[AusNOG] Cisco LNS - dataplane errors

[Joseph Goldman]

Only hovering around 30%, no major spikes from what I can see when 
monitoring it.


On 10/08/16 13:06, Nathan Brookfield wrote:
>
> When you run a 'show proc cpu history' what does it look like?
>
>
> Kindest Regards,
>
> Nathan Brookfield (VK2NAB)
>
> Chief Executive Officer
>
> Simtronic Technologies Pty Ltd
>
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> ------------------------------------------------------------------------
> *From:* AusNOG <ausnog-bounces at lists.ausnog.net> on behalf of Joseph 
> Goldman <joe at apcs.com.au>
> *Sent:* Wednesday, 10 August 2016 1:01 PM
> *To:* John Edwards
> *Cc:* ausnog at lists.ausnog.net
> *Subject:* Re: [AusNOG] Cisco LNS - dataplane errors
>
> Hi John,
>
>  It was initially set much higher than the subscriber count, we also 
> removed it completely and to no help - we have since rebooted the 
> router which seems to have fixed it but it has now stalled twice since 
> that reboot so thinking quite likely faulty hardware, we are in the 
> process of cutting over to backup hardware now *sigh* thanks for the 
> look-in though.
>
> Thanks,
>
> Joe
>
> On 10/08/16 12:55, John Edwards wrote:
>> Hi Joseph,
>>
>> Have you tried setting the vpdn "session-limit" value to a number 
>> larger than the count of subscribers you're seeing?
>>
>> John
>>
>>
>> On 10 August 2016 at 11:35, Joseph Goldman <joe at apcs.com.au 
>> <mailto:joe at apcs.com.au>> wrote:
>>
>>     Hi All,
>>
>>      Cisco 7204-G2, running as an LNS.
>>
>>      Has anyone ever come across this error:
>>
>>     .Aug 10 01:58:39: VPDN uid:2171 Error setting up dataplane; set
>>     app req
>>
>>      Basically the router accepts sessions up to what seems a certain
>>     subscriber count then once that number is online starts
>>     generating these errors.
>>
>>      At best guess it is a full, finite resource. The number of
>>     allowed subscribers is slowly reducing, what I don't know is if
>>     this is due to bad garbage collection so to speak (i.e. 'stuck'
>>     sessions in the dataplane, that dont show in 'show users') or if
>>     the dataplane itself is actually dying/dead. If we kick a user
>>     offline or clear tunnels cleanly - users will re-connect back up
>>     to that number of subscribers (first in best dressed), which is
>>     what sparked this line of thinking.
>>
>>      Anyone who has experienced similar or knows this a bit more
>>     in-depth, your help would be appreciated, as its got me
>>     scratching my head so far.
>>
>>     Thanks,
>>     Joe
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>

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