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Netopia NAT can a netopia NAT two different internal hosts on two different public IP addresses?

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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).

Posted on Jan 07, 2010

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Conect webcams on a local network to a website


I presume that you mean "from a web site" that the web site is hosted somewhere out on the greater internet.... The problem that you are encountering is probably related to NAT (Network address translation). The "In" side of a router, is typically a "private network" there are pre-assigned number groups for these - a common one is in the 192.168.x.x range. Problem is that the "outside" of your Netopia router will be dependent on your ISP< and unless you are paying them extra for a static IP address, is likely to change every time you reboot - or sometimes they bump them every 24 hours. So, first thing is get a dynamic DNS Entry - www.dyndns.org is one supplier - I think you can get one address for free from them, pay for more.. YOu set up something like CMVideo.dynsdns.org on their site, and set up dyndns support in the netopia router... Then you want to open the specific port on your router, to go to the internal IP Address of your camera. (YOu mention Multiple Cameras - depends on the Camera you may have to go for multiple dyndns (one for each...) ).

I am a little confused/concerned about the second router "tier" - if you have the Belkin configure as an Access Point only, all good, if you are trying to run it as a router behind a router, it will probably never work - double nat-ting" is a no no with most consumer Routers. Simple solution is to tap from Netopia lan side to Belkin Lan side (rather than Belkin Wan Side)

Nov 14, 2013 | Netopia Computers & Internet

1 Answer

HOW TO FORWARD PORTS 8090 AND 37766 TO SPECIFIC IP ADDRESS


Go to this web site and follow the instructions.
These instructions are specifically for your router and a host of different apps you can forward the ports for

http://portforward.com/english/routers/port_forwarding/Netopia/2247NWG-VGx/2247NWG-VGxindex.htm

Jan 18, 2011 | Netopia 2247NWG-VGx Wireless Router...

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How do i forward a port i want to play call of duty black ops but i cant find an online game, the game website says to forward these ports, TCP [80] UDP [88, 3074, 22728, 33233] but i dont know how to...


http://www.netopia.com/support/hardware/technotes/NQG_025.html
Server List (Port Forwarding) NQG_025 With NAT enabled, the IP addresses of nodes on your LAN are private since they are hidden from the Internet. IP Servers let you pass specific types of network traffic through the Netopia router's NAT interfaces. Once configured, selected types of network traffic, such as FTP requests or HTTP (Web) connections, will be forwarded to a specific host or server behind the Netopia router. Please Note: From the LAN (Local Area Network), you will also be able to access the servers that are responding to requests from the internet, but only using the internal private IP address. Access via the public IP address is not supported from a local ethernet connection. If your ISP is routing you multiple public IP addresses, you can also configure the router to forward all ports in one public IP to a designated private IP address on your LAN via Easy PAT List entries. For those instructions, see Quick Guide NQG_024: IP Mapping (Address Forwarding).
Please Note: If your router is currently running Netopia Residential Firmware with a web "GUI" configuration menu, this technote is not applicable to you. Most 3300 Series Netopia Gateways can be upgraded to Enterprise level firmware. Click Here! to purchase the upgrade key.
Related documents: NQG_039 NAT and the Basic Firewall
Firmware References:
  • v8.2 R1 (and up) - 3300 Enterprise Series
  • v5.3.7 (and up) - 4000 Series
  • v4.8.2 (and up) - R-Series

Before You Start
Telnet into the Netopia router's Main Menu at 192.168.1.1 (if using the default IP setting). If your network has a different IP addressing scheme, modify this accordingly. Click Here! for instructions on using telnet and Hyperterminal (serial connection).
Login with the user name and password. The Superuser login is required to save changes. If you are unsure of this, contact your network administrator.
Don't forget to press the Enter key to save any entries. Hitting the back space, delete or tab without first hitting enter will undo any changes.
The Esc key will take you back towards the main menu screen.
Once you have completed your configuration, you should reboot the Netopia to save and apply your changes.

home_telnet.gif
The Netopia Main Menu Interface

Server List Configuration

  1. From the Main Menu of router console screens, go to Quick Menus, and select Network Address Translation.
  2. Select Show/Change Server List.
  3. Select Easy-Servers.
  4. From the Show/Change NAT Server List screen, select Add Server.
  5. Select Service and the service and port you want to allow. If your service and port are not available in the pull-down menu, select Other. Selecting Other will allow you to enter a specific service port or a range of ports since fields are provided for both a First Port Number and a Last Port Number. To allow a specific service port, the First Port Number and Last Port Number should be the same. Select Okay.
  6. Next, enter the Server Private IP Address, or the private IP address of the host/server you are forwarding the service to, and the Public IP Address you want to associate with the same host/server. This value can be left set to 0.0.0.0 if you are using the WAN IP as the Public IP address. Note: If your ISP is routing you multiple static IP addresses, other then the one used for Internet access, you may create more than one server for specific service as long as all servers have a different Public IP Address specified. For example, with two web servers on your LAN you would need to create two Server List entries for TCP 80 (www-http). Since each specific port (service) can only be mapped once using any given Public IP Address, a distinct public address must be used for each TCP 80 server list entry. It is not necessary for you to specify more than one Local WAN IP Address or Public IP Address in your router's configuration. As long as you are connecting to your ISP via a public IP address used for NAT, they are responsible for routing all other IP addresses via that connection.

