Priority-Queue - Cisco Catalyst 2960 Command Reference Manual
Hide thumbs
Also See for Catalyst 2960:
- Configuration manual (2288 pages) ,
- Software configuration manual (980 pages) ,
- Command reference manual (800 pages)
Table of Contents
Advertisement
priority-queue
priority-queue
Use the priority-queue interface configuration command to enable the egress expedite queue on a port.
Use the no form of this command to return to the default setting.
Syntax Description
out
Defaults
The egress expedite queue is disabled.
Command Modes
Interface configuration
Command History
Release
12.2(25)FX
Usage Guidelines
When you configure the priority-queue out command, the shaped round robin (SRR) weight ratios are
affected because there is one fewer queue participating in SRR. This means that weight1 in the srr-queue
bandwidth shape or the srr-queue bandwidth shape interface configuration command is ignored (not
used in the ratio calculation). The expedite queue is a priority queue, and it is serviced until empty before
the other queues are serviced.
Follow these guidelines when the expedite queue is enabled or the egress queues are serviced based on
their SRR weights:
•
•
•
Examples
This example shows how to enable the egress expedite queue when the SRR weights are configured. The
egress expedite queue overrides the configured SRR weights.
Switch(config)# interface gigabitethernet0/2
Switch(config-if)# srr-queue bandwidth shape 25 0 0 0
Switch(config-if)# srr-queue bandwidth share 30 20 25 25
Switch(config-if)# priority-queue out
Catalyst 2960 Switch Command Reference
2-226
priority-queue out
no priority-queue out
Enable the egress expedite queue.
Modification
This command was introduced.
If the egress expedite queue is enabled, it overrides the SRR shaped and shared weights for queue 1.
If the egress expedite queue is disabled and the SRR shaped and shared weights are configured, the
shaped mode overrides the shared mode for queue 1, and SRR services this queue in shaped mode.
If the egress expedite queue is disabled and the SRR shaped weights are not configured, SRR
services the queue in shared mode.
Chapter 2
Catalyst 2960 Switch Cisco IOS Commands
78-16882-01
Hide quick links:
Advertisement
Table of Contents
