Site to Site VPN on the cheap [closed]

Question

Investigating my options on connecting two offices together via a site-to-site VPN for a term of about four months. The primary usage will be collaboration using Unity Asset Server.

Both offices are connected to the internet via BT ADSL2+, the supplied modems offer no VPN functionality at all so at the very least we need to buy extra hardware or replace them with a ADSL2+ Modem/Gateway that supports being either a VPN Endpoint on one end and a VPN Client on the other end.

Looked at the offerings from Linksys, Cisco, Netgear and D-Link and none of the product pages are particuarly clear as to if the support a part in a site-to-site VPN relationship.

How can this be achieved without spending out on Cisco ASA Range Kit?

Answer 1

Get a pair of Draytek 2800 (not current range) or 2820-series routers as they support direct VPNs in their firmware. You can sometimes pick up 2800s on Ebay for around £40 or less. Easy to setup too!

http://www.draytek.co.uk/products/vigor2820.html

VPN Facilities:

• Up to 32 Concurrent VPN Tunnels (incoming or outgoing)
• Tunnelling Protocols: PPTP, IPSec, L2TP, L2TP over IPSec
• IPSec Main and Agressive modes
• Encryption : MPPE and Hardware-Based AES / DES / 3DES
• Authentication : Hardware-Based MD5 and SHA-1
• IKE Authentication : Pre-shared Key and X.509 Digital Signature
• LAN-to-LAN & Teleworker-to-LAN connectivity
• DHCP over IPSec
• NAT-Traversal ( NAT-T )
• Dead Peer Detection (DPD)
• VPN Pass-Through

Answer 2

You really are looking at products that were not designed to do that. They are home products.

If you want relatively cheap firewalls that will do that well, take a look at picking up a couple of used SonicWALL TZ190's or later models.

Since this is for a business, don't go too cheap.