[snmp] slow snmp v3 discovery timeout

[Gejo.Thayil at aricent.com]

>In working with snmpv3 contexts, I've found that sending a Pdu request to 
an
>agent is not there takes a long time to return ~19 seconds. When I looked
>into the code, it looks as though the v3 context is using a 
UsmDiscoveryBean
>to discover the v3 engineid and other parameters if that agent has never
>been contacted.



well in my case i was working with Westhawk Stack version 4_13, i have 
switched off 
the authentication and privacy flags in the context. also while 
initialising the context 
call TimeWindow.setSnmpEngineId(host, port, engineId), this will stop the 
discovery of engineId everytime before sending a packet



> The bean class uses the default timeout when sending the Pdu
>request for discovery. However, I had set a different retry_array on the
>original Pdu that is causing the discovery to be sent in the first place. 
It
>would make sense for the stack to use this retry array when sending the
>discovery Pdu as well. Or at a minimum provide a way to change the 
default
>retry array for v3 discovery. Perhaps there is another way to do this 
that
>won't take so long that I am missing.. suggestions welcome.
 
>Josh



why dont you add the same retry array before v3 Discovery, i.e in 
UsmDiscoveryBean.java 
when you are creating an instance of DiscoveryPdu, just call method 
pdu.setRetryInterval(retry_array)
and set the retries required there.
 


Regards

Gejo Joseph
Flextronics Software Systems
18/1, Outer Ring Road
Panathur Post, Bangalore

"I would love to change the world, but no one would give me the source 
code"


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