---
name: "ladvdc"
section: "8"
platform: "linux"
package: "ladvd"
version: "1.1.2-4"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/ladvdc"
---

# ladvdc(8)

display link layer advertisements

## NAME

ladvdc - display link layer advertisements

## SYNOPSIS

**ladvdc**  **\[** *INTERFACE* **\] \[** *INTERFACE* **\]** **...**

## DESCRIPTION

**ladvdc** displays link layer advertisements received by [**ladvd**(8)](/ladvd/8.md) running in receive mode (via -a or -z). Optionally a list of protocols and/or interfaces can be supplied to limit the amount of information displayed. Only users in the ladvd group are allowed to connect to the daemon.

## OPTIONS

- \-b

  Print output in a format suitable for inclusion in shell scripts.

- \-d

  Dump pcap-compatible packets to stdout which can be piped to tcpdump (via "\| tcpdump -r -") or redirected to a file for further analysis.

- \-f

  Print a full decode of each advertisement (not implemented).

- \-h

  Print usage instructions.

- \-o

  Only print the first advertisement.

- \-p http://domain.tld/script

  Post decoded packets to the supplied url.

- \-v

  Increase logging verbosity.

- \-L

  Parse LLDP (Link Layer Discovery Protocol).

- \-C

  Parse CDP (Cisco Discovery Protocol).

- \-E

  Parse EDP (Extreme Discovery Protocol).

- \-F

  Parse FDP (Foundry Discovery Protocol).

- \-N

  Parse NDP (Nortel Discovery Protocol) formerly called SynOptics Network Management Protocol (SONMP).

## AUTHOR

Sten Spans \<sten@blinkenlights.nl\>