forgot the ip address ples help

hi all,

i configured my mikrotik radio with ip of 172.20.17.6/27
but after saving the congiguration, cant able to access the radio and ip also not pinging
pls help urgently

thanks

if you can’t get into the router via IP, try using the […] button in winbox, to access via MAC, or also can try Serial console:

http://wiki.mikrotik.com/wiki/First_time_startup

i think i had done something wrong, due to which now cant able to login
i had given ip of 172.20.16.7/27 lan ip.
so it should browse and ping
but fail
what ip i should keep in my pc to browse the radio

thanks

in mikrotik radio

in interface tab, what is the use bridge interface and if i enable that which ip i have to put there.

thanks