One modem, two routers, and two VPN connections needed

RSSMalnati

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Oct 17, 2014
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Hey all, first time posting so bare with me.

Here's the background info: two of us in the house work on computers that use VPN connections. We use a VOIP application in order to receive calls and speak to customers.

Here's the problem: if one of us is taking calls alone, everything works great, but if we both hop on, it all goes to crap. Packet loss like crazy and we can't take calls without having to call the customer back since the calls drop.

Here's the setup I have now after trying to fix the issue (haven't tested so I don't know if it'll work): I have one central modem (cable modem). That modem has an AirPort Extreme router connected to it. Connected to that AirPort Extreme's LAN port is one of the computers. Connected to the same AirPort Extreme's other LAN port is another router (AirPort Express). The other computer is connected to the AirPort Express' LAN port. So, one computer is plugged into one router, the other computer is plugged into the other router, both routers are connected through ethernet, and AirPort Extreme is connected to modem.

My question is: how can we maintain one central modem and two routers all while keeping both computers hardwired so that we won't have VPN issues and packet loss issues? If you need more clarification, let me know! Thanks for your help in advance!
 
Solution
I am not sure why you would need the second router and not just plug the second computer into the first router directly. If you are using the second router as a AP then you in effect are plugging the second pc into the main router. In either case it is not likely the source of your problem

First I will assume you are not exceeding your bandwidth of the internet coming into the house the only solution for that is to pay the ISP more money.

Running VPN behind a router tends to be a tricky thing to do. The router many times must have support for a feature called VPN passthough. What is even worse is there are multiple forms of VPN. Pretty much you see SSLVPN,PPTP, and l2tp (ie ipsec). All these work differently.

SSLVPN should...

tinmann

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Apr 28, 2009
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Can you flash AirPort Extreme to Tomato or DD-WRT or get router that can handle those firmwares.
http://www.flashrouters.com/blog/2014/05/16/how-to-use-vpn-service-with-apple-airport-extreme-or-time-capsule/
https://www.bestvpn.com/blog/10288/the-big-dd-wrt-guide/
 
I am not sure why you would need the second router and not just plug the second computer into the first router directly. If you are using the second router as a AP then you in effect are plugging the second pc into the main router. In either case it is not likely the source of your problem

First I will assume you are not exceeding your bandwidth of the internet coming into the house the only solution for that is to pay the ISP more money.

Running VPN behind a router tends to be a tricky thing to do. The router many times must have support for a feature called VPN passthough. What is even worse is there are multiple forms of VPN. Pretty much you see SSLVPN,PPTP, and l2tp (ie ipsec). All these work differently.

SSLVPN should cause no issues since it appears to be standard HTTPS and runs over TCP which the router understands well. A single VPN connection works well because the VPN Passthough pretty much just sends all VPN traffic to a that machine. When you have multiple VPN it gets complex quickly. It will depend if the router (I know little about apple options) can set any of the VPN parameters.

If at all possible you want to run sslvpn mode even though the performance is not as good as a UDP based VPN.
 
Solution

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