Linksys RV042 10/100 4 port vpn router keeps dropping connections. Is there a fix I have spent a lot of money with various poeple to help and no fix yet.

Error 800: Unable to establish VPN connection

This issue may be caused by a router that has outdated firmware.

Make sure that port 1723 is opened on your router.
For VPN connection , you can try opening port 500, 443-447, 10000-20000 and important port 1723 on your router.

I will suggest you to upgrade firmware on your Linksys router.
After upgrading the firmware, reset the router to factory default and reconfigure it manually.
Open the ports mentioned above and see if that works.

See How to upgrade firmware on Linksys router.

See How to setup Linksys router

Port 1723 Virtual private network (VPN) is the one you need open for VPN to work

you are trying to connect to the VPN client.
Which VPN software you are using ?
To connect to the VPN , you will need to trigger ports on the router.
open the set up page of the router and trigger the ports on the router. The port numbers will be. 1723 , 10000-20000 , 443-447 , 500. Also reduce the MTU settings to 1365.
Disable the Block Internet request, you will find this option under security tab.
Make sure that the firmware of the router is up to date.

Click here for more information about router and network

it could be a lot of things giving you trouble
fisrt check if your connection is droping from the isp
if so contact isp
second check lights on modem such as power dsl and internet
3rd think of a modem remplacement

Most times when VPN is not working is because one of the ports is not forwarding right. Easy fix is to go to router settings and enable DMZ for your computers IP address. Also you can actually find out what are the ports this VPN uses and go to Port Forwarding part of router and open the ports manually. My favorite is DMZ. All this does is open up ports for your computer IP address so there is no blocked pockets. Good luck.

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!

the best thing to do here is have a firmware upgrade which can be downloaded from the Linksys site. Base from experience (we have been using a lot of linksys products and currently we are using an RV016), these lock-up problems are caused by firmware problems and can be solved by firmware upgrade.

You may need to set specific ports on your router to use the voip. log onto router and go to the applications and gaming tab to set the specific ports voip needs to access Internet.

how i can get code from linksys

the following is from a nice guide i found on the net, see if it works for you: First thing to check is whether your router has any settings for PPTP or IPsec "pass through". These are commonly found in Linksys routers but you may have to hunt around for them on other makes. All you need to do is enable the setting for the VPN protocol that you're using, reboot your router and, if you're lucky, the VPN connection will come right up. Note: Not all routers have these enables and the lack of them doesn't necessarily mean that you can't get VPN working. Open up that Firewall Still no connection? The next step is to try opening some ports in your router's firewall to get your VPN connection made. In each case, you'll need to open the specific ports (and protocol) to the IP address of the computer that you're running the VPN client on. NOTE that port mappings work with only one computer at a time. If you have multiple VPN clients that you need to connect, your router will have to support the VPN protocol that you're using without requiring ports opened. If you're using Microsoft's PPTP protocol, TCP port 1723 is the port you'll need to forward to allow PPTP control traffic to pass. Figure 2 shows the Forwarding screen on a Linksys BEFSR41 set to forward this port to a client with IP address 192.168.5.100. PPTP also needs IP protocol 47 (Generic Routing Encapsulation) for the VPN data traffic itself, but note that this is a required protocol, not a port. The ability to handle this protocol must be built into the router's NAT "engine"?which is true of most present-generation routers. IPsec-based VPN's need UDP port 500 opened for ISAKMP key negotiations, IP protocol 51 for Authentication Header traffic (not always used), and IP protocol 50 for the "encapsulated data itself. Again, the only "forwardable" item here is UDP port 500, which is also shown programmed in Figure 2 to the same LAN client machine?protocols 50 and 51 must be built into your router. Tip: Not all routers are created equal! Some allow only one VPN tunnel to be opened and used by a single client. Others support multiple tunnels, but with one client per tunnel. Unfortunately, most vendors don't make the VPN pass through capabilities of their products clear in their documentation, nor do they have support staff properly trained to provide this information either. In most cases, your only option is to try a router in your specific application, and make sure you can return it and get your money back if you can't get it working. Still not Working? Getting many IPsec-based VPN setups working can be a black art due to the wide variation in techniques used by various vendors. Although IPsec products have become more uniform as the technology matures, your company may use older, more proprietary products that may not be configured with NAT in mind, or require additional ports to be opened in your firewall.