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Cisco RVS4000 Security Router with VPN Administrator Guide 129
A
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 router to be used with low
cost Internet accounts, such as DSL or cable modems, when 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 router support any operating system other than Windows 98,
Millennium, 2000, or XP?
Yes, but Cisco does not, at this time, provide technical support for setup,
configuration or troubleshooting of any non-Windows operating systems.
Does the router support ICQ send file?
Yes. However, you may need to adjust the ICQ connection settings because your
PC is behind a firewall. For instructions, refer to the ICQ documentation or online
support pages.
I set up an Unreal Tournament Server, but others on the LAN cannot join. What
do I need to do?
If you are running a dedicated Unreal Tournament server, 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. You can also use a port
forwarding range of 7777 to 27900. If you want to use the UT Server Admin,
forward another port (8080 usually works well but is used for remote admin; you
may have to disable this), and 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.
Can multiple gamers on the LAN get on one game server and play
simultaneously with just one public IP address?
It depends on the network game or the game server that you are using. For
example, Unreal Tournament supports multi-login with one public IP.
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” added 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