VLSM

LAN 1 (10 HOST)===>> SEMARANG
LAN 2 (58 HOST)===>> JAKARTA

LAN 3 (10 HOST)===>> SURABAYA
LAN 4 (26 HOST)===>> PEKALONGAN

PEKALONGAN (WAN 1) JAKARTA
JAKARTA (WAN 2) SEMARANG
JAKARTA ( WAN 3) SURABAYA


KEBUTUHAN
4 LAN DAN 3 WAN
/24 --> 254 HOST
/25 --> 126 HOST
/26 --> 62 HOST
/27 -->30 HOST
/28 --> 14 HOST
/29 --> 6 HOST
/30 --> 2 HOST

IP ADD 192.168.1.0 /24





NETWORK                       HOST                 BROADCAST

192.168.1.0 /26                192.168.1.1        192.168.1.163

(JAKARTA)                       192.168.1.62


192.168.1.64 /26   -----/27 192.168.1.64     192.168.1.65-94        192.168.1.95
                                          (PEKALONGAN)                              -----/27 192.168.1.96


192.168.1.96 /27   ----/28  192.168.1.196   192.168.1.197-110  192.168.1.111
                                          (SEMARANG)
                              ----/28  192.168.1.112   192.168.1.113-126  192.168.1.127
                                         (SURABAYA)


192.168.1.128  /26 -------->> /30
WAN 1 192.168.1.128 /30
WAN 2 192.168.1.132 /30
WAN 3 192.168.1.136 /30