LLDPD(8) | System Manager's Manual | LLDPD(8)

# NAME

`lldpd` — Link Layer Discovery Protocol (LLDP) daemon

# SYNOPSIS

`lldpd` | [`-d`] [`-s` socket]

# DESCRIPTION

The `lldpd` daemon receives Link Layer Discovery Protocol (LLDP) messages on Ethernet interfaces and stores them for display by lldp(8).

LLDP is a link layer protocol for advertising and discovering identity and capability.

The options are as follows:

`-d`
  Do not daemonize. If this option is specified, `lldpd` will run in the foreground and log to stderr.
`-s` socket
  Use socket to communicate with lldp(8).

# FILES

/var/run/lldp.sock
  default `lldpd` control socket

# SEE ALSO

lldp(8)

# STANDARDS

Station and Media Access Control Connectivity Discovery, IEEE 802.1AB.

# HISTORY

The `lldpd` program first appeared in OpenBSD 7.8.

May 16, 2025 | Debian