1 2 3 4 5 6 7 8 | # Set custom MAC on the first bridge (numbers=0) /interface bridge set admin-mac=6C:3B:6B:18:B5:ED auto-mac=no numbers=0 # Set custom MAC on a specific bridge named bridge3 /interface bridge set admin-mac=6C:3B:6B:18:B5:ED auto-mac=no [ find name=bridge3 ] # Set custom MAC on the first ethernet port, no matter what it is currently named /interface ethernet set mac-address=6C:3B:6B:05:B1:A9 [ find default-name=ether1 ] |
You can safely choose any of these MAC addresses for local equipment, they are reserved for local use:
?2-??-??-??-??-??
?6-??-??-??-??-??
?A-??-??-??-??-??
?E-??-??-??-??-??
All manufacturer ranges can be found at standards-oui.ieee.org/oui/oui.txt, MikroTik have ranges beginning with 4C, 64, 6C, D4, E4. For VMware manually assigned MAC addresses are in 00:50:56:00:00:00 - 00:50:56:3F:FF:FF. For Xen, ranges begin with 00:16:3E etc.
1 | /ip arp print |
1 | /interface bridge host print |
1 | /interface ethernet switch host print |
1 | /ip arp remove [ find ] |
1 | /interface ethernet set name=eth3-nas [ find default-name=ether3 ] |
1 | /interface ethernet print value-list |