Aastra OpenCom 510 User Guide - Page 106
Introduction to TCP/IP, Server configuration in the LAN, OpenCom 510 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 510 Functions OpenCom 510 functions automatically as DHCP and DNS server OpenCom 510 functions automatically as DHCP client System Administrator must assign IP address and DNS name for OpenCom 510 Special case when integrating the OpenCom 510 in a LAN; settings in the NET Configuration: LAN menu must be coordinated with the responsible system administrator 10.2 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 510 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 104