# opagenchassis

Generates a list of IPv4, IPv6, and/or TCP names in a format acceptable for inclusion in the /etc/opa/chassis file.

## Syntax

    opagenchassis [-t portsfile] [-p ports]

## Options

`--help`
  Produces full help text.
`-t portsfile`
  Specifies the file with list of local HFI ports used to access fabric for analysis. Default is /etc/opa/ports file.
`-p ports`

  Specifies the list of local HFI ports used to access fabrics for counter clear.

  Default is first active port. The first HFI in the system is 1. The first port on an HFI is 1. Uses the format hfi:port, for example:
  `0:0`

    First active port in system.

  `0:y`

    Port `y` within system.

  `x:0`

    First active port on HFI `x`.

  `x:y`

    HFI `x`, port `y`.

## Environment Variables

The following environment variables are also used by this command:

`PORTS`
  List of ports, used in absence of `-t` and `-p`.
PORTS_FILE
  File containing list of ports, used in absence of `-t` and `-p`.

## Examples

    opagenchassis
    opagenchassis -p '1:1 1:2 2:1 2:2'