User`s guide

NETWORK IP CAMERA User’s Guide
56
C Class Network
1) Features of Addresses
IP address: The three-digit number in room ‘X4’ is for the Host ID. The number ranged from 0 to
255. Among the numbers, 0 is used for Network ID, 1 is used for Router IP (Gateway address) and
255 are used for Broadcast address. The number from 2 to 244 are IP addresses that can be assigned
to Network IP Camera, PC etc.
Network ID: Identifies a network. Generally the first number assigned is Network ID.
Gateway address: The IP address of the router for connecting Internet and local network.
Broadcast address: The IP address for broadcasting. All devices connected on local network have
the same Broadcast address.
Subnet Mask: Divides a local network into two remote networks. Subnet mask shows the IP
quantity in a certain network. The number that can be used as subnet mask is
limited (0, 4, 8, 16, 32, 64, 128)
2) Network Configuration
(1) To use as one network
Network ID: xxx.xxx.xxx.0
Gateway Address: xxx.xxx.xxx.1
Subnet Mask: 255.255.255.0
Broadcast Address: xxx.xxx.xxx.255
IP Addresses: xxx.xxx.xxx.2 – xxx.xxx.xxx.254
(2) To use as two Sub-networks (1/2 + 1/2)
Sub-Network ID: xxx.xxx.xxx.0
Gateway Address: xxx.xxx.xxx.1
Subnet Mask: 255.255.255.128
Broadcast Address: xxx.xxx.xxx.127
IP Addresses: xxx.xxx.xxx.2 – xxx.xxx.xxx.126
Sub-Network ID: xxx.xxx.xxx.128
Gateway Address: xxx.xxx.xxx.129
Subnet Mask: 255.255.255.128
Broadcast Address: xxx.xxx.xxx.255
IP Addresses: xxx.xxx.xxx.130 – xxx.xxx.xxx.254
(3) To use as three sub-networks (1/4 + 1/4 + 1/2)