View Full Version : giup em cai VLMS voi
vanessa9589
18-09-2009, 10:45 AM
có địa chỉ IP la 192.168.1.128/25
cần chia 4 subnet
subnet 1:41 host
subnet 2:31 host
subnet 3:21 host
subnet 4:8 host
luancb
18-09-2009, 12:36 PM
192.168.1.128/25
SN1 41 host, cần 6 bit host --> 192.168.1.128/26
Subnetmask : 255.255.255.192, bước nhảy : 64
Mạng tiếp theo :
192.168.1.192/26
SN2 31 host , cần 6 bit host luôn. Vậy bạn sẽ ko đủ để chia tiếp được.
freetudo
31-10-2009, 07:11 PM
Hello vanessa9589,
dia chi 192.168.1.128 /25 la da chia roi theo kieu vlsm
no co sudnet la 0 , 64, 128 , 192 /26
Bay gio muon them 2 bits nua de lam ra 4 sudnet 192.168.1.128/28 thi con lai 5bits cho host =32 - 2
4 sudnet moi la 128 , 160 , 192 , 224 va moi sudnet chi co 30 host
Powered by vBulletin® Version 4.1.9 Copyright © 2012 vBulletin Solutions, Inc. All rights reserved.