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EtherFast Cable/DSL Routers
3332
What is Network Address Translation and what is it used for? Network
Address Translation (NAT) translates multiple IP addresses on the private
LAN to one public address that is sent out to the Internet. This adds a level
of security since the address of a PC connected to the private LAN is never
transmitted on the Internet. Furthermore, NAT allows the Cable/DSL Router
to be used with low cost Internet accounts, such as cable or DSL modems,
where only one TCP/IP address is provided by the ISP. The user may have
many private addresses behind this single address provided by the ISP.
Does the Cable/DSL Router support any operating system other than Windows
95, Windows 98, Windows 2000, or Windows NT? Yes, but Linksys does not, at
this time, provide technical support for setup, configuration or troubleshoot-
ing of any non-Windows operating systems.
Does the Cable/DSL Router support ICQ send file? Yes, with the following fix:
ICQ menu-> preference -> connections tab-> check "I am behind a firewall
or proxy", and set the firewall time-out to 80 seconds in firewall setting.
The Internet user can then send a file to a user behind the Router.
I setup an Unreal Tournament Server, but others on the LAN cannot join. What do
I need to do? If you have a dedicated Unreal Tournament server running,
you need to create a static IP for each of the LAN computers and forward
ports 7777, 7778, 7779, 7780, 7781, and 27900 to the IP address of the
server. If you want to use the UT Server Admin, forward another port (8080
usually works well), then in the [UWeb.WebServer] section of the server.ini
file, set the ListenPort to 8080 (to match the mapped port above) and
ServerName to the IP assigned to the Router from your ISP.
How do I get
Half-Life: Team Fortress
to Work with the Router? The default
client port for Half-Life is 27005. The computers on your LAN need to
have "+clientport 2700x" to the HL shortcut command line; the x would be
6, 7, 8, and on up. This lets multiple computers connect to the same server.
One problem: version 1.0.1.6 won't let multiple computers with the same
CD key connect at the same time, even if on the same LAN (not a problem
with 1.0.1.3). As far as hosting games, the HL server does not need to be in
the DMZ. Just forward port 27015 or 27016 to the local IP of the server
computer. There remains, however, a problem with people being booted
after a few minutes with an "illegible server message."
Instant Broadband Series
Frequently Asked Questions
What is MIB? MIB (Management Information Base) is a data file that works in
tangent with third-party SNMP software in managing your Router. To use
MIB files in tangent with third-party SNMP software, follow the instruc-
tions that come with the thirty-party SNMP software. MIB data files will be
available on the Linksys web site: www.linksys.com.
Can I use firmware for other routers with my BEFSR81? No. If you attempt to
use other router's firmware, you could damage your router. Only use
firmware specifically written for the BEFSR81 as posted on the Linksys
web site: www.linksys.com.
What is Qos? “Qos” is Quality of Service, based on the idea that transmission
rates, error rates, and other characteristics can be measured and improved in
advance. For more infomation on Qos, see the QoS section on page 28.
What is SNMP? SNMP (Simple Network Management Protocol) is a widely-
used network monitoring and control protocol. For more information on
SNMP, see the SNMP section in the Appendix.
What is the maximum number of IP addresses and users supported by the
Cable/DSL Router? The Router supports up to 253 IP addresses and users.
Where is the Cable/DSL Router installed on the network? In a typical environ-
ment, the Router is installed between the Cable/DSL Modem and the LAN.
Plug the Cable/DSL Router into the Cable/DSL Modem's Ethernet port.
Does the Cable/DSL Router support IPX or AppleTalk? No. TCP/IP is the only
protocol standard for the Internet and has become the global standard for
communications. IPX, a NetWare communications protocol used only to
route messages from one node to another, and AppleTalk, a communications
protocol used on Apple and Macintosh networks, can be used from LAN to
LAN connections, but those protocols cannot connect from WAN to LAN.
Does the WAN connection of the Cable/DSL Router support 100Mb Ethernet?
Because of the speed limitations of broadband Internet connections, the
Cable/DSL Router’s current hardware design supports 10Mb Ethernet on its
WAN port. It does, of course, support 100Mbps over in the auto-sensing
Fast Ethernet 10/100 switch on the LAN side of the Router.