How does a Device Obtain an IP Address and Subnet Mask? 105

Part two (‘.100.8’) identifies the device within the network.

This type of IP Address operates on a subnet mask of ‘255.255.0.0’.

See Table 4 for an example about how a network (only four computers represented) and a Router might be configured.

Table 4 IP Addressing and Subnet Masking

Device

IP Address

Subnet Mask

 

 

 

PC 1

192.168.100.8

255.255.0.0

PC 2

192.168.201.30

255.255.0.0

PC 3

192.168.113.155

255.255.0.0

PC 4

192.168.002.230

255.255.0.0

Router

192.168.002.72

255.255.0.0

 

 

 

How does a Device

There are three different ways to obtain an IP address and the subnet

Obtain an IP

mask. These are:

Address and

Dynamic Host Configuration Protocol (DHCP) Addressing

Subnet Mask?

 

Static Addressing

 

Automatic Addressing (Auto-IP Addressing)

DHCP Addressing

The Router contains a DHCP server, which allows computers on your

 

network to obtain an IP address and subnet mask automatically. DHCP

 

assigns a temporary IP address and subnet mask which gets reallocated

 

once you disconnect from the network.

 

DHCP will work on any client Operating System such as Windows® 95,

 

Windows 98 or Windows NT 4.0. Also, using DHCP means that the

 

same IP address and subnet mask will never be duplicated for devices

 

on the network. DHCP is particularly useful for networks with large

 

numbers of users on them.

Static Addressing

You must enter an IP Address and the subnet mask manually on every

 

device. Using a static IP and subnet mask means the address is

 

permanently fixed.

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HP 100 -G Router manual How does a Device, Obtain an IP, Subnet Mask?, Dhcp Addressing, Static Addressing

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