mopd - MOP loader daemon
mopd [-adf] [interface]
mopd services MOP Load requests on the Ethernet connected to
all interfaces if -a is given. In a load request received
by mopd a
filename can be given. This is the normal case for, e.g.,
servers. If a filename isn't given mopd must know what image to load.
Upon receiving a request, mopd checks if the requested file
/tftpboot/mop. The filename is normally all uppercase and
with an extension
of .SYS. If the filename isn't given, the Ethernet address of the
target is used as filename (e.g., 08002b09f4de.SYS), and it
might be a
soft link to another file.
mopd supports two kinds of files. The file is first checked
to see if it
is in a.out(5) format. If not, a few of Digital's formats
In normal operation, mopd forks a copy of itself and runs in
Anomalies and errors are reported via syslog(3).
The options are as follows:
-a Listen on all the Ethernets attached to the system.
If -a is
omitted, an interface must be specified.
-d Run in debug mode, with all the output to stdout.
will run in the foreground.
-f Run in the foreground.
mopa.out(1), mopchk(1), mopprobe(1), moptrace(1), bpf(4)
DECnet Digital Network Architecture Phase IV, Maintenance
Functional Specification V3.0.0, AA-X436A-TK.
DECnet Digital Network Architecture, Maintenance Operations
Functional Specification V4.0.0, EK-DNA11-FS-001.
Mats O Jansson <email@example.com>
a.out(5) isn't supported yet on non-BSD implementations
OpenBSD 3.6 September 24, 1995
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