On Wed, 09 Mar 2005 12:25:01 -0500 Olsson, wrote:
OS> RS> I'm also unclear on whether or not using tcp would create/tear-down a 
OS> RS> connection for each trap, or establish the connection once.
OS> 
OS> Ok, I implemented a SNMP trap receiver (minimal version of snmptrapd)
OS> and found that the connection does indeed get made and torn down each time
OS> a trap is sent when using the forward directive in snmptrapd.conf.  Anyone
OS> know if there is a way to make the connection persist?  

Probably not as is, but it would be a reasonable feature to add.

OS> For now I'm using UDP over localhost which I guess should be suffice,
OS> but TCP would be better since I wouldn't want a trap to show up in the
OS> snmptrapd log, but not in my management application.  Any thoughts on the
OS> UDP approach over localhost?  

That should be fairly reliable. I think it would be a fairly extreme condition
where a trap would be lost. Mainly, you'd have to make sure your application
read the traps fast enough, so that the buffer doesn't get full. You would
definitely want to look into the new socket buffer size options to try and
maximize them, reducing the chances of packets being lost.

-- 
Robert Story; NET-SNMP Junkie
Support: <http://www.net-snmp.org/> <irc://irc.freenode.net/#net-snmp>
Archive: <http://sourceforge.net/mailarchive/forum.php?forum=net-snmp-coders>

You are lost in a twisty maze of little standards, all different. 


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