[CentOS] regarding vpn server for 1500 clients

Ray Van Dolson rayvd at bludgeon.org
Fri Dec 19 15:49:42 UTC 2008


On Fri, Dec 19, 2008 at 03:42:08PM +0000, Karanbir Singh wrote:
> Rainer Duffner wrote:
> >> 1500 clients is quite a lot, but not hard to handle from a single 
> >> machine if you select a cpu capable of doing ssl quickly. eg a power6 
> >> machine with a few cores would handle that without any problems.
> > 
> > And what is the suggested RRP of such a thing?
> > (If one may ask).
> 
> I am sure if you ask someone who sells them, they will tell you :D
> 
> >> If you want to stick with commodity hardware, a couple of quad core 
> >> amd's should also fit right in.
> > Or use an SSL-offloader.
> > Then, you can handle the same load with much less CPU-power.
> 
> Can get fiddly, with specific drivers and patches required to various 
> bits.. But thats a solution that could work too.
> 

To OP; anecdotal evidence only -- and I certainly wouldn't recommend
using PPTP for a secure VPN solution :)  At my previous job we ran
PoPToP (PPTP) on CentOS and the older HP DL140 G1 1U servers and were
handling up to 1000 clients pretty comfortably per machine.  This was
with 1GB of RAM per server and a single 2.4GHz Xeon processor.

Left before we could migrate to OpenVPN which I think would have
slightly higher processing requirements. :)

Ray


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