Aastra OpenCom X320 User Guide - Page 84
DNS Name Resolution, 7.3.2 Internet Access, OpenCom X320 IP address
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Configuration Examples OpenCom X320 in a Serverless LAN the OpenCom X320 via DHCP (dynamic host configuration protocol). In this operating mode, an IP address space reserved for such networks is used: 192.168.99.254 255.255.255.0 192.168.99.254 192.168.99.254 OpenCom X320 IP address Network mask (class C network) DNS server IP address Default gateway IP address Install the IP network protocol and a Web browser for every workstation which is to have access to the OpenCom X320 network features. 7.3.1 DNS Name Resolution In a serverless LAN, the internal DNS name resolution is performed by the OpenCom X320. If you type the string "host.domain" into your browser, a DNS request is sent to the OpenCom X320 IP address. The OpenCom X320 responds with the correct IP address, so that the Configurator home page can be called up. In a peer-to-peer network (Windows network), the workstations each have a name which is displayed in the network environment. These NetBIOS names can differ from the DNS names assigned to the workstations by the OpenCom X320. The OpenCom X320 is not visible in the network environment. 7.3.2 Internet Access If access to an ISP has been configured on the OpenCom X320, the OpenCom X320 can be operated as an Internet access server without any additional configuration of the workstations. When you want to see a Web page, you simply type the URL (uniform resource locator; Internet address; "http://...") in your browser. In a serverless LAN, the OpenCom X320 is configured as a DNS server and default gateway. The workstation therefore sends its Internet connection request to the OpenCom X320. In almost all cases, the request will contain a DNS name which is unknown in the internal network. When you type a URL into your browser, the OpenCom X320 receives the request to find the corresponding IP address. If the name is unknown in the LAN, the request is forwarded to an ISP's external DNS server. 82