---
name: "opagenchassis"
section: "8"
platform: "linux"
package: "opa-fastfabric"
version: "10.10.3.0.11-1+b2"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/opagenchassis"
---

# opagenchassis(8)

## NAME

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'