Avaya BCM 2.0 Programming Guide de l'utilisateur télécharger pdf (Page 225)

Configuring Enterprise Edge Services 225

P0911588 Issue 01 Enterprise Edge 2.0 Programming Operations Guide

QoS performance graphs and tables

To access QoS performance graphs and tables:

1. Choose QoS,clickPerformance onthemenubarandthenclickQoS Session

Graph.

The QoS Performance Graph appears.

2. On the menu, click Performance andthenclickQoS Session Table.

The QoS Performance Table appears.

3. Access the remaining QoS graphs and QoS tables by following the steps for

QoS Session Graphs and Tables.

Port Range Setting for Legacy Networks

Enterprise Edge uses UDP port ranges to provide high priority to VoIP packets in

existing legacy IP networks. You must reserve these same port ranges and set them

to high priority on all routers that an administrator expects to have QoS support.

You do not need to reserve port ranges on DiffServ networks.

You can select any port ranges that are not used by well-known protocols or

applications.

Each H.323 or VoIP RTP flow uses two ports. The total number of UDP port

numbers to be reserved depends on how many concurrent RTP flows are expected

to cross a router interface. In general:

• Backbone routers reserve more ports than edge routers.

• The port ranges on edge routers are a subset of the backbone router port ranges.

• Include port number UDP 5000 in the reserved port ranges.

• The port ranges reserved in an Enterprise Edge system are also reserved by the

remote router.

• You must reserve two ports for each voice call you expect to carry over the

WAN link. The system requires two additional ports for each video session if

the video traffic is treated as premium traffic.

• You can reserve multiple discontinuous ranges. Enterprise Edge requires that

each range meet the following conditions:

- Each range must start with an even number.

-There must be an even number of ports in a range.

See Appendix C: Setting Up Remote Routers on page 389 for additional

information on setting UDP port ranges on remote routers.

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Avaya BCM 2.0 Programming Guide de l'utilisateur Page 225