[admin@Mikrotik] /interface ethernet> set 0 advertise=
Advertise ::= 10M-half|10M-full|100M-half|100M-full|1000M-half|1000M-full|2500M-full|5000M-full|10000M-full[,Advertise*]
$MAC = `ssh admin\@192.168.0.1 ':put [interface wireless get wlan1 mac-address]'`;