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ReplayTV 4500
Bridge - A Bridge allows the free flow of data from one type of physical medium to another. For example, a bridge is required to
connect a phoneline network to an Ethernet network.
DHCP (Dynamic Host Configuration Protocol) - This is the method by which computers, and ReplayTV, automatically get IP
addresses. By default, the ReplayTV 4500 will attempt to get its IP address automatically when it’s starting up. It will attempt to
renew this IP address every 24hrs. ReplayTV is considered a DHCP client. The router that automatically assigns the IP address to
ReplayTV is considered a DHCP server.
DMZ Host Page - A host on a network that prevents outside users from accessing data on your network. Depending on your router,
it might be necessary to add the IP address of ReplayTV to the DMZ host page. This will place ReplayTV outside of the firewall.
This may be necessary if the router is not properly routing the information it receives to ReplayTV. Check your router manual for
more details on when using DMZ is appropriate.
DNS (Domain Name System) - A DNS server translates domain names like www.sonicblue.com into their corresponding IP
addresses.
DSL Router - A DSL router is simply a router that also functions as an external DSL modem. This DSL router would function as a
DHCP server.
Gateway - The gateway address is the IP address of the computer or device on a local network that gives you access to the Internet.
If you are using a router, it’s the internal (LAN) IP address of the router.
Hub - A hub is like a splitter. It turns one port into 4, 8, 16, etc. The hub provides more physical ports and nothing else. The hub has
an uplink port that sometimes can be switched to a standard port. You would normally connect your Cable or DSL modem to the
uplink port. Your PCs or devices like ReplayTV would plug into the non-uplink ports.
IP Address - This is a unique address that all computers and devices require to communicate over the Internet. Computers on cor-
porate and home networks most likely use IP addresses to communicate with each other. ReplayTV also requires an IP address to
communicate. This address can be set manually or provided automatically. Depending on your setup, this IP address might come
from a router, or your ISP (Internet Service Provider).
ISP (Internet Service Provider) -
A company that provides Internet access through telecommunications lines.