Avaya BSGX4e User's Guide download pdf (Page 108)

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108 BSGX4e Business Gateway User Guide

NN47928-102 Release 01.01

Selecting Layer 2 QoS Settings

To select a layer 2 QoS type setting, enter the following command:

> config switch qos setting

Table 30 describes the parameters for config switch qos setting.

Mapping Port Numbers to Priority Queues

The initial setting for layer 2 QoS maps packets to priority queues based on the port

number. Initially, all port numbers are mapped to the lowest priority queue

(LOWESTQ). Use the following command to map port numbers to the higher-priority

queues:

> config switch qos port

Table 31 describes the parameters for config switch qos port.

Mapping IEEE 802.1p Tags to Priority Queues

If 8021p is selected as the layer 2 QoS type, use the following command to map tag

values to priority queues:

> config switch qos ieee

For the default mapping of tag values to priority queues, see Table 29.

Table 32 describes the parameters for config switch qos ieee.

Table 30. Layer 2 QoS Setting Parameters

Parameter Description

type Packet value that layer 2 QoS uses to classify traffic (port |

TOSDiff | 8021p ). The initial setting is port.

scheduling Method of QoS scheduling to use (wfq for Weighted Fair

Queueing or fixed for fixed scheduling). The default is wfq.

Table 31. Layer 2 QoS Port Mapping Parameters

Parameter Description

[port] Port number range to map to the priority queue (1 to 4).

priority Priority queue (LOWESTQ | LOWQ | HIGHQ | HIGHESTQ).

Table 32. Layer 2 QoS 802.1p Tag Mapping Parameters

Parameter Description

[ieee] Range of IEEE 802.1p tag values (0 to 7).

priority Priority queue (LOWESTQ | LOWQ | HIGHQ | HIGHESTQ).

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