Conclusion
You have now configured your router for TCP/UDP port forwarding. If you have a switched connection (ISDN or Analog), you will need to either disconnect and reconnect your Internet connection, or restart your router for the Nat Server List changes to take effect. If you wish to filter traffic for your static IP mappings, please see the following Netopia Technote:
NQG_039: NAT and the Basic Firewall

Nov 12, 2010 | Netopia CAYMAN 3387W-ENT CABLE/DSL...

1 Answer

I have a 3347 motorola modem and I have two


If you have a Private IP address from the Modem like 192.168.1.65. 10.10.10.254, 192.168.2.45, etc.... the the NAT will be an issue, for games like Dawn of Death 2 which need more Bandwidth when joining the Game Server the WAN IP address which is from your Modem need to Public like 65.24.85.148, 72.54.36.94, etc... if you have a WAN IP address then check the Firmware of your router and if possible get the specific port number from the Game Administrator and open it on your router so that you wont have NAT issues.

Mar 23, 2010 | Netopia 3347W-KIT ADSL Wireless Gateway,...

1 Answer

Xbox restrict chat . csomeone told me a NAt setting needs to be changed. I have a netopia 3347 router help children are screaming


Before You Start
Browse into the Netopia's web interface at http://192.168.1.254 (if using the default IP setting). If your network has a different IP addressing scheme, modify this accordingly.
Login with the admin user name and password. Admin login is required to save changes. If you are unsure of this, contact your network administrator.
Once logged in, click on the Expert Mode link in the left-hand side menu (if that link is visible). In the Expert Mode Confirmation screen click on Ok to continue. This menu bar will be visible at the top of your screen if you are in Expert Mode.
expertmenu.gif
Remember to click the Submit button to save any entries. Hitting the back button without clicking Submit will undo any changes.
Once you have completed your configuration, click on the 3000save.gif symbol in your upper right hand corner to validate the changes. Then click on Save and Restart.
3000home.gif The Netopia Web GUI Home Page in Expert Mode (Firmware v6.3 and later)
Configuration for NAT Default Host
  1. Click on Configure in the upper Menu bar.
  2. Click on Advanced.
  3. Under the NAT heading, click on the Default Server link to Set up NAT default server options. 3546defsrvr.gif 3546dfsrvrmenu.gif
  4. "Check" Enable Default Server.
  5. When the Default Server box appears, enter the NAT Server IP Address for the specified internal host to which NAT traffic should be directed.
  6. Click on Submit.
  7. Click on the 3000save.gif in the upper right hand corner. This will validate that the settings are legal for your network.
  8. If you get Validation Passed, click Save and Restart in the menu. If it doesn't validate the change, a message will indicate the reason. It must be corrected before the configuration change can be applied.
  9. This completes the configuration of the Netopia for NAT Default Host.
  10. the nat server ip is the one you type into the browser were you had to type in your admin log in

Jul 30, 2009 | Computers & Internet

1 Answer

Open NAT


To open NAT on this router your computer needs to have a static ip address.Enter the ip address of your router in the address bar of your browser. You should see a box prompting you for your username and password. Enter your username and password now.Click the Expert Mode link near the left side of the page.
Click the Yes, enter expert mode button near the center of the page.
The menu on the left should change. In this new menu, click Configure.
You should now see a new menu. In this new menu, click NAT.
Put a dot into the Port Forwarding: Range of Ports radio button.
Service name enter as Xboxlive.port 3074-3074 in global port range and 3074 in Base host port,click TCP as protocol,similarly use the same for UDP and port 88 in UDP.
Click the Enable button.
And that is it! You are done!

Jan 31, 2009 | Netopia (3347NWG-ENT) Router (3347NWGENT)

1 Answer

Vpn


this is not so much a soloution but an idea!
from memory the netopia devices allow you to configure a dmz device by IP or MAC address.

I have had to do something similar but with a buffalo unit instead of your linksys. I ended up having to place the buffalo unitin into a dmz created on the netopia unit. before VPN tunnles were formed correctly.

Nov 01, 2008 | Netopia 2247NWG-VGx Wireless Router...

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 192.168.1.136? 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 192.168.1.0 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.

MO

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

1 Answer

Xbox live


Router Config>Expert Mode>Advanced>Software Hosting>Games>XBox Live. Make sure you select the device (by IP Address) "Select a User(PC) to Host Games and Services: "

Mar 05, 2008 | Netopia (3347NWG-ENT) Router (3347NWGENT)

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 1.0.0.13 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 10.10.10.0 network with 255.255.255.0 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.

view plaincopy to clipboardprint?
  1. ip nat source static tcp 10.10.10.2 21 1.1.1.14 21 extendable
ip nat source static tcp 10.10.10.2 21 1.1.1.14 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 1.1.1.14 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 10.10.10.2 21 interface Dialer1 21 extendable
ip nat source static tcp 10.10.10.2 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)

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