ethermaker

ethermaker

The ethermaker package implements a set of tools and APIs for generating MAC addresses.

Features

• Generates MAC addresses.
• Describes MAC addresses.
• Written in pure Java 21 for safety and portability.
• High coverage test suite (100%, minus an unreachable private constructor).
• OSGi-ready
• JPMS-ready
• ISC license.

Usage

Usage: ethermaker [options] [command] [command options]

  Options:
    --verbose
      Set the minimum logging verbosity level.
      Default: info
      Possible Values: [trace, debug, info, warn, error]

  Use the "help" command to examine specific commands:

    $ ethermaker help help.

  Command-line arguments can be placed one per line into a file, and the file
  can be referenced using the @ symbol:

    $ echo help > file.txt
    $ echo help >> file.txt
    $ ethermaker @file.txt

  Commands:
    describe     Describe MAC addresses
    generate     Generate MAC addresses
    help         Show detailed help messages for commands.
    version      Show the application version.

  Documentation:
    https://www.io7m.com/software/ethermaker/

To generate a set of ten random unicast MAC addresses:

$ ethermaker generate --count 10
68:cb:e4:d4:2d:94
22:c5:8c:99:22:15
8a:2c:2b:cd:71:98
5e:6e:8b:da:a3:00
dc:ab:be:0b:5f:14
d0:24:40:33:53:db
0a:2f:4e:20:eb:11
8c:95:69:ac:42:d2
32:9c:da:f3:a6:c8
f4:de:7f:4d:4e:5b

To generate a set of ten random MAC addresses under the organization C419D1:

$ ethermaker generate --count 10 --organization C419D1
c4:19:d1:39:d9:e3
c4:19:d1:f7:80:95
c4:19:d1:f8:d0:73
c4:19:d1:ef:b6:16
c4:19:d1:1e:60:db
c4:19:d1:25:91:23
c4:19:d1:7f:59:d1
c4:19:d1:60:30:0d
c4:19:d1:3e:78:eb
c4:19:d1:a5:f1:cb

To describe a set of MAC addresses:

$ ethermaker generate --count 10 --organization C419D1 | ethermaker describe
Address: c4:19:d1:83:97:9b, Multicast: false, Broadcast: false, Local: false
Address: c4:19:d1:8f:84:77, Multicast: false, Broadcast: false, Local: false
Address: c4:19:d1:50:af:bb, Multicast: false, Broadcast: false, Local: false
Address: c4:19:d1:4a:f2:1e, Multicast: false, Broadcast: false, Local: false
Address: c4:19:d1:97:30:58, Multicast: false, Broadcast: false, Local: false
Address: c4:19:d1:d9:d7:a3, Multicast: false, Broadcast: false, Local: false
Address: c4:19:d1:53:d2:98, Multicast: false, Broadcast: false, Local: false
Address: c4:19:d1:ee:f3:d2, Multicast: false, Broadcast: false, Local: false
Address: c4:19:d1:43:c0:41, Multicast: false, Broadcast: false, Local: false
Address: c4:19:d1:e3:53:89, Multicast: false, Broadcast: false, Local: false