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This chapter describes the Cisco NX-OS quality of service (QoS) commands that begin with H.
To configure the QoS TCAM limit, use the hardware profile tcam feature interface-qos limit command.
hardware profile tcam feature interface-qos limit tcam-size
Interface QoS TCAM limit. The TCAM size can be from 7- 446 entries. |
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No interface policy entry should be present after the interface_qos limit in the QoS region of any TCAM.
This example shows how to set the interface QoS TCAM limit to 20 entries:
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To enable the virtual output queuing (VOQ) limit for unicast traffic on a switch, use the hardware unicast voq-limit command. To disable the VOQ limit, use the no form of this command.
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To alleviate congestion and blocking, you can use virtual output queuing (VOQ) to prevent one blocked receiver from affecting traffic that is being sent to other noncongested receivers (head-of-line blocking).
This example shows how to enable the VOQ limits for unicast packets on a switch:
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