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OpenVMS Hobbyist Program | VAX Systems Forums | Emulated VAX Forum
Author Easy Decnet MAC address calculation
malmberg
Moderator

Posts: 530
Joined: 15.04.08
Posted on November 27 2015 19:31
When running an Emulated VAX/Alpha in a VM, you may need to create the MAC addresses for the emulated network adapters to be the MAC address that decnet will assign them.

I just stumbled on a site that makes it easy:

http://powerdog.com/addrconv.cgi

Just enter in your Decnet Phase IV address, and click on convert to an Ethernet address.
Author RE: Easy Decnet MAC address calculation
behemoth
Member

User Avatar

Posts: 9
Joined: 25.11.22
Posted on March 11 2023 16:27
I made a script for SCSSYSTEMID calculation.


#!/usr/bin/python3
## A script to calculate the SCSSYSTEMID value, which is used in
## VAX/VMS and OpenVMS for system identification and DECNET networking
## purposes. See: https://wiki.vmssoftware.com/SCSSYSTEMID

import sys

# Get the area, node as integers.
area = int( input( "Enter the DECNET area number: " ) )
node = int( input( "Enter the DECNET node number: " ) )

# Check for valid values. Area must be 1-63, inclusive,
# node must be 1-1023, also inclusive. Exit error if not.
if ( area not in range( 1, 64 ) ) or ( node not in range( 1, 1024 ) ):
print( "Error: invalid area/node given." )
sys.exit( 1 )

# We have valid input by this point. Calculate it.
# SCSSYSTEMID = ((DECnet area number) * 1024) + (DECnet node number)
scssystemid = area * 1024 + node

# Display the results along with the given input.
print( f"SCSSYSTEMID for {area}.{node} is {scssystemid}." )







88A5 F7B4 06BF 9C81 744D 5785 7B21 C783 99C8 6100
http://digitalsr.i2p/
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malmberg
August 04 2022
No more VAX hobbyist licenses. Community licenses for Alpha/IA64/X86_64 VMS Software Inc. Commercial VMS software licenses for VAX available from HPE.

ozboomer
July 20 2022
Just re-visiting.. No more hobbyist licenses? Is that from vmssoftware.com, no 'community' licenses?

valdirfranco
July 01 2022
No more hobbyist license...sad

mister_wavey
February 12 2022
I recall that the disks failed on the public access VMS systems that included Fafner

parwezw
January 03 2022
Anyone know what happened to FAFNER.DYNDS.ORG? I had a hobbyist account here but can longer access the site.

gtackett
October 27 2021
Make that DECdfs _2.1A_ for Vax

gtackett
October 27 2021
I'm looking for DECdfs V2.4A kit for VAX. Asking here just in case anyone is still listening.

MarkRLV
September 17 2021
At one time, didn't this web site have a job board? I would love to use my legacy skills one last time in my career.

malmberg
January 18 2021
New Hobbyist PAKs for VAX/VMS are no longer available according to reports. Only commercial licenses are reported to be for sale from HPE

dfilip
January 16 2021
Can someone please point me to hobbyist license pak? I'm looking for VAX/VMS 7.1, DECnet Phase IV, and UCX/TCPIP ... have the 7.1 media, need the license paks ... thanks!

Bart
October 16 2020
OpenVMS, and this website!

malmberg
September 05 2020
VSI community non-commercial licenses for AXP/IA64 are available now.

malmberg
September 05 2020
See the forum about licensing. Don't know if HPE hobby licenses still being issued. Commercial licenses still being sold.

silfox70
September 01 2020
I need the license for OpenVMS7.3. Where can I find them?

malmberg
August 29 2020
Eisner, which is currently being moved, got an SSH update and the keys were updated to more modern encryption standards.

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