ZyXEL P-792H User Guide - Page 406
Table 145
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Appendix A Product Specifications 406 Table 145 Firmware Features FEATURE DESCRIPTION Firmware Upgrade Download new firmware (when available) from the ZyXEL web site and use the web configurator, an FTP or a TFTP tool to put it on the P-792H v2. Configuration Backup & Restoration Network Address Translation (NAT) Port Forwarding DHCP (Dynamic Host Configuration Protocol) Dynamic DNS Support IP Multicast IP Alias Time and Date Logging and Tracing PPPoE PPTP Encapsulation Universal Plug and Play (UPnP) Firewall Note: Only upload firmware for your specific model! Make a copy of the P-792H v2's configuration. You can put it back on the P-792H v2 later if you decide to revert back to an earlier configuration. Each computer on your network must have its own unique IP address. Use NAT to convert your public IP address(es) to multiple private IP addresses for the computers on your network. If you have a server (mail or web server for example) on your network, you can use this feature to let people access it from the Internet. Use this feature to have the P-792H v2 assign IP addresses, an IP default gateway and DNS servers to computers on your network. With Dynamic DNS (Domain Name System) support, you can use a fixed URL, www.zyxel.com for example, with a dynamic IP address. You must register for this service with a Dynamic DNS service provider. IP multicast is used to send traffic to a specific group of computers. The P-792H v2 supports versions 1 and 2 of IGMP (Internet Group Management Protocol) used to join multicast groups (see RFC 2236). IP alias allows you to subdivide a physical network into logical networks over the same Ethernet interface with the P-792H v2 itself as the gateway for each subnet. Get the current time and date from an external server when you turn on your P-792H v2. You can also set the time manually. These dates and times are then used in logs. Use packet tracing and logs for troubleshooting. You can send logs from the P-792H v2 to an external syslog server. PPPoE mimics a dial-up Internet access connection. Point-to-Point Tunneling Protocol (PPTP) enables secure transfer of data through a Virtual Private Network (VPN). The P-792H v2 supports one PPTP connection at a time. A UPnP-enabled device can dynamically join a network, obtain an IP address and convey its capabilities to other devices on the network. You can configure firewall on the P-792H v2 for secure Internet access. When the firewall is on, by default, all incoming traffic from the Internet to your network is blocked unless it is initiated from your network. This means that probes from the outside to your network are not allowed, but you can safely browse the Internet and download files for example. P-792H v2 User's Guide