Question about Westell Wirespeed LiteLine 6100 (B9961001002) Modem

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External internet address conversion- NAT

I am trying to have the true IP address that is coming "into" the router exit the router. Is there a way to "turn off" the NAT with this modem.

I just want the true address to pass thru the modem as I am trying to set up a network that runs thru a router and contains an IP phone that also has NAT functionality.

Any responses would be greatly appreciated on this end.

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  • Hogster Nov 06, 2007

    I mean that the router also has NAT functionality and not the IP Phone itself.



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Set the westell modem to bridge mode,

Posted on Mar 16, 2008


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My nat type on my Playstation 3 is nat type 3 (strict). I would like to know what setting configuration on my WRT54GX router so that the nat type decreases.

Well this becuse of NAT on the router

you can solve the problem by putting your PS3's IP address on DMZ in the router

access your router page (type in the address bar of internet explorer)

username would be admin and password would also be admin

go to the DMZ and enter the IP address of the PS3 there after enabling it....restart your your problem solved

Note:- you can check your PS3 IP address in the network settings and connections option on PS3

Hope it helps


Jan 16, 2011 | Linksys Wireless-G WRT54GX Router...

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Netopia NAT

I know that most Netopia's I've worked with have been able to port forward single or ranges of ports to numerous internals from numerous externals.

Address Translation needs to be on.
IP Passthrough has to be off.
Then in NAT Easy Servers, setup port forwards and specify the external IP, internal IP, and ports (can forward all).

Dec 21, 2009 | Netopia ADSL2+ 11G WIIRELESS ROUTER 400MW...

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I have a linskys EQ-660R ADSL Router and i am trying to make my NAT type open. I've got UPnp and checked all boxes...nothing happened. here i will give u my options on the advanced menu. (Password) (LAN)...

you need to set
wan type to PPPOE for ADSL
ADSL has one IP address coming out of your building to the ISP
How does it connect many internal computers to just one outgoing IP address you may wonder. It uses different port numbers for each computer on the same ip address via a PPPoe connection .
if still stuck call your isp for help
you will most likely need dynamic IP for the isp ip and DNS /

Jun 17, 2017 | Zyxel P660HW-D1 Router

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What is NAT type

NAT is a protocol for networking. Network Address Translation was developed to keep from running out of IP addresses. When your Internet Service Provider gives you service they give you 1 IP address which would only allow one device to be hooked to they internet. NAT allows you to assign private IP addresses to each device in your home and then translates it back to the one address your ISP provided to you. Linksys routers typically have this set by default. Are you plugging your XBOX to your Linksys router or are you using wireless adapter?

Jan 08, 2009 | Computers & Internet

1 Answer

N.A.T Settings

So you want the public IP address that your Netopia router is getting to do a 1 to 1 NAT to the private IP address Basically you want to bypass any of the firewall restrictions of the router?

The caveat with this configuration is that if you don't have any other public IP addresses for the actual Netopia router to use then all other devices on your network will now longer be able to access the internet through the router. Only if you have a public IP address that you can assign the router will it be able provide NAT and internet access to the rest of your network.

The network is not routable on the public network. You need your entire network to NAT through your router using a public IP address.

You configuration will work if the Netopia router will allow a 1 to 1 NAT to another node on the network and allow NAT'ing for the rest of your private network concurrently. Of course you need at least (2) public IP addresses in the same subnet as well.

Hope this helps. Let me know if you need better clarification.


May 24, 2008 | Netopia ADSL 2+ MODEM 10/100 EN AND USB...

1 Answer

RCA Modem DCM315R

Just a bit of explanation. E0 interface is for inside network (LAN interface). E1 is for outside (ISP or WAN physical interface). Dialer1 is for PPPoE (the "actual"/logical WAN interface). The is ISP provided static IP address for the use of the server. This configuration example is for running FTP server, which uses the standard TCP port 20 and 21.

