Question about Arris SURFboard SB4220 Modem

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Need to connect modem to two computers so one computer can access work vpn.

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Depending on how you set up the first computer, you can have one computer connected by USB and another by ethernet (straight-through cable). If you want both computers connected by ethernet, you need a crossover ethernet cable between the Modem and a router or switch (hub). You will need a straight through ethernet cables from the router to each computer.

Then set up each computer as appropriate for the type of connection (including installing drivers for the USB as needed). For more details see: http://broadband.motorola.com/consumers/products/SB4220/downloads/SB4220_userguide.pdf .

I hope this helps.

Cindy Wells

Posted on Nov 06, 2010

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Frequent VPN connection drop on my wifi


If you can't connect via the Internet to your workplace network from home (or another location), check the items in this list:

  • Make sure that you typed the virtual private network (VPN) server name exactly as provided by your network administrator.

  • You must have an active Internet connection for a VPN connection to work.

  • If your modem is external, make sure that the modem power is turned on.

  • Contact your network administrator to make sure that you have the appropriate connection and domain permissions on the remote access server.

  • This could be a certificate problem. For assistance, contact your network administrator.

  • A VPN connection won't work with an active Winsock proxy client. Contact your network administrator to make sure the Winsock proxy client is not enabled.

  • If you know the IP address (for example: 131.107.10.25) of a website, type that address in the address bar of your web browser and press Enter. If this works, there is probably a Domain Name System (DNS) resolution problem. For assistance, contact your network administrator.

  • If you have special software that's required or installed by your workplace, it could be part of the problem. For assistance, contact your network administrator.

  • If you know the IP address (for example: 131.107.10.25) of your VPN server, type that address for the VPN connection, and then press Enter. If this works, there is probably a DNS resolution problem. For assistance, contact your network administrator.

  • There could be a problem with the server you're trying to connect to. For assistance, contact your network administrator.

If you try to connect with a VPN connection and you see a message that says "The local computer does not support encryption" and has the error code 741, it's possible that the encryption that your computer uses doesn't match the encryption used by the VPN server. To change the encryption settings so that your computer uses the recommended setting of 3DES, follow these steps:

  1. Open Connect to a Network by clicking the network icon (eff2d36c-9e0d-4d1a-9859-3af14fa4ccfc_73.jpg or da12251d-1e9a-4032-afae-009876c6c5a3_80.jpg) in the notification area.

  2. Right-click the VPN connection, and then click Properties.

  3. Click the Security tab.

  4. Under Data encryption, select Maximum strength encryption (disconnect if server declines), and then click OK.

  5. Open Connect to a Network by clicking the network icon (eff2d36c-9e0d-4d1a-9859-3af14fa4ccfc_73.jpg or da12251d-1e9a-4032-afae-009876c6c5a3_80.jpg) in the notification area.

  6. Click the VPN connection, and then click Connect to try connecting again.

Apr 21, 2013 | Belkin Surf N300 Wireless N Router

Tip

VPN in Microsoft Server 2003


The full form of VPN is Virtual Private Network. VPN gives extremely secure connections between private networks linked through the Internet. It allows remote computers to act as though they were on the same secure, local network. Allows you to be at home and access your company's computers in the same way as if you were sitting at work.

Almost impossible for someone to tap or interfere with data in the VPN tunnel. If you have VPN client software on a laptop, you can connect to your company from anywhere in the world. VPN goes between a computer and a network (client-to-server), or a LAN and a network using two routers (server-to-server). Each end of the connection is a VPN "endpoint", the connection between them is a "VPN tunnel".

When one end is a client, it means that computer is running VPN client software. You can use a virtual private network (VPN) to connect components to one network by using another network. VPN do this by "tunneling" through the Internet or another public network. With a VPN, connections across the public network can transfer data by using the routing infrastructure of the Internet, but to the user, the data seems to travel over a dedicated private link.

