Re: Question about QoS on C3750

Dear Joe Astorino,

Thanks. Means the percent of buffer is refer to the interface bandwidth ??

Kawaii

2011/7/18 Joe Astorino <joeastorino1982_at_gmail.com>

> I think you should be just fine with the default queueing mechanisms if you
> put your video traffic in the priority queue. The default buffers give you
> 25% of the interface buffer in the priority queue and 400% maximum
> (borrowing from the common pool). 25% of your Gig interface gives you
> 250Mb/s
>
> To see what you have allocated check out "show mls qos queue-set" and "sh
> mls qos interface <x/y> queueing"
>
> On Mon, Jul 18, 2011 at 4:10 AM, kawaii mak <kawaii00mak_at_gmail.com>wrote:
>
>> Dear Expert,
>>
>> I have a question about QoS apply on C3750 egree 1-GE uplink (Trunk)
>> interface with SRR queueing system. I need to allow the video traffic
>> (~200M) with high priority to use the GE uplink while the 1G uplink was
>> congested. How can I do that ?? The following is my question:
>>
>> Is it request to mark the cos of cs5 for the Video vlan traffic and set
>> the
>> cs5 with queue1 upder assigned queue-set as priority queue1 ??
>> Is the default queue set enough to priority the 200M streaming traffic go
>> first while the 1G link was congested ??
>> How to check the actually buffer bandwidth (e.g. bps) of the allocated
>> bandwidth for each queue ??
>> Or how to check the actually allocated bandwidth (e.g. in bps) for each
>> queue ??
>> For each queue, default configuration sets 400% as the maximum memory
>> before
>> dropped. How to check 400% is equal (in bps)??
>>
>> P'se help!!! Thank.
>>
>> Regards,
>> Kawaii
>>
>>
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>
>
> --
> Regards,
>
> Joe Astorino
> CCIE #24347
> Blog: http://astorinonetworks.com
>
> "He not busy being born is busy dying" - Dylan

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Received on Tue Jul 19 2011 - 11:02:41 ART