misc@:

I've been asked by several users offlist about expected speeds of hardware accelerated IPSec VPNs. Rather than reply to each individually, I put together the following matrix.

I created several VPNs on my 100Mb LAN, using a 2.4GHz Intel system[1] as the iperf "server", and a 1.0GHz PadlockACE VIA[2] and a 266MHz net4801[3] as the clients. I also added a Soekris vpn1411 to the VIA[4] and net4801[5] systems. All systems were running OpenBSD 4.0-RELEASE, and all VPNs were host-to-host and manually-keyed. Only one VPN was running at a time.

                          net4801               VIA
VPN           net4801     vpn1411     VIA       vpn1411

None          32.1Mb/s    32.1Mb/s    92.7Mb/s  92.7Mb/s
MD5/3DES       3.5        10.0        17.9      39.7
SHA1/AES       6.3        10.1        67.3      65.4
SHA2/AES       5.2         5.2        40.1      40.1

  Regards,
    Greg

[1] http://firewallworks.com/archive/misc/20061113/hp_dmesg.txt
[2] http://firewallworks.com/archive/misc/20061113/via_dmesg.txt
[3] http://firewallworks.com/archive/misc/20061113/net4801_dmesg.txt
[4] http://firewallworks.com/archive/misc/20061113/via_vpn1411_dmesg.txt
[5] http://firewallworks.com/archive/misc/20061113/net4801_vpn1411_dmesg.txt

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