From: Eric Leung (eric.lwc@gmail.com)
Date: Tue Oct 09 2007 - 11:04:24 ART
Command Reference is always your friend to help you.
2007/10/9, Gregory Gombas <ggombas@gmail.com>:
>
> Wow thats a good tip...I don't ever recall having to explicitly
> disable flow control to get QOS working, then again I probably only
> worked on FE interfaces in the labs.
>
> Doesn't the mls qos command automatically take care of this for you?
>
> On 10/9/07, Eric Leung <eric.lwc@gmail.com> wrote:
> > Hi Thomas,
> >
> > Flowcontrol here refers to sending a pause frame to the other end when
> the
> > switch itself detect a congestion. When the remote switch receive this
> pause
> > frame, it will stop sending frames. To enable QoS on interfaces, you
> ahve to
> > disable Flowcontrol
> >
> > For default setting:
> > 1. GE port: flowcontrol send desired (meaning if the remote end supports
> > flowcontrol, the switch will send pause frame); flowcontrol receive off.
> >
> > 2. FE port: flowcontrol send off, flowcontrol receive off.
> >
> >
> > Just input "flowcontrol send off" at the Gigabit-Ethernet interfaces.
> >
> > HTH,
> > Eric.
> >
> >
> > 2007/10/9, thomas.rader@freesurf.ch <thomas.rader@freesurf.ch>:
> > >
> > > Hello,
> > >
> > > When I switch on mls qos on my 3350's (default config) it askes me to
> > > ensure that flow control is not configured.
> > >
> > > Flow control sounds like RS232 stuff, anyone know what this is and why
> it
> > > needs to be switched off ?
> > >
> > > Switch(config)#mls qos
> > > QoS: ensure flow-control on all interfaces are OFF for proper
> operation.
> > > Switch(config)#
> > >
> > > thanks
> > > Thomas
> > >
> > >
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