[aprssig] Tier 2 Routing Question - Fixed

Lynn W. Deffenbaugh (Mr) ldeffenb at homeside.to
Thu Oct 22 11:40:05 EDT 2009

It seems that the correction has been accomplished.  At least, the 
packets that I was looking for between aprs2 and the core are now being 
seen at both.  Thanks to whoever accomplished the fix!  And especially 
to all those maintaining the APRS-IS backbone, both core and tier2.  
Those of us out at the client side couldn't do it without you!

Lynn (D) - KJ4ERJ

Lynn W. Deffenbaugh (Mr) wrote:
> 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 
> (http://en.wikipedia.org/wiki/Somebody_Else%27s_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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