opaportinfo

opaportinfo [-l lid [-m dest_port]] [-h hfi] [-p port] [-v]

-l lid

Specifies the destination LID. Default is local port.

-m dest_port

Specifies the destination port. Default is port with given LID. Useful to access switch ports.

-h hfi

Specifies the HFI to send through/to. Default is first HFI.

-p port

Specifies the port to send through/to. Default is first port.

-h 0

First active port in system (Default).

-h 0 -p 0

First active port in system.

-h x

First active port on HFI x.

-h x -p 0

First active port on HFI x.

-h 0 -p y

Port y within system (no matter which ports are active).

-h x -p y

HFI x, port y.

-v

Specifies the verbose output. Additional invocations (-v -v ...) turn on debugging, openib debugging, and libibumad debugging.

opaportinfo -p 1

opaportinfo -p 2 -h 2 -l 5 -m 18

To access switch ports using this command, the -l and -m options must be given. The -l option specifies the LID of switch port 0 (the logical management port for the switch) and -m specifies the actual switch port to access.