Enterasys ssr-glx19-02 User Guide

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CoreWatch User’s Manual
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Chapter 12: Configuring QoS on the SSR
Figure 104. Queuing Discipline Configuration dialog box
5.
Specify whether you want to use strict priority or weighted-fair queuing by selecting 
the appropriate option.
6.
If you selected the Use Weighted-Fair Queuing option, set the amount of bandwidth 
you want allocated to each of the control, high, medium, and low priorities. If you 
selected Use Strict Priority Based Queuing, skip to 
.
The percentages you enter apply to all ports. Make sure the total percentages for all 
four priorities equals 100. You cannot set a control priority to 0%.
7.
Click OK.
Associating Precedences to Layer-3/Layer-4 Flows
You associate precedences to Layer-3/Layer-4 flows so that the SSR will be able to 
break ties if packets match more than one flow. You associate a precedence with a flow 
by assigning a precedence value to each field of the flows.
The fields to which you assign precedence values vary for IP and IPX. Separate 
discussions on assigning QoS precedences for IP and IPX follow.
Assigning IP QoS Precedence
You can set the QoS precedence for the following flow fields in IP traffic: