---
name: "devlink-lc"
section: "8"
platform: "linux"
package: "iproute2"
version: "7.3.0-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/devlink-lc"
---

# devlink-lc(8)

devlink line card configuration

## NAME

devlink-lc - devlink line card configuration

## SYNOPSIS

**devlink** \[ *OPTIONS* \] **lc**  { *COMMAND* \|  **help** }

*OPTIONS* := {  **-V**\[*ersion*\] }

**devlink lc set** *DEV* **lc** *LC\_INDEX* \[ **type** { *LC\_TYPE* \|  **notype** } \]

**devlink lc show** \[ *DEV* \[  **lc** *LC\_INDEX* \] \]

**devlink lc help**

## DESCRIPTION

### devlink lc set - change line card attributes

- *DEV*

  Specifies the devlink device to operate on.

  Format is: BUS\_NAME/BUS\_ADDRESS

- **lc** *LC\_INDEX*

  Specifies index of a line card slot to set.

- **type** {

  *LC\_TYPE* \|  **notype** }  Type of line card to provision. Each driver provides a list of supported line card types which is shown in the output of **devlink lc show** command.

### devlink lc show - display line card attributes

- *DEV*

  Specifies the devlink device to operate on. If this and **lc** arguments are omitted all line cards of all devices are listed.

- **lc** *LC\_INDEX*

  Specifies index of a line card slot to show.

## EXAMPLES

devlink lc show

Shows the state of all line cards on the system.

devlink lc show pci/0000:01:00.0 lc 1

Shows the state of line card with index 1.

devlink lc set pci/0000:01:00.0 lc 1 type 16x100G

Sets type of specified line card to type *16x100G*.

devlink lc set pci/0000:01:00.0 lc 1 notype

Clears provisioning on a line card.

## SEE ALSO

[**devlink**(8)](/devlink/8.md), [**devlink-dev**(8)](/devlink-dev/8.md), [**devlink-port**(8)](/devlink-port/8.md), [**devlink-monitor**(8)](/devlink-monitor/8.md),\

## AUTHOR

Jiri Pirko \<jiri@nvidia.com\>