For the sake of completeness, Sun just announced a new Crypto
accelerator board with GigE interfaces that does SSL and IPSec VPNs,
and claims 800 Mb/s "bulk 3DES encryption":
http://www.sun.com/products/networking/sslaccel/suncryptoaccel4000/index.html
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Simon.
Here's a summary of answers I received, thanks to all:
* Netscreen www.netscreen.com
Wide variety of products from low end 10Mbps boxes to high end 1000Mbps
boxes. Generally also firewalls, have VPN client support, and other
features.
From a site-to-site VPN perspective the low end is
