Hi,

 

All very good questions! Some thoughts, below.

 

Thanks for all your help!

 

... Russell


On Wed, Mar 17, 2010 05:01 PM, David Sommerseth <openvpn.l...@topphemmelig.net> 
wrote:


> 
On 17/03/10 22:40, open...@rkmorris.us wrote:
> > Hi,
> > 
> > 
> > 
> > I'm running OpenVPN (client) on Windows - connecting to a Linux Server. 
> 
> I'm presuming you're connecting to the management interface on the Linux
> server.
>> Russell: No, on the local client (i.e. on Windows). This avoids having to 
>> send information over the link (=wasted bandwidth, and lower speed).
> 
> 
> > I am wondering if a value isn't reported if there is no traffic - that 
> > could be part of this 
> 
> I have a feeling this is the reality. As I don't see any timer alarms
> scheduled in the management part of the code. So I need to see this
> more in connection with the main part of the event loop code. But I
> believe this is the case.
>> Russell: Understood - if it is please just let me know.
> 
> > (though it would be better to report information anyways).
> > 
> > Make sense?
> 
> Yeah, I can see your point. But isn't the information going to be
> rather useless if it hasn't changed? If there is no change, no need to
> dump the same info once again. What do you think?
>> Russell: I understand your point, but I'm also wanting to show transfer 
>> rate, and plot the data (which would be easiest if the data arrives 
>> uniformly). Not a huge issue, but I would to at least like to understand why 
>> this is the case. I guess if this is the way it works it should at least be 
>> captured in the documentation for the Management Interface, right?
> 
> 
> kind regards,
> 
> David Sommerseth
> 
> 
> 
> > On Wed, Mar 17, 2010 04:01 PM, David Sommerseth 
> > <openvpn.l...@topphemmelig.net> wrote:
> > 
> > 
> >>
> > On 17/03/10 20:46, open...@rkmorris.us wrote:
> >>> Hi,
> >>>
> >>> I am trying to write an application that monitors traffic over an OpenVPN 
> >>> link - by using bytecount information from the management interface. 
> >>> However, after I telnet in, and enter "bytecount 1" (for 1 second 
> >>> updates), I find that the real-time bytecount updates are not really 
> >>> every second. They seem to be initially, but soon slow down (to an update 
> >>> every 5-10 seconds).
> >>>
> >>> Is this expected, or a known issue?
> >>
> >> Hi,
> >>
> >> I'd say this is probably unexpected. But I'd like to know a little bit
> >> more about your setup. What kind of OS are you running OpenVPN?
> >>
> >> It sounds like your OpenVPN process get lower priority somehow. But it
> >> could also be that it is dependent on the amount of traffic passing over
> >> the tunnel. I'll dig more into the code to see if there are some
> >> oddities there before concluding.
> >>
> >>
> >> kind regards,
> >>
> >> David Sommerseth
> >>
> 
> 

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