Cables to Go CDM-570L manual Network Segments, Figure A-7ANDing an IP address and a subnet mask

IP Addressing

	Dotted Decimal
	Address	Binary Values
IP Address	192.168.2.66	11000000.10101000.00000010.01000010
Subnet Mask	255.255.255.0	11111111.11111111.11111111.00000000
ANDing Result	192.168.2.0	11000000.10101000.00000010.00000000

Figure A-7ANDing an IP address and a subnet mask

A calculator, available from SolarWinds, performs these IP and subnet mask calculations and can be found at:

http://support.solarwinds.net/updates/SelectProgramFree.cfm

Network Segments

A “Network Segment” is a portion of a network that is bordered by two router interfaces as shown in Figure A-8.

Figure A-8Network Segments

Each network segment must either be on a different network or a different subnet. For example, if you have a single IP address available, you can change the default mask from 255.255.255.0 to 255.255.255.192. The resulting calcula- tion yields four subnets:

•192.168.100.0

•192.168.100.64

•192.168.100.128

•192.168.100.192

A-10 Vipersat CDM-570/570L User Guide