Re: [Openvpn-users] OpenVPN over Satellite

[Darren L. <dl...@en...>]

I've successfully used openvpn over many satellite connections with
1500-2000ms latency.

I have noticed if the latency gets extremely high (4000 - 6000 ms) then
the openvpn keepalive will apparently timeout even though packets are
still making it though.  

While it's kind of ridiculous that the network would have 6000ms of
latency and still be online, that does sometimes happen on satellite for
extended periods during file transfers and so on.  It would be nice to
be able to set/override the time that openvpn waits for a ping response.



--
Darren Loher  |  Envysion, Inc  |  +1.303.590.2356  |  skype: dplore

-----Original Message-----
From: Les Mikesell [mailto:les...@gm...] 
Sent: Monday, February 01, 2010 2:47 PM
To: ope...@li...
Subject: Re: [Openvpn-users] OpenVPN over Satellite

On 2/1/2010 3:24 PM, Leonard Parker wrote:
> I'm just curious if anyone is familiar with a functional test case of
this.
> I have an office that runs 3 computers in a rural area asking for
> solutions best provided by VPN, but when a 512/512Kbps
> Satellite(High-Latency) might be the best they can get, it's difficult
> to know if it's even worth suggesting.

I haven't tried this, but can't think of any reason openvpn over UDP 
would make the latency much worse than it already is over a satellite 
link.  You'd probably want a local caching DNS server and if there is 
any web traffic, a caching proxy like squid and make sure you set MTU 
down (on the end point computers if necessary) to avoid any
fragmentation.

-- 
   Les Mikesell
    les...@gm...


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