A VPN gives you the benefit of a dial-up connection to a dial-up server, plus the flexibility of an Internet connection. Using an Internet connection you can connect to resources all over the world. If you have a high-speed Internet connection at your computer and at your office, you can communicate with your office at full Internet speed. This is much faster than any dial-up connection that uses an analog modem.

VPNs use authenticated links to make sure that only authorized users can connect to your network, and they use encryption to make sure that others cannot intercept and cannot use data over the Internet. A Tunneling Protocol is a technology that helps make the transfer of information over the Internet more secure from one computer to another.

VPN technology also permits a corporation to connect to its branch offices or to other companies over a public network, such as the Internet, while helping to maintain secure communications. The VPN connection across the Internet logically operates as a dedicated wide area network (WAN) link.

VPN in Windows 2003 Server: You need a high speed Internet connection to configure and run VPN server. Two individual lan card must be present in a single system where you want to configure a VPN Server. The lan cards should ping each other. Also need a User which's Dial in allow access should be enable. Microsoft 2003 server two tunnelling protocols for a secure VPN connection, one is PPTP (Point-to-Point Tunnelling Protocol) which Provides data encryption using Microsoft Point-to-Point Encryption. The other is L2TP (Layer Two Tunnelling Protocol) which Provides data encryption, authentication, and integrity using IPSec.

Steps to create VPN Server in 2003 Server: At first I go to Start and point to Administrative Tools, then click Routing and Remote Access. Then I click the server icon that matches the local server name in the left panel of the console. If the Routing and Remote Access service was previously turn on, you may want to reconfigure the server.

To reconfigure the server Right-click the server object, and then click Disable Routing and Remote Access. Click yes to continue when you are prompted with an informational message. Then Right-click the server icon and then click configure and Enable Routing and Remote Access to start the Routing and Remote Access Server Setup Wizard. After that click Remote access (dial-up or VPN) to turn on remote computers to dial in or connect to this network through the Internet. Then I have Click to select VPN. In the VPN Connection window I click the network interface (Lan) which is connected to the Internet and go the IP Address Assignment window, then I click Automatically because there was present a DHCP server in network. However, if DHCP is not available, you must specify a range of static addresses.

If you use from a specified range of addresses, open the Address Range Assignment dialog box and Type the first IP address in the range of addresses that you want to use in the Start IP address box. Type the last IP address in the range in the End IP address box. Windows calculates the number of addresses automatically. After that I have accept the default setting of No, use Routing and Remote Access to authenticate connection request and finally Click Finish to turn on the Routing and Remote Access service and to configure the server as a Remote Access server.
For the remote access server to forward traffic properly inside your network, you must configure it as a router with either static routes or routing protocols, so that all of the locations in the intranet are reachable from the remote access server. It also need for security purpose.<SPAN style="LINE-HEIGHT: 115%; FONT-FAMILY: 'Verdana','sans-serif

on Mar 22, 2011 | Microsoft Windows Server 2003 Enterprise...

2 Answers

I have a Belkin N1 wireless router connected to a broadband cable modem. I can connect to the internet via laptop & desktop with no issues. However when I try to connect to my work Sonicwall VPN it...


Firewall ports need to be opened. Log into router and turn on DMZ to your computer. Find your IP address on your machine 192.168.X.X and put that into DMZ settings or open up appropriate ports for VPN

Feb 11, 2010 | Belkin N1 Vision Wireless Router

1 Answer

Belkin F5D9230-4 won't allow a connection to M Exchange server


Login to your Belkin router and check to see if there is a firmware update available for your specific model. If so, download and install it as this may resolve the problem without doing anything else. (Be sure to save your configuration first)

The specifications for a F5D9230 state that it supports VPN passthrough so you shouldn't need to configure anything in the router itself. It may be necessary to open a few incoming ports but only as a last resort.

Would you also reply to this post and specify...
  1. What OS are you running on your pc?
  2. What VPN client are you using on your pc?
  3. Ask the administrator of the Exchange server if they're using PPTP or L2TP for VPN connections.
Another option would be to use OWA (Outlook Web Access) to access your email if it has been installed on the Exchange server.


