P-871H Series User’s Guide
92
IP Subnetting
Example Eight Subnets
Similarly use a 27-bit mask to create 8 subnets (001, 010, 011, 100, 101, 110).
The following table shows class C IP address last octet values for each subnet.
The following table is a summary for class “C” subnet planning.
Table 33
Subnet 4
NETWORK NUMBER
LAST OCTET BIT VALUE
IP Address
192.168.1.
192
IP Address (Binary)
11000000.10101000.00000001.
11
000000
Subnet Mask (Binary)
11111111.11111111.11111111.
11
000000
Subnet Address:
192.168.1.192
Lowest Host ID: 192.168.1.193
Broadcast Address:
192.168.1.255
Highest Host ID: 192.168.1.254
Table 34
Eight Subnets
SUBNET
SUBNET ADDRESS FIRST ADDRESS
LAST ADDRESS
BROADCAST
ADDRESS
1
0
1
30
31
2
32
33
62
63
3
64
65
94
95
4
96
97
126
127
5
128
129
158
159
6
160
161
190
191
7
192
193
222
223
8
224
223
254
255
Table 35
Class C Subnet Planning
NO. “BORROWED” HOST
BITS
SUBNET MASK
NO. SUBNETS
NO. HOSTS PER
SUBNET
1
255.255.255.128 (/25)
2
126
2
255.255.255.192 (/26)
4
62
3
255.255.255.224 (/27)
8
30
4
255.255.255.240 (/28)
16
14
5
255.255.255.248 (/29)
32
6
6
255.255.255.252 (/30)
64
2
7
255.255.255.254 (/31)
128
1
Summary of Contents for P-871H Series
Page 1: ...P 871H Series VDSL Modem with 4 port Switch User s Guide Version 3 50 7 2005...
Page 15: ...P 871H Series User s Guide 14 List of Tables...
Page 23: ...P 871H Series User s Guide 22 Chapter 2 Hardware Overview...
Page 35: ...P 871H Series User s Guide 34 Chapter 4 System Status and Port Statistics...
Page 43: ...P 871H Series User s Guide 42 Chapter 5 Basic Setting...
Page 71: ...P 871H Series User s Guide 70 Chapter 11 Command Examples...
Page 95: ...P 871H Series User s Guide 94 IP Subnetting...
