From: simon hart (simon.hart@btinternet.com)
Date: Tue Mar 29 2005 - 16:50:47 GMT-3
Mani,
Under these conditions and assuming that this is a Layer 3 port on fa0/9
then all of your traffic will be sent with prec 5.
The 75% rule does not mean that traffic exceeding 75% will go into the
default queue, in fact all ip traffic in you config will go in the C-PREC
queue. When the link is congested then you will only have 75% of the
bandwidth for your IP traffic.
You may ask what is happening to the other 25%, well this is set aside for
you L2 traffic - i.e. keep alives etc.
S.
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of mani
poopal
Sent: 29 March 2005 18:25
To: ccielab@groupstudy.com
Subject: switch QOS with ip precedence
Hi Guys,
My goal is to allow all traffic from a server connected to fa 0/9 of a
switch port to ip precedence critical. Pls check the following config, if
I configure like this what will happen to default class(25% of bw). So if
traffic exceeds 75% remaining will be assigned a defalt precedence value of
0, should I make max reserve-bandwidth 100 or for default-class to should I
assign ip precedence of 0.(ie class class-default/set ip precedence 5) Any
help is appreciated.
================================
3550(config)#mls qos
3550(config)#class-map C-PREC
3550(config-cmap)#match any
3550(config)#policy-map P-PREC
3550(config-pmap)#class C-PREC
3550(config-pmap-c)#set ip precedence 5
3550(config)#int fa 0/9
3550(config-if)#service-policy input P-PREC
================================
thanks
Mani
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