From: Gregory Gombas (ggombas@gmail.com)
Date: Tue Oct 09 2007 - 10:52:51 ART
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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