From: Hunt Lee (ciscoforme3@yahoo.com.au)
Date: Sun Mar 30 2003 - 10:13:17 GMT-3
Hi,
For Weighted Fair Queueing (WFQ) & Weighted Random Early detection (WRED) when using
with RSVP, is there any rules / calculations on how to derive which values to use
for "fair-queue" command & for "random-detect precedence rsvp" command ?
I have read a number of e.g. from CCO and books, and they are seem to have pick
their own values, but without giving much of an explanation of why / how they get to
those values...
interface s0
ip rsvp bandwidth 48 48
random-detect
random-detect precedence rsvp 230 256 100 <---- how to decide on these 3 values?
The book says these stand for "min threshold", "max threshold" &
"mark-prob-denominator"... but it didn't go in detail on what they mean or how to
get to these values...
For instance, does min threson of 230 means it can send 230 min per second?
-----------------------------
interface s0
ip rsvp bandwidth 10 10
fair-queue 64 256 1000 <----- and how about these 3?
The book says the 3 values stand for "conegestive discard threshold", "dynamic
queues" & "reservable-queues", but doesn't explain what they mean neither...
If anyone can shed some light on this, that would be greatly appreciated ;)
Regards,
L.
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