Question about Arris SURFboard SBG900 Wireless Router (DHSBG900)

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Nat setting need to open nat setting

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Two things are important for opening NAT:

  1. You have to give your computer a static IP address, so the forwarding process can find the right machine to forward to. If you don't know how to do that, you can find a guide here.
  2. You need the specific port numbers you want to forward. Of course you can just open ALL ports, but you would expose your computer to port scanning, which is a huge security risk. (Think of your car door that has a keypad for unlocking. Now you say "press any number between 1 and 65535 and the door will open" - You don't want to do that, right?)
Look at this page, which lists many applications and gives you detailed step-by-step instructions how to set up port forwarding on this router. If your software is not mentioned, you still can use the default guide and just replace the port numbers with the one(s) you need to forward.

If you have any more questions, just come back here and leave a comment - I'm happy to help.

Posted on Sep 26, 2009

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1 Answer

NAT IS STRICT


STEPS TO CHANGE NAT SETTINGS TO "OPEN":

1- Using your Browser, Log on to your router (by normally typing in the 192.168.1.1 address check your router's manual to see what the default gateway address)

2- If you already know how to log in to your router, then skip this step. If you have never logged on to your router then more than likely you still have the default initial log in credentials (username: admin - Password:1234 ..... Again check your router's manual to be sure). The minute you log in you need to change that password immediately, most network-savvy folks know that 90% of the people out there never reset their router's initial password and they can log on and make any changes to suit their needs, including locking you out of your own router.

3- Once you are logged in, you should be able to find two advance settings (One if for NAT - and the other is for Upnp)

4- Let's start with the NAT setting changes, and we will move on the Upnp at the end. I have personally tried the NAT setting changes and it didn't fix anything, I still had a "Strict" NAT setting on my xbox360, Only when I checked for the Upnp "allow authorized incoming traffic" options when the NAT settings on my XBOX finally came back as "Open" and not "Strict". But I will still explain what I did anyways with the NAT table cause I know it may work for some other routers.

5- So what I did with the NAT setting is this. I located the NAT advanced setting on my router, I click on the NAT (Edit List setting) or whichever link/button you have on your router advanced NAT settings to access the table needed to open certain ports (TCP and UDP - 88 & 3074) .

6- You will need to find out what the static/dynamic (preferably Static) IP address you xbox360 has. To do so, go to the Dashboard, go to the Console settings page, and click on the network settings to see the IP address (should be something like 192.168.1.x). You will need that IP address to enter into your NAT table on your router.

7- Once you got your XBOX's IP address enter it in the NAT Port Forwarding table (From - To - IP address: those are the 3 fields you should have on the table if you are using SUA NAT)

8 - In the first line enter 88 under both "From" and To" fields, then enter the IP address of the xbox in the field where you are to enter an IP address. (this is for UDP port)

9 - Repeat the same step for port TCP (which is 3074)

10- If these changes do not help open your NAT settings, then try the Upnp option. Click on your Upnp Advances settings and click on the "Allow Traffic" option, this is mostly secure because you are only accepting the incoming traffic that matches your outgoing traffic.

Mar 02, 2011 | Belkin Basic Wireless Router

2 Answers

Restricted nat for xbox / linksys 160n router need to open


You are trying to open the NAT on the router for X-box.
For this you will need to reduce the MTU settings on the router to 1365.
You will also need to trigger some ports on the router.
For this you will need to open the router set up page.
Router set up page is the page where you can change the settings of the router

Click Here
to know more about router and network

Apr 20, 2010 | Linksys WRT160N Wireless Router

2 Answers

I want to change my nat type


You are trying to open the NAT on the router for X-box.
For this you will need to reduce the MTU settings on the router to 1365.
You will also need to trigger some ports on the router.
For this you will need to open the router set up page.
Router set up page is the page where you can change the settings of the router
Click Here to know more about router and network

Apr 19, 2010 | Linksys WRT160N Wireless Router

1 Answer

How do i change my nat type to open. I have a problem with my connection with my Xbox Live NAT connnection


You are trying to open the NAT on the router for X-box.
For this you will need to reduce the MTU settings on the router to 1365.
You will also need to trigger some ports on the router.
For this you will need to open the router set up page.
Router set up page is the page where you can change the settings of the router
Click Here to know more about router and network

Feb 10, 2010 | Linksys WRT160N Wireless Router

1 Answer

NAT on xbox live is moderate! i need it to be open, for best results. What do i need to do?


You are trying to open the NAT on the router for X-box.
For this you will need to reduce the MTU settings on the router to 1365.
You will also need to trigger some ports on the router.
For this you will need to open the router set up page.
Router set up page is the page where you can change the settings of the router

Click Here to know more about router and network

Jan 28, 2010 | Belkin Wireless G Plus MIMO (F5D9230-4)...

2 Answers

HOW DO I CHANGE MY NAT TO OPEN FROM STRICT?


redu8ce the MTU settings on the router to 1365.
you will also need to open some ports for PS3 on the router.
For this you will need to access the router set up page.
connect a computer to the router. check the IP address on the computer.
according to the default gateway open the router set up page.

Click Here for more information about the routers and network

Jan 09, 2010 | Belkin (F5D8231-4) Wireless Router...

2 Answers

I need to change my nat type from strict to open


This router does not have the typical "strict or open" NAT types. Looking at the manual, it looks like what you want is NAT enabled and SUA only enabled.

http://www.zyxel.com/web/support_download_list.php?indexflag=20040906173729&ModelIndexflags=0,420041221102511,420041221102520,420050117110858,420050117110916,420050117110934,420050831093216,420050831095441,420060420160946,420060420161739,420060816160116,420080815092146,420090427144843

Page 133 has the details.

Log into router
go to the NAT tab
Enable NAT
Enable SUA only
Apply the change.

Nov 18, 2009 | Zyxel P660HW-D1 Router

2 Answers

Change NAT to open


You need to open all the ports for the xbox live. The NAT of that router model cannot be configured to open. Its just a simple NAT for internet connection.

Feb 09, 2009 | Linksys WRT160N Wireless Router

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