Re: Size of traps
"Raghavendra Prasad" <[email protected]>
| Newsgroups | gmane.network.net-snmp.user |
|---|---|
| Message-ID | <[email protected]> |
>>Are you talking about storing the incoming traps, or the messages >>triggered by these traps? Is there a diff between trap and trap message? I am talking about incoming trap in terms of number of characters. As elucidated by you(as pasting below), >>The basic structure of an SNMPv1 trap is: >> version(0) - single integer >> community - string [1] >> enterprise - OID (<=128 subidentifiers) >> agent-address - IP Address (4 octets) >> generic-trap - single integer (0-6) >> specific-trap - single integer (0-2^31) >> timestamp - single integer (0-2^32) >> Varbinds [2] >>[1] in principle, the community string can be up to 65565 characters, >>though > 255 would probably break things elsewhere. >>Typically <= 32 characters or so. >>[2] The size of the varbind list is unpredictable - it depends on >> the trap(s) being received, and hence what varbinds they >> will contain. >>We can make some assumptions about the typical size of community >>string (<=32 chars) and enterprise OID (say 3 levels below the >>private enterpise #), and that most integers and OID subidentifiers >>are held as 32-bit values (except for version and generic trap fields >>where one byte is sufficient). >> That gives a basic trap size of 1+32+(10*4)+4+1+4+4=86 bytes >>Plus whatever you wish to allow for a typical varbind list.<<<<<<<<<<<<< we can only make some sensible assumptions to arrive at an approximate average trap size, based on which we can decide the size of trap log file for a particular number of traps dictated by hardware memory size. You reply was extremely helpful! thank you for that. Observing our traps sizes which range from 90 to 120 characters - we have taken 120 characters as average size for a trap and have decided to log upto 1000 traps. PS: My apologies for sending the private mail, it was an inadvertent mistake ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ Net-snmp-users mailing list [email protected] Please see the following page to unsubscribe or change other options: https://lists.sourceforge.net/lists/listinfo/net-snmp-users