Tx-Queue - Cisco 4500M Command Reference Manual

tx-queue

tx-queue
To configure the transmit queue parameters for an interface, use the tx-queue command. To return to the
default value, use the no form of this command.
Syntax Description
queue-id
bandwidth bandwidth-rate
priority high
shape shape-rate
Defaults
The default settings are as follows:
•
•
•
Command Modes
Interface configuration
Command History Release
12.1(8a)EW
Usage Guidelines
The bandwidth and shape rates cannot exceed the maximum speed of the interface.
Bandwidth can be configured only on the following:
•
•
•
•
•
Only transmit queue 3 can be configured to be a high-priority transmit queue.
Examples
This example shows how to allocate bandwidth on que ue 1 to 100 MBPS:
Switch(config-if)# tx-queue 1
Catalyst4500 Series SwitchCiscoIOS Command Reference—Release 12.2(18)EW
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tx-queue [queue-id ] {bandwidth bandwidth-rate | priority high | shape shape-rate}
no tx-queue
Encapsulation type is dependent on the platform or interface hardware.
QoS enabled bandwidth rate is 4:255.
QoS disabled bandwidth rate is 255:1.
Modification
Support for this command was introduced on the Catalyst 4500 series switch.
Uplink ports on Supervisor Engine III (WS-X4014)
Ports on the WS-X4306-GB module
The two 1000BASE-X ports on the WS-X4232-GB-RJ module
The first two ports on the WS-X4418-GB module
The two 1000BASE-X ports on the WS-X4412-2GB-TX module
Chapter2 Cisco IOS Commands for the Catalyst 4500 Series Switches
(Optional) Number of the queue; valid values are from 1 to 4.
Specifies traffic bandwidth; valid values are from 16000 to
1000000000 bits per second.
Specifies high priority.
Specifies the maximum rate that packets are passed through a
transmit queue; valid values are from 16000 to 1000000000 bits per
second.
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