I have in an installation 2 CAP AC with the same mac address on eth1 (and eth2) of course acting weird on the same network
How is that possible?
You will notice that the serial number is unique but mac address the same
[admin@CAP-103b] /interface/ethernet> print
Flags: R - RUNNING; S - SLAVE
Columns: NAME, MTU, MAC-ADDRESS, ARP, SWITCH
# NAME MTU MAC-ADDRESS ARP SWITCH
0 RS ether1 1500 DC:2C:6E:A1:9E:9C enabled switch1
1 S ether2 1500 DC:2C:6E:A1:9E:9D enabled switch1
[admin@CAP-103b] /interface/ethernet> /sys/routerboard/print
routerboard: yes
board-name: cAP ac
model: RBcAPGi-5acD2nD
revision: r3
serial-number: F9AD0FAF6EA0
[admin@CAP-IDEN-1] /interface/ethernet> print
Flags: R - RUNNING; S - SLAVE
Columns: NAME, MTU, MAC-ADDRESS, ARP, SWITCH
# NAME MTU MAC-ADDRESS ARP SWITCH
0 RS ether1 1500 DC:2C:6E:A1:9E:9C enabled switch1
1 S ether2 1500 DC:2C:6E:A1:9E:9D enabled switch1
[admin@CAP-IDEN-1] /interface/ethernet> /sys routerboard/print
routerboard: yes
board-name: cAP ac
model: RBcAPGi-5acD2nD
revision: r3
serial-number: F9AD0F488EB6