hi
i have rb1200 and i have problem with it
the subnet mask change from 255.255.255.0 to 255.255.255.252
please how can i return to the old subnet mask.....

To put new address
New Terminal
/ip address add
(hire in place of 192.168.88.1 u put u'r desired address) 192.168.88.1/24

or simple go to IP-->Address
click on ur address an change it from x.x.x.x/30 to x.x.x.x/24

thank u 4 reply
i change subnet mask to x.x.x.x/24
but no result

thank u 4 reply
i found solution
it from ip>dhcp server>network
and i replace subnet mask from x.x.x.x/30 to x.x.x.x/24