Process Overview: Port Priority and Rate Limiting Configuration
Configuring Port Priority
9-2 Matrix DFE-Platinum and Diamond Series Configuration Guide
9.2 PROCESS OVERVIEW: PORT PRIORITY AND RATE LIMITING
CONFIGURATION
Use the following steps as a guide to the port priority, QoS, and rate limiting configuration process:
1. Configuring Port Priority (Section 9.3.1)
2. Configuring Priority Queueing (Section 9.3.2)
3. Configuring Quality of Service (QoS) (Section 9.3.3)
4. Configuring Port Traffic Rate Limiting (Section 9.3.4)
9.3 PORT PRIORITY AND RATE LIMITING CONFIGURATION
COMMAND SET
9.3.1 Configuring Port Priority
Purpose
To view or configure port priority characteristics as follows:
• Display or change the port default Class-of Service (CoS) transmit priority (0 through 7) of each
port for frames that are received (ingress) without priority information in their tag header.
• Display the current traffic class mapping-to-priority of each port.
• Set each port to transmit frames according to 802.1D (802.1p) priority transmit queues set in the
frame header.
Commands
The commands to configure port priority are listed below and described in the associated section.
• show port priority (Section 9.3.2.1)
• set port priority (Section 9.3.1.2)
• clear port priority (Section 9.3.1.3)
NOTE: When CoS override is enabled using the set policy profile command as
described in Section 8.3.1.2, CoS-based classification rules will take precedence over
priority settings configured with the set port priority command described in this section.
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