Aastra OpenCom X320 User Guide - Page 82
Introduction to TCP/IP, Server configuration in the LAN, OpenCom X320 Functions
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Configuration Examples Introduction to TCP/IP The following LAN prerequisites are possible: Server configuration in the LAN No IP server present IP server present DHCP server present IP server present No DHCP server present OpenCom X320 Functions OpenCom X320 functions as DHCP and DNS server System Administrator must assign IP address and DNS name for OpenCom X320 Special case when integrating the OpenCom X320 in a LAN; settings in the NET Configuration: LAN menu must be coordinated with the responsible system administrator 7.2 Introduction to TCP/IP In a single LAN it is possible to use various protocols for the transmission of data. The connection between a workstation computer and the OpenCom X320 runs via the IP protocol (also named TCP/IP) used on the Internet. IP can be used together with other protocols (e.g. NetBEUI, AppleTalk or IPX/SPX) on the same network. Every device participating in data transmission using IP requires a unique IP address. An IP address consists of four groups of digits from 0 to 255, each separated by a full stop. The supplementary protocols DHCP and PPP automatically assign IP addresses to devices. Class C networks normally use IP addresses in which the first three numbers are the same and the last number is uniquely assigned to a specific device in the LAN. On the Internet, unique addresses assigned by a special organisation created for this purpose are used. Within a LAN, you can use addresses which are not unique world-wide: IP Range 192.168.0.0192.168.255.255 172.16.0.0-172.31.255.255 10.0.0.0-10.255.255.255 Common Netmask 255.255.255.0 255.240.0.0 255.0.0.0 Comment 256 smaller networks 1 medium network 1 large network 80