Users Guide

Version Description
9.2(0.0) Introduced on the M I/O Aggregator.
Usage information If you do not use the statistics parameter, both hardware and DCBx counters clear.
dcb-enable
Enable data center bridging.
Syntax
dcb enable
To disable DCB, use the no dcb enable command.
Defaults none
Command Modes CONFIGURATION
Supported Modes Programmable-Mux (PMUX)
Command History
Version Description
9.9(0.0) Introduced on the FN IOM.
9.4(0.0) Supported on the FN I/O Aggregator.
9.2(0.0) Introduced on the M I/O Aggregator.
Usage Information DCB is not supported if you enable link-level flow control on one or more interfaces.
dcb enable pfc-queues
Congure the number of PFC queues.
Syntax
dcb enable pfc-queues value
Parameters
value Enter the number of PFC queues. The range is from 1 to 4. The number of ports
supported based on lossless queues congured will depend on the buer.
Default 2
Command Modes CONFIGURATION mode
Supported Modes Programmable-Mux (PMUX)
Command History
Version Description
9.9(0.0) Introduced on the FN IOM.
9.6(0.0) Supported on the FN 2210S Aggregator.
9.3(0.0) Supported on the M I/O Aggregator.
9.3(0.0) Supported on the MXL 10/40GbE Switch IO Module platform.
Usage Information You can congure up to a maximum of four lossless (PFC) queues. By conguring four lossless queues, you can
congure four dierent priorities and assign a particular priority to each application that your network is used to
process. For example, you can assign a higher priority for time-sensitive applications and a lower priority for other
services, such as le transfers. You can congure the amount of buer space to be allocated for each priority and
98 Data Center Bridging (DCB)