Aug 22, 2009 | Belkin Wireless G Plus MIMO (F5D9230-4)...

1 Answer

Problem with VPNand Linksys router WRT150N


If that is the case you may forward ports on the router for VPN connection, try to open 47, 500 and 1723 all TCP and UDP protocol.

Here's what you need to do, check the IP address of the computer where you have the VPN software,

here's how:
click start> run> type cmd> hit okay
on the black screen put in ipconfig and check the IP address there,

> when you get the IP address then we can enable port forwarding on the router

> open IE on the working computer on the address bar, type 192.168.1.1

> nothing for username and password is admin in lower case

> then click on the applications and gaming tab on the router,

> and from there, example of how to field that in is like this,

> for aaplication name - VPN1
> for port it is 47 to 47
> for protocol it is BOTH
> for IP address ex. 192.168.1.XX - 192.168.1.100
> then check enable, do the same thing for the rest of the port.
> save the settings and try it again after.

> if it is still nothing, you may connect the computer that has the VPN connection directly to the modem and check if you will be able to connect via VPN

i'll wait for your response, thank you and have a nice day!

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1 Answer

I have netgear wpn824 wireless router and it works fine until I try to connect to my work server through their Sonicwall VPN. If I unplug the netgear and go straight into my computer through the DSL modem...


Two routers on two different sets of internal IP addresses will cause all kinds of conflicts. A VPN router is even worse. VPNs (virtual private networks) are designed to create encrypted tunnels between two computers. The computer its set to connect to must be authorized either as a user or a device with proper credentials. If your VPN authorizes devices based on MAC addresses, then unless your router's MAC address was previously authorized, youre not going to connect. Lets take the router out of the equation for a second. Do you have a working broadband connection from the sonicwall that the router can be plugged into? If you do, then you can treat this connection to your router like its a cable modem or DSL. If this connection has manual settings (such as IP address, default gateway, and primary and secondary DNS addresses) you will need these settings too. Post back and keep us updated...

Jan 17, 2009 | Computers & Internet

1 Answer

2Wire to connect to a VPN far away.....


were you able to use DMZPlus mode in your 2wire modem?
also check if your computer is able to access the internet & you have not hard coded your IPs in your LAN (if you are using dynamic IP).

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1 Answer

Cannot connect to remote Microsoft VPN


Hello, some ISPs require someone to manually/staticly assign a default gateway for a router. With computer connected directly to ISP modem, if using Win XP click start, run and enter "cmd". This will bring up a black text box(CLI). at the prompt> enter ipconfig and click enter. This will show the computers IP address Subnet mask and default gateway. You will need to connect the modem to router to computer. If you haven't changed default settings, From browser enter 192.168.1.1 in window. Enter. This will open router settings. Username and password will be "admin". It may require admin for either or both. You may have a Initial set up link. From here you'll need to enter Default gateway address to access the modem and internet. Hope this helps

Mar 19, 2008 | D-Link DSL-G604T Wireless Router

1 Answer

Can't connect to AT&T VPN


I'll need to know what router you're using, make and model, for more specific help, but sometimes there is an option for IPSec passthrough. For example, on my Linksys Wireless Router WRT54G, there is a set of buttons under Security/VPN that are entitled IPSec Passthrough, PPTP Passthrough, and L2TP Passthrough. Since I don't know what router you're using, I can't tell you wether or not your router supports such functions or not, but if it does, you need to enable them.

Mar 04, 2008 | Trendware 54Mbps 802.11g Wireless AP

4 Answers

CANT GET VPN CONNECTION


the vpn connection from your home to work or the vpn connection from anywhere else to your home by vpn.

here you find a forum with the same problem:

http://broadband.motorola.com/consumers/support/faqs/surfboard_faq.asp#cant_login_vpn

Dec 07, 2007 | Arris SURFboard SBG900 (49402201900) Modem

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