3com S7906E Manuel De Montage

 

1-1 

When assigning IP addresses to interfaces on your device, go to these sections for information you are 

interested in: 

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This section covers these topics: 

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On an IP network, a 32-bit address is used to identify a host. An example is 

01010000100000001000000010000000 in binary. To make IP addresses in 32-bit form easier to read, 

they are written in dotted decimal notation, each being four octets in length, for example, 10.1.1.1 for the 

address just mentioned.  

Each IP address breaks down into two parts:  

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Net ID: The first several bits of the IP address defining a network, also known as class bits. 

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Host-id: Identifies a host on a network. 

IP addresses are divided into five classes, as shown in the following figure (in which the blue parts 

represent the address class). 

Figure 1-1 IP address classes 

 

 

 describes the address ranges of these five classes.