re: (ASCEND) unwarranted msgs: backoff q full

[Mitchell Arnone <mitchell.arnone@occ.treas.gov>]

Just reboot your TNT(s) and the message should go away.

I had the same message and that occurred only after a failed attempt to 
upgrade to 7.0 then downgraded to 2.1.3.  The way it was explained to me 
(and I cannot remember all specific details) was that there is a buffer 
which stores messages destined for the RADIUS server and if that buffer 
gets full, this error message is reported to the screen.  By rebooting the 
TNT, this buffer is refreshed and the message goes away.  It is a 
non-critical message and it does not indicate any loss of functionality.

Mitch
-------------
Original Text
From: "Joe Pautler" <pautler@grasshopper.cit.buffalo.edu>, on 3/30/99 2:48 
PM:
To: SMTP@DC2@OCC["Ascend Mailing List" <ascend-users@bungi.com>]

I have a stack of (2) TNT's, running 2.1.3.

I am getting many of the typical "backoff Q full, discarding user"
messages via syslog.

However, my radius accounting server is getting and logging the
records just fine, and is also acknowledging them.  Below is
a tcpdump capture of the network traffic:

tnt200-79.dialin.buffalo.edu.1677 > diameter.cit.buffalo.edu.radacct: udp 
77
diameter.cit.buffalo.edu.radacct > tnt200-79.dialin.buffalo.edu.1677: udp 
20 (DF)
tnt200-79.dialin.buffalo.edu.1673 > diameter.cit.buffalo.edu.radacct: udp 
77
diameter.cit.buffalo.edu.radacct > tnt200-79.dialin.buffalo.edu.1673: udp 
20 (DF)
tnt200-79.dialin.buffalo.edu.1679 > diameter.cit.buffalo.edu.radacct: udp 
191
diameter.cit.buffalo.edu.radacct > tnt200-79.dialin.buffalo.edu.1679: udp 
20 (DF)
tnt200-79.dialin.buffalo.edu.1679 > diameter.cit.buffalo.edu.radacct: udp 
91
diameter.cit.buffalo.edu.radacct > tnt200-79.dialin.buffalo.edu.1679: udp 
20 (DF)

Anyone have any idea why I'm getting these syslog messages, or what
I can do to investigate further?  Is the radius server replying
(acknowledging) to the right place (originating port of the record on the 
TNT)?

___________________________________________________________________________
Joe Pautler, E.I.T.                             University at Buffalo
CIT/OSS Network Engineering                     224 Computing Center
http://www.oss.buffalo.edu/~pautler             (716) 645-3536

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