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MOPTRACE(1) General Commands Manual MOPTRACE(1)

moptraceMOP Trace Utility

moptrace [-3 | -4] [-ad] interface

moptrace prints the contents of MOP packages on the Ethernet connected to interface or all known interfaces if -a is given.

The options are as follows:

Ignore MOP V3 messages (Ethernet II).
Ignore MOP V4 messages (Ethernet 802.3).
Listen on all the Ethernets attached to the system. If -a is omitted, an interface must be specified.
Run in debug mode, with all the output to stderr.

mopa.out(1), mopchk(1), mopprobe(1), mopd(8)

DECnet Digital Network Architecture Phase IV, Maintenance Operations Functional Specification V3.0.0, AA-X436A-TK.

DECnet Digital Network Architecture, Maintenance Operations Protocol Functional Specification V4.0.0, EK-DNA11-FS-001.

Mats O Jansson <>

July 6, 2017 OpenBSD-current