# opaportinfo

(Host or Switch) Displays configuration and state of a specified Intel® Omni-Path Host Fabric Interface (HFI) port on the local host or a remote switch.

## Syntax

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

## Options

`-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 and -p options permit a variety of selections:

`-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.

## Debug Options

`-v`

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

## Examples

    opaportinfo -p 1
    opaportinfo -p 2 -h 2 -l 5 -m 18

## Description

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.