Cisco 2960 and WLC Accounting Interim-Update

Matthew Ceroni matthewceroni at
Tue Apr 8 01:19:10 CEST 2014


Ya, I figured it was the NAS. All the reading I did seemed to suggest that.

I was able to force the 2960 to sent at regular intervals by setting the
Acct-Interim-Interval option in the Accept-Request packet. But that didn't
work for the WLC.

On Mon, Apr 7, 2014 at 4:11 PM, Alan DeKok <aland at>wrote:

> Matthew Ceroni wrote:
> > Working on setting up Accounting which for the most part works. However
> > I am unable to determine what causes the Interim-Update Acct-Status-Type
> > message to be sent. Checking the detail log (have that module turned on
> > in accounting section) I have seen those messages present. In fact
> > earlier in the day connected clients sent a few Interim-Update messages
> > (one was 1 second apart, than 10 seconds apart, than 30 seconds apart).
> > That happened early this morning. However ever since that I have not
> > seen any Interim-Update accounting messages.
>   The NAS originates accounting packets.  If it's not originating
> accounting packets, blame the NAS.
>   This is a common theme with RADIUS.  FreeRADIUS isn't perfect, but
> when things go wrong, blaming the NAS and/or the SQL server is a pretty
> good decision.
>   Alan DeKok.
> -
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