Operation Manual – IP Address-IP Performance-IPXH3C S7500 Series Ethernet Switches Chapter 1 IP Address Configuration1-1Chapter 1 IP Address ConfigurationWhen configuring IP address, go to these sections for information you are interested in:z IP Address Overviewz Configuring IP Address(es) for a VLAN Interfacez Displaying and Maintaining IP Address Configurationz IP Address Configuration Examplez Troubleshooting IP Address Configuration1.1 IP Address Overview1.1.1 IP Address Classification and RepresentationAn IP address is a 32-bit address allocated to a device connected to the Internet. Itconsists of two fields: net-id and host-id. To facilitate IP address management, IPaddresses are divided into five classes, as shown in Figure 1-1.0 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 3101 01 1 01 1 1 01 1 1 1 0ne t-idn et-idnet-idMul ticas t a ddressRese rved add resshost-idhost-idClass AClass BClass CClass DClass En et-i d: Netwo rk ID; h os t-i d: Host IDhost- id0 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 3101 01 1 01 1 1 01 1 1 1 0ne t-idn et-idnet-idMul ticas t a ddressRese rved add resshost-idhost-idClass AClass BClass CClass DClass En et-i d: Netwo rk ID; h os t-i d: Host IDhost- idsFigure 1-1 Five classes of IP addresseClass A, Class B, and Class C IP addresses are unicast addresses. Class D IPaddresses are multicast addresses and Class E addresses are reserved for futurespecial use. The first three types are commonly used.IP addresses are in the dotted decimal notation. Each IP address contains four decimalintegers (separated from each other using “.”), with each integer corresponding to onebyte (for example, 10.110.50.101).
