NAME¶

ladvdc - display link layer advertisements

SYNOPSIS¶

ladvdc [ INTERFACE ] [ INTERFACE ] ...

DESCRIPTION¶

ladvdc displays link layer advertisements received by ladvd(8) 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>