Course Title: Computer Comunication & Networking
Date: 04-Feb-2015
NETWORK ID & BROADCAST ID
Q. 192.168.10.32/26 Find Network & Broadcast ID ?
ANS....
Default SubnetMask of C Class is 255.255.255.0
24 bits for network
8 bits for hosts/users
/2 bit use in Network
128 64 32 16 8 4 2 1
1 1 0 0 0 0 0 0
SubnetMask 255.255.255.192
128 64 32 16 8 4 2 1
32= 0 0 1 0 0 0 0 0
192= 1 1 0 0 0 0 0 0
using ( AND OPERATION )
0 0 0 0 0 0 0 0 = 0
192.168.10.0 is network ID of 192.168.10.32 ANS........(1)
192.168.10.1 First Valid User
26 bits of Networks
6 bits of Host
Network = 2^n =2^2 =4 NETWORKS
Host = 2^n-2 =2^6-2 =64-2 =62 HOST
192.168.10.62 Last Valid User
192.168.10.63 is Broadcast ID of 192.168.10.32 ANS........(2)