[lvs-users] [OT] High Performance Linux Firewall / VPN Device?
Joseph Mack NA3T
jmack at wm7d.net
Fri Oct 7 01:27:02 BST 2011
On Wed, 17 Aug 2011, Robinson, Eric wrote:
I remember you were talking about upgrading your Juniper
gear if you couldn't find an open source solution.
I assume you've already found your solution to this problem,
but better late than never...
I was at a computer bash tonight where I happened to be
talking to the local F5 Field Systems Engineer.
The F5 guy said that their VPN was cheaper than Juniper's
for better performance (I have no idea myself, this is just
Other things I didn't know about F5
o they run CentOS with their own F5 tcpip stack (they used
to be FreeBSD but rewrote it for CentOS)
o they have their own hardware (well Mobo anyhow, the FSE
doesn't know if they have their own NICs). (Some other
company who I've forgotten just used commodity hardware all
o you can download the F5 VM for free and run it in VMWare.
You won't get the peformance you get on the F5 hardware, but
you will get to test the management of it.
o they reply route on the MAC address of the incoming
packet, so the reply packet doesn't go through a routing
The FSE says you don't get much performance if you're doing
SSL offload in software on a standard CPU in something like
OpenVPN. You need a hardware accelerator card to get
>> openVPN Access Server is super easy to install and fairly
>> easy to configure.
>> I deployed it at work and it's been working quite well for
>> us. However, we currently don't have more than about 10
>> people using it at the same time.
> We would have a couple thousand people using it, with hundreds of
> tunnels. :-/
>> Since it's SSL, it's CPU bound. Just throw RAM and more CPU
> That shoots it down for us. We need IPSEC. :-(
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Joseph Mack NA3T EME(B,D), FM05lw North Carolina
jmack (at) wm7d (dot) net - azimuthal equidistant map
generator at http://www.wm7d.net/azproj.shtml
Homepage http://www.austintek.com/ It's GNU/Linux!
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