From: Eric Leung (eric.lwc@gmail.com)
Date: Tue Oct 09 2007 - 07:30:10 ART
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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