[aprssig] Tier 2 Routing Question

Lynn W. Deffenbaugh (Mr) ldeffenb at homeside.to
Thu Oct 22 10:53:21 EDT 2009

I'm glad to have it explained at least.  I was thinking that possibly 
something had happened in my recent client upgrade that cause the 
packets to be non-routed through the -IS.  I'll turn on my SEP field 
until the problem goes away.

Lynn (D) - KJ4ERJ

SEP = Somebody Else's Problem 

 From Douglas Adams book Life, the Universe and Everything:

"An SEP is something we can't see, or don't see, or our brain doesn't 
let us see, because we think that it's somebody else's problem.... The 
brain just edits it out, it's like a blind spot. If you look at it 
directly you won't see it unless you know precisely what it is. Your 
only hope is to catch it by surprise out of the corner of your eye."

Pete Loveall AE5PL Lists wrote:
> You are correct.  I am not an aprs2.net person but I am the author of the software they use and I was informed by email early this morning of the changes they implemented.  They have implemented one feature that is designed solely for core servers which is causing a portion of their feeds are not being sent to the core servers.  They have been informed of this error and we should see it corrected today.
> Their changes were implemented to improve APRS-IS performance.  As often happens, however, there was a misunderstanding of how certain things work causing the error in configuration.  I hope all are not too inconvenienced by this temporary interruption in service.
> 73,
> Pete Loveall AE5PL
> pete at ae5pl dot net
>> -----Original Message-----
>> From: Matti Aarnio
>> Sent: Thursday, October 22, 2009 9:07 AM
>> On Thu, Oct 22, 2009 at 09:59:52AM -0400, Lynn W. Deffenbaugh (Mr)
>> wrote:
>>> Can someone explain some APRS-IS routing issues that I see going on
>> as I
>>> type?
>> ....
>>> Is there something amiss in the routing of the -IS from tier 2 to the
>>> core this morning?
>> There was some radical APRS-IS Tier-2 netsplit at 03:00 UTC this
>> morning.
>> About a third of global flow stopped flowing to aprs.fi.
>> That split continues.
>> Maybe the Aprs2.net people can explain it.
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