From: John Matus (jmatus@pacbell.net)
Date: Thu Dec 15 2005 - 02:54:13 GMT-3
godswill
what about
policy-map llq
priority 2000
random-detect
random-detect prec-based
doesn't this also guarantee "at most" 2mb during times of congestion?
Regards,
John D. Matus
MCSE, CCNP
Office: 818-782-2061
Cell: 818-430-8372
jmatus@pacbell.net
----- Original Message -----
From: "Godswill Oletu" <oletu@inbox.lv>
To: "Chacko, Raj" <RChacko@DRAFTNET.com>; "'Cisco certification'"
<ccielab@groupstudy.com>
Sent: Wednesday, December 14, 2005 9:30 PM
Subject: Re: QOS question ; IE lab
> Chacko,
>
> WRED only work for TCP traffic. LLQ aka strict priority queuing was design
> with voice in mind, since voice are UDP traffic, a particular priority
> class can not be configured for WRED.
>
> You can expereiment with parent/child policies and see if that will work
> for you. Remember that, you also have the burst parament that you can use
> with llq.
>
> If you want some WRED, try CBWFQ instead.
>
> ie
> bandwidth 2000
> random-detect prec-based
>
> However, if you review the context of your original question, there are
> two things that sticked out:
>
> 1. Give the traffic priority forwarding.
> 2. Drop traffic excess of 2Meg during congestion.
>
> In my view LLQ fits more as the solution to meet the requirement than
> anything else. CBWFQ will guarantee the bandwidth during congestion, but
> will not give it priority forwarding. It is just like during this holiday
> season, the post-office will guarantee that, your gifts will get to your
> love ones before christmas, but they will not send them using priority
> class. If you want better service or priority service, you have to pay
> more $$$ and your package will always by pass every other package in queue
> in the load dock/Air port, etc and be number 1, why other "poor
> guaranteed" packages will be waiting for their turn in the queue.
>
>
> HTH
> Godswill Oletu
>
>
> ----- Original Message -----
> From: "Chacko, Raj" <RChacko@DRAFTNET.com>
> To: "'Godswill Oletu'" <oletu@inbox.lv>; "Chacko, Raj"
> <RChacko@DRAFTNET.com>; "'Cisco certification'" <ccielab@groupstudy.com>
> Sent: Wednesday, December 14, 2005 8:12 PM
> Subject: RE: QOS question ; IE lab
>
>
>> But where are you configuring WRED on here? If the matched traffic goes
>> over
>> 2Mbps, I need to set WRED on it. How do I do that? Nested policy may be?
>> TIA
>>
>> -----Original Message-----
>> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
>> Godswill Oletu
>> Sent: Wednesday, December 14, 2005 12:58 PM
>> To: Chacko, Raj; 'Cisco certification'
>> Subject: Re: QOS question ; IE lab
>>
>> Wouldn't
>>
>> class-map matched_traffic
>> match <match criteria>
>> !
>> policy-map mime
>> class matched_traffic
>> priority 2000
>> !
>>
>> Be a better approached?
>>
>> HTH
>> Godswill Oletu
>>
>> ----- Original Message -----
>> From: "Chacko, Raj" <RChacko@DRAFTNET.com>
>> To: "'Cisco certification'" <ccielab@groupstudy.com>
>> Sent: Wednesday, December 14, 2005 1:25 PM
>> Subject: QOS question ; IE lab
>>
>>
>>> Hi GS,
>>>
>>> If I am asked to match some kind of traffic, give it priority forwarding
>>> and
>>> also required to configure so that if the traffic matched goes over
>>> 2Mbps,
>>> it should be candidate for drop during congestion, how do I accomplish
>>> this?
>>>
>>>
>>>
>>> Here is what I have. I don't' think this is correct because all matched
>>> traffic seems to be randomly discarded?
>>>
>>> !
>>>
>>> >
>>> class aud_vid
>>>
>>> bandwidth 2000
>>>
>>> random-detect
>>>
>>> set dscp ef
>>>
>>> class class-default
>>>
>>> fair-queue
>>>
>>> !
>>>
>>>
>>>
>>> (this is from IE Vol2 lab 5, task 8)
>>>
>>>
>>>
>>> TIA
>>>
>>> Raj
>>>
>>>
>>>
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