How to config WRR to reserve min BW for incoming traffic frm specific ports

Unanswered Question
Nov 9th, 2007
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Hi,


On a Cat6513, I would like to mark all incoming traffic from two specific ports with different COS and then reserve min. 40% bandwidth for each port (2/1 and 2/2) on a trunk port (2/3).


E.g.


Port 2/1 - access port (COS 1) - reserve min. 40% bandwidth of 2/3

Port 2/2 - access port (COS 5) - reserve min. 40% bandwidth of 2/3

Port 2/3 - Trunk (dedicate link for above ports)


Is it possible if using wrr?


Here's my configuration:


set qos enable


set qos map 2q2t tx queue 2 2 cos 5,6,7

set qos map 2q2t tx queue 2 1 cos 1,2,3,4

set qos map 2q2t tx queue 1 1 cos 0


set qos txq-ratio 2q2t 10 90

set qos wrr 2q2t 100 255


set port qos 2/1 port-based

set port qos 2/1 cos 1


set port qos 2/2 port-based

set port qos 2/2 cos 5


However, I don't know how I can reserve min. 40% bandwidth for each port (2/1 and 2/2) if using 2q2t


Thanks in advance.


Rgds,

Ivan Cheng


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