hardware pq-drain
To configure the proxy-queue drain rate settings, use the hardware pq-drain command in global configuration mode. To disable proxy-queue drain settings, use the no form of this command.
hardware pq-drain 10g 10g-drain-rate 40g 40g-drain-rate
no hardware pq-drain
Syntax Description
|
10g 10g-drain-rate |
Proxy Queue drain rate for the 10 G interface. The range is from 1 Mbps to 20000 Mbps. |
|
40g 40g-drain-rate |
Proxy Queue drain rate for the 10 G interface. The range is from 1 Mbps to 80000 Mbps. |
Command Default
Disabled
Command Modes
Global configuration mode
Command History
|
Release |
Modification |
|---|---|
|
7.0(0)N1(1) |
This command was introduced. |
Usage Guidelines
 Note |
This command is applicable to only Cisco Nexus 6000 switches. |
When the proxy queue reaches a threshold that indicates congestion, Explicit Congestion Notification (ECN) marking is performed so that the receiver of the packet echoes the congestion indication to the sender. The proxy-queue drain rate is configured to ensure that during congestion at egress ports only a certain amount of packets are drained.
Examples
This example shows how to configure proxy-queue settings to drain 9900 Mbps of traffic from 10 Gigabit interfaces and 39900 Mpbs of traffic from 40 Gigabit interfaces:
switch(config)# hardware pq-drain 10g 9900 40g 39900
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