The LAN uses network with subnet for both servers and workstations. All servers within the LAN use static IP address. The router is configured as DHCP server to give out IP info (IP addresses, subnet mask, DNS) to workstations that are configured as DHCP client.

Basically I suggest that you deploy NAT (Network Address Translation) and PAT (Port Address Translation) to setup your own servers behind Cisco router. The NAT is used to translate the ISP's given static IP address to your local IP address. The PAT is used to translate TCP ports (the port 20 and 21) between the two IP addresses.

When using NAT/PAT, keep in mind that the Internet-accessible servers are seen from the Internet as their NAT/PAT-ed IP address (the Public IP address) and not the local IP address (not the Private IP address). This understanding is very important when you or someone need to test connectivity to the server and/or when you need to create filter (access list or ACL for short) to allow only certain incoming traffic from the Internet and block others.

Side Note:
For more info on NAT/PAT concept, check out the following FAQ
»Cisco Forum FAQ »NAT and PAT; Introduction and Implementations

Instruments used in this illustration are pretty much standard for running your own servers. Please note that IP addresses, username, and password are changed. However, you could always modify the configuration to suit your situation.

This sample configuration assumes that you have a block of IP from ISP. There is a dedicated Public IP address for the router WAN interface (the Dialer1 interface) and another dedicated Public IP address for the server PAT IP address. If you only have a single Public IP address for both router WAN interface and server PAT IP address, there are several ways to configure the router.

One way is to use the same command as shown in sample configuration.

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  1. ip nat source static tcp 21 21 extendable
ip nat source static tcp 21 21 extendable
This one configuration way is suitable when you have static IP address from your ISP and you know exactly what the IP address is. In this case you have the single static IP address for both the WAN interface and Public server IP address.

When you are unsure which IP address you receive from the ISP, or when your Public IP address keep changing; then another way to configure the static PAT is following

view plaincopy to clipboardprint?
  1. ip nat source static tcp 21 interface Dialer1 21 extendable
ip nat source static tcp 21 interface Dialer1 21 extendable
With situation of dynamic IP address, at some point you still need to know the exact Public IP address you receive from your ISP for server connection testing and production time. To find out, you can issue show ip interface brief command on the router. You will then see the associated WAN interface Public IP address.

Feb 25, 2008 | RCA Cable Modem DCM315R (11603540)

1 Answer

My PS3 has no NAT Type!!

there is something known as NAT strict that can happen due to many reasons , NAT or network address translator helps in converting the WAN ip address to LAN side IP address or public to private ipaddress . In a case of NAT strict or no NAT type ur PS3 or the router to which you have connected the PS3 is not able to convert the IP address...
Solution: try logging on to the router manager or PS3 settings and enable the NAT ( it would be in a disabled state or DMZ ( de militarized zone ) state )....
If the nat is already enabled Then try to manually configure NAT by opening the port numbers on the router manager or PS3. Port numbers can of UP or TCP protocol depending upon the games ur tyring to play....
If u donno how u do it then contact sony or the people who gave u the router or ur ISP

Feb 18, 2008 | Sony Playstation 3 (PS3) Console

4 Answers

Strict NAT

Ok this is how its done. Open your DMZ on your router interface click enable. The IP address you'll have to enter the last digit. This IP address digit is found on your xbox, look under your xbox network setting an get the last digit of IP address an this will only set your xbox to open. bang thats how u fix it. Very simple. any Q's am @

Nov 30, 2007 | Belkin (F5D8231-4) Wireless Router...

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Sonicwall Pro 300 DMZ Problem

If you're within a network and try connecting to computers on it with the WAN public IP, it simply won't work - you must use the network IP. On an external Internet connection, it should connect fine to the public IP. If you have access to an external machine (remote desktop), or if you know of an FTP proxy, you can try it that way. I also believe a web based FTP client would act as somewhat of a proxy, you could try that with the public IP and see how you go.

Aug 09, 2007 | SonicWALL PRO 300 Firewall

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