3 correctly marked with
>>>> af11 and correctly matched by the class CM-FIN ??
>>>>
>>>> Thanx for the help.
>>>>
>>>>
>>>> Rgds
>>>> Bala
>>>>
>>>>
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Received on Fri Sep 09 2011 - 00:12:33 ART

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