Connecting two LAN's across the Internet

Ok,  I have two offices geographically separate both with fibre broadband connections.

Office 1 has an internal network of 192.168.10.0, Router internal IP is 192.168.10.254
Office 2 has an internal network of 192.168.0.0, Router internal IP is 192.168.0.1
Both routers are Draytek 2830's

I want to setup a link between the two offices so that staff can access files between the two.

What is the best way to achieve this and how do I actually do it.  I'd rather not break my routers as I tinker about trying to get it right.

Thanks in advance.
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FireflyITAsked:
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Mal OsborneAlpha GeekCommented:
What you are describing there is  a VPN. (Virtual private network)

I am not familiar with this particular device, however the spec online say it supports LAN-LAN VPN, so it should be possible.
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kulboyCommented:
The folowing article gives you a step by step guide on how to configure a lan 2 lan connection.
http://support.zen.co.uk/kb/Knowledgebase/Vigor-2800-VPN-LAN-to-LAN?Keywords=vpn

It would be a best practice to try this on another device, so that you know the steps before you do it on a production enviroment.

Before you do these test also make sure you have a backup of the configuration, so that you can go back fast and easy:  

to backup:
1Logon to Router Web Configurator page, choose System Maintenance >> Configuration Backup.
2. Click the Backup button.

to restore:
1. Logon to Router Web Configurator page, choose System Maintenance >> Configuration Backup.
2. Click Browse button, choose the config file that you'd like to restore then click the Restore button.
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FireflyITAuthor Commented:
Excellent looking article, thanks!  I'll follow it and come back.  Thanks
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FireflyITAuthor Commented:
Excellent! solid advice.  Reduced a few hours of tinkering to 15mins of precise instructions.  Thanks!
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FireflyITAuthor Commented:
Excellent, thanks Kulboy.  Perfect solution.
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kulboyCommented:
welcome
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