ZyXEL VMG4927-B50A User Guide - Page 115
LAN Setup
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Chapter 8 Home Networking • Assigning lease times to mappings Windows Messenger is an example of an application that supports NAT traversal and UPnP. See the Chapter 11 on page 156 for more information on NAT. Cautions with UPnP The automated nature of NAT traversal applications in establishing their own services and opening firewall ports may present network security issues. Network information and configuration may also be obtained and modified by users in some network environments. When a UPnP device joins a network, it announces its presence with a multicast message. For security reasons, the VMG allows multicast messages on the LAN only. All UPnP-enabled devices may communicate freely with each other without additional configuration. Disable UPnP if this is not your intention. UPnP and Zyxel Zyxel has achieved UPnP certification from the Universal Plug and Play Forum UPnP™ Implementers Corp. (UIC). Zyxel's UPnP implementation supports Internet Gateway Device (IGD) 1.0. See Section 8.4.1 on page 121 for examples of installing and using UPnP. Find Out More See Section 8.9 on page 126 for technical background information on LANs. 8.1.3 Before You Begin Find out the MAC addresses of your network devices if you intend to add them to the DHCP Client List screen. 8.2 LAN Setup Use this screen to set the Local Area Network IP address and subnet mask of your VMG. Click Network Setting > Home Networking to open the LAN Setup screen. Follow these steps to configure your LAN settings. 1 Enter an IP address into the IP Address field. The IP address must be in dotted decimal notation. This will become the IP address of your VMG. 2 Enter the IP subnet mask into the Subnet Mask field. Unless instructed otherwise it is best to leave this alone, the configurator will automatically compute a subnet mask based upon the IP address you entered. VMG4927-B50A / VMG9827-B50A User's Guide 115