Operation Manual - Network Protocol
Quidway S3500 Series Ethernet Switches Chapter 1 IP Address Configuration
Huawei Technologies Proprietary
1-1
Chapter 1 IP Address Configuration
1.1 IP Address Overview
1.1.1 IP Address Classification and Indications
IP address is a 32-bit address allocated to the devices which access into the Internet. It
consists of two fields: net-id field and host-id field. There are five types of IP address.
See the following figure.
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
0
1 0
1 1 0
1 1 1 0
1 1 1 1 0
net-id
net-id
net-id
Multicast address
Reserved address
host-id
host-id
host-id
Class A
Class B
Class C
Class D
Class E
Figure 1-1 Five classes of IP address
Where, Class A, Class B and Class C are unicast addresses, while Class D addresses
are multicast ones and class E addresses are reserved for special applications in future.
The first three types are commonly used.
The IP address is in dotted decimal format. Each IP address contains 4 integers in
dotted decimal notation. Each integer corresponds to one byte, e.g.10.110.50.101.
When using IP addresses, it should also be noted that some of them are reserved for
special uses, and are seldom used. The IP addresses you can use are listed in the
following table.
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