Re: net-snmp 5.2.1.2 on x86_64 64-bit Linux does not round Counter32 on IF MIB

Robert Story <[email protected]>
Newsgroups gmane.network.net-snmp.user
Organization Net-SNMP
Message-ID <20050817142322.712a7fa0@aud>
On Wed, 17 Aug 2005 08:25:08 +0200 Arno wrote:
AG> But the start value reported by snmpd is OK.
AG> 
AG> Only when it starts to add bytes to the counter does it somehow manage to
AG> exceed the 32 bit boundary. It's like it doesn't check if the added
AG> bytes to the counter needs to be wrapped in the Counter32 case.
AG> 
AG> So it's not the initial readout of the caounters. That's working fine.
AG> It's only after it has been running for a while and then hits the 32 bit
AG> limit when it doesn't wrap the 32 bit value to 0, but keeps counting.

Ok, that would seem to indicate a problem with the math. Can you apply this
patch and let me know if any asserts show up in your logs when you get the
counter overflow? I think you will, but want to be sure...

(I hope this is easy for you to reproduce.. it seems like it is.)

-- 
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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-users>

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


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