Re: 3560 SRR sharing bandwidth

From: Matt Eason <matt.d.eason_at_gmail.com>
Date: Sun, 27 Jun 2010 15:40:35 +0800

Yes that is correct. Once the priority-queue out command is applied Q1 has
no bandwidth restriction.

On Sun, Jun 27, 2010 at 8:21 AM, manoj nanda <mnanda62_at_gmail.com> wrote:

> Guys: I am wondering if there is a way to police the traffic for the
> priority queue (queue-1 in this case).For example, if we use
> "priority-queue
> out" in this configuration, how do we avoid starving of other queues. Based
> on my reading it appears that the moment you put this command
> "priority-queue out" Q-1 becomes the king and can use whatever bandwidth it
> demands ignoring the shaping/sharing command !!
> Any guidance will be greatly appreciated!
> r/Manoj
>
> On Tue, Jun 22, 2010 at 6:31 PM, m.lammerse <m.lammerse_at_mac.com> wrote:
>
> > Hi Group,
> >
> > I'm trying to clarify my understanding of 3560 SRR shaping and
> > sharing. If I have both configured, as per below:
> >
> > Switch(config)# interface
> > gigabitethernet0/1
> > Switch(config-if)# srr-queue bandwidth shape 8 0 0 0
> > Switch(config-if)# srr-queue bandwidth share 4 4 4 4
> >
> > Will queues 2,3 and 4 be
> > able to use bandwidth that is reserved for queue 1 if queue 1 doesn't
> need
> > it?
> >
> > I understand that queue 1 will be guaranteed and limited to 1/8 of
> > 1Gbps. But what will be the bandwidth available for 2, 3 and 4? Is it
> > 4/(4+4+4) * interface speed (1Gbps). Or is it 4/(4+4+4) * remaining
> > bandwidth
> > (1Gbps-125Mbps)?
> >
> > Best regards,
> > Marcel
> >
> >
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Received on Sun Jun 27 2010 - 15:40:35 ART

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