Re: [Users] bandwidth

Laurent DANCIN wrote:

> without VPN working, my bandwidth rate is about 20Mbits/s (with Iperf

> my gateway is an old machine ...

There is calculation examples in freeswan documentation. Rough rule is network bandwith bits/second * 25 = cpu hz.

5Mbit/s * 25 = 125MHz so you are at cpu limit.

> The power is it enough ?

To Get 20 Mbit/s you need around 500MHz vpn gateway.

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And for 54Mbit/s you need about 1400MHz cpu.

That is with 3des. AES is in my experience about 3 times faster than 3des. With aes256 800MHz machine can serve ftp at 40Mbit/s without problems. And at that speed serving ftp takes some horsepower too.

-- 
Tuomo Soini 
Linux and network services
Foobar Oy <
http://foobar.fi/>

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