brad at qual.net
Tue Dec 8 23:47:18 UTC 1998
> One tidbit that is interesting: dwred on the
> cisco gives non tcp packets the lowest possible
non-ip .. sorry.
> priority. Thus, with an aggressive drop pattern
> (depending on how you have configured minth, maxth and
> exponential weight on the router) you will run into a problem.
> I am not sure as to who has dwred configured on congested
> interfaces at exchanges. You can throw packets
> into one of 8 precedence levels @ your border and
> then craft red to select harshly against low vs. high
> priority. However, upon observation of a network
> without car matching certain types of traffic and
> setting priorities, i see about 3 orders of magnitude
> difference in packets moving at the lowest precedence
> compared to packets moving at higher precedences.
> RED considerations are not necessarily the cause
> of your problem, but it is a possibility which is
> worth investigating.
> more cisco implementaion specific information at:
More information about the NANOG