%RADIUS-4-RADIUS_ALIVE | %RADIUS-4-RADIUS_DEAD help

[Borislav Dimitrov]

Hi there,

I may be mistaken but... these are log message on the NAS aren't they?
If this is the case, I've experienced similar behavior with Cisco VoIP  
routers (RADIUS Server DEAD and then... ALIVE). This happens if you  
haven't properly enabled concurrency in FreeRADIUS - the CPU usage  
stays low 0%-1%-2% but if the requests are many they are obviously  
waiting each other... This happens when you have stared FreeRADIUS  
with the -X key (I think it starts with a single thread then) or have  
too low values for the thread pool parameters (and/or the *_clones  
options of rlm_perl which are to be deprecated soon). If you configure  
proper values according to the expected usage (concurrent requests),  
then the request won't wait each other to finish while the CPU stays  
unused and you'll avoid this annoying message in your logs. A sure  
sing that something like that is going on is the Acct-Delay-Time  
parameter with values greater than 0 - that is for accounting not sure  
for auth etc. Anyways if the values of that parameter are high (they  
are in seconds I think) then the requests are waiting too long and  
hence the error messages.

On 27.04.2009, at 10:42, Nicolas Goutte wrote:

>
> Am 27.04.2009 um 09:08 schrieb ramesh p:
>
>> I'm seeing the following weirdness from my freeradiusserver and  
>> when i see the radiusd process its stopped status. why this  
>> happens. any valid reasons for this?
>>
>> Apr 26 00:18:44.498: %RADIUS-4-RADIUS_ALIVE: RADIUS server
>> X.X.X.X:0,1813 is being marked alive.
>>
>> Apr 26 00:18:50.777: %RADIUS-4-RADIUS_DEAD: RADIUS server
>> X.X.X.X:0,1813 is not responding.
>>
>> Apr 26 00:18:50.777: %RADIUS-4-RADIUS_ALIVE: RADIUS server
>> X.X.X.X:0,1813 is being marked alive.
>>
>> Apr 26 00:18:59.133: %RADIUS-4-RADIUS_DEAD: RADIUS server
>> X.X.X.X:0,1813 is not responding.
>>
>> Apr 26 00:18:59.133: %RADIUS-4-RADIUS_ALIVE: RADIUS server
>> X.X.X.X:0,1813 is being marked alive.
>>
>> Apr 26 00:19:04.765: %RADIUS-4-RADIUS_DEAD: RADIUS server
>> X.X.X.X:0,1813 is not responding.
>> Thanks in advance.
>
>
> Have you checked the output of radiusd -X if there is a reason given  
> or any other hint?
>
>>
>> Regards,
>> Rams.
>> -
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>
>
> Have a nice day!
>
> Nicolas Goutte
>
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