ndptool(8)

ndptool8

Neighbor discovery protocol tool

Usage

ndptool -h

Overview

messages.

Options

-h, --help

Print help text to console and exit.

-v, --verbose

Increase output verbosity.

-t type, --msg-type type

Specified message type. Following are supported:

rs - Router Solicitation.

ra - Router Advertisement.

ns - Neighbor Solicitation.

na - Neighbor Advertisement.

-i ifname, --ifname ifname

Specified interface name.

-D dest, --dest dest

Specified dest address in IPv6 header for NS/NA message.

-T target, --target target

Specified target address in ICMPv6 header for NS/NA message.

-U, --unsolicited

Send Unsolicited NA.

Command

monitor

Monitor incoming NDP messages and print them out.

send

Send NDP message of specified type.

Releases

7 releases since Debian 8 (Jessie); the text changed 2 times.

  1. 8
  2. 9–11
  3. 12–Arch

--dest since Debian 12 (Bookworm); --target since Debian 12 (Bookworm); --unsolicited since Debian 9 (Stretch); -D since Debian 12 (Bookworm); -T since Debian 12 (Bookworm); -U since Debian 9 (Stretch).

Author

Jiri Pirko is the original author and current maintainer of libndp.

From libndp 1.9-1 in Arch Linux 2026-11-01. Parsed by carta from the page's man source.