---
name: "iwpmd.conf"
section: "5"
platform: "linux"
package: "rdma-core"
version: "65.0-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/iwpmd.conf"
---

# iwpmd.conf(5)

iWARP port mapper config file.

## NAME

iwpmd.conf - iWARP port mapper config file.

## SYNOPSIS

```
iwpmd.conf
```

## DESCRIPTION

The iwpmd.conf file provides configuration parameters for iwpmd.  Parameters are in the form: param=value, and one per line.  Parameters include:

nl\_sock\_rbuf\_size - The socket buffer size of the netlink socket used to communicate with the kernel port map client.  The default is 400MB.

## EXAMPLES

nl\_sock\_rbuf\_size=419430400

## FILES

/etc/iwpmd.conf

## SEE ALSO

[iwpmd(8)](/iwpmd/8.md)