Portcfgfportbuffers – Dell POWEREDGE M1000E User Manual

Page 682

650

Fabric OS Command Reference

53-1001764-02

portCfgFportBuffers

Configures F_Port buffer allocation.

Synopsis

portcfgfportbuffers --enable [slot/]port buffers

portcfgfportbuffers --disable [slot/]port

Description

Use this command to change the default buffer allocation for an F_Port and to allocate a specified
number of buffers to the port. When port buffer allocation is enabled, the number of buffers
specified override the default F_Port buffer allocation. When the configuration is disabled, the
default buffer allocation is restored. Only an F_Port can utilize the buffers allocated by this
command, and the allocated buffers are reserved only for this port.

The F_Port buffer configuration is persistent across system reboots.

Use the portBufferShow command to determine current port buffer allocations.

.Notes

The execution of this command is subject to Virtual Fabric or Admin Domain restrictions that may
be in place. Refer to chapter 1, "Using Fabric OS Commands" and Appendix A, "Command
Availability" for details.

The F_Port buffer feature does not support ports configured as EX_Ports, Mirror Ports, Long
Distance Ports, L_Ports, QoS Ports, Fast Write, and Trunk Areas.

The Fabric OS port configuration commands are not supported on FCoE ports.

Operands

This command has the following operands:

enable

Enables the F_Port buffer configuration on a specified port. A port and buffer
allocation must be specified with this option.

.--disable

Disables the F_Port buffer configuration on a specified port.

slot

Specifies the slot number on bladed systems, followed by a slash (/).

buffers

Specifies the number of buffers to be allocated to the specified port. The
specified buffer allocation takes effect when the F_Port comes online. This
operand is required with the --enable option. The minimum buffer allocation
is the default number of buffers plus 1. The maximum is determined by the
remaining buffer allocations in the port's port group. Use BportBufferShow to
determine the number of remaining free buffers.

Examples

To allocate 12 buffers to an F_Port:

switch:admin>

portcfgfportbuffers --enable 2/44 12

To disable the port buffer configuration and return to the default buffer allocation:

switch:admin>

portcfgfportbuffers --disable 2/44 12