H3C S5100-SI Operation Manual

Also see for H3C S5100-EI: Operation manual Installation manual Quick start

Contents

H3C S5100-SI Operation Manual Manual pdf 332 page image

1-11 IP Addressing ConfigurationThe term IP address used throughout this chapter refers to IPv4 address. For details about IPv6address, refer to IPv6 Management.When configuring IP addressing, go to these sections for information you are interested in:z IP Addressing Overviewz Configuring IP Addressesz Displaying IP Addressing Configurationz VLAN Interface IP Address Configuration ExamplesIP Addressing OverviewIP Address ClassesOn an IP network, a 32-bit address is used to identify a host. An example is01010000100000001000000010000000 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 theaddress just mentioned.Each IP address breaks down into two parts:z Net ID: The first several bits of the IP address defining a network, also known as class bits.z 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 partsrepresent the address class).Figure 1-1 IP address classesTable 1-1 describes the address ranges of these five classes.