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List:       net-snmp-bugs
Subject:    [ net-snmp-Bugs-2788443 ] Netsnmp not responding for
From:       "SourceForge.net" <noreply () sourceforge ! net>
Date:       2009-05-18 22:29:29
Message-ID: E1M6BKr-0003Ff-1e () 1bkjzd1 ! ch3 ! sourceforge ! com
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Bugs item #2788443, was opened at 2009-05-07 08:06
Message generated for change (Comment added) made by hardaker
You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=112694&aid=2788443&group_id=12694

Please note that this message will contain a full copy of the comment thread,
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Category: apps
Group: windows
> Status: Closed
> Resolution: Invalid
Priority: 5
Private: No
Submitted By: vijaykanth (pau5ssdi)
> Assigned to: Wes Hardaker (hardaker)
Summary: Netsnmp not responding for usmStatsNotInTimeWindow

Initial Comment:
We have a stub code which sends 6 requests using SNMPv3 to the target MFP(snmpv3 \
device).  1. After sending 3 requests, Restart the MFP(snmp device) and wait for MFP \
to reboot completely.  2. Then send the remaining 3 requests to MFP
    3. I Observe that remaining(last 3) SNMPv3 requests are failed .(I am getting \
timeout error ).   
when i see in ethereal(network analyser tool) my stack is not sending the encrypted \
pdu with correct engine time and engine boot .Thereby remote device sends \
"usmStatsNotInTimeWindow"  windows error.  
Please let me know how can I modify my code to receive the response properly even \
after the restart of MFP. 

Important Notes:
Please find attached ethereal logs(filter for snmp) and netsnmp stub code(My Sample \
Application) . My HostIP is 172.29.240.171 and MFP IP is 172.29.240.47
Before restarting the MFP :
I am able to send and reveive requests properly (# 85-90 in ethreal).
After restarting the MFP and it is booted sucessfully:
I am getting timout error for further requests (Id:13724-13765)
SNMPV3 Retry, I have given as 4.

Net-SNMP version:  
  NSIS Compiler:	Version 2.3
  OS:			Windows XP SP2
  Compiler:		MSVC++ 6.0 SP5
  Perl:			ActivePerl 5.8.7 build 815
  Source: 		net-snmp-5.4.1.tar.gz
  Project:		win32sdk.dsw / libdll.dsw
  Library:		netsnmp for applications, netsnmp.dll for Perl modules
  OpenSSL:		0.9.8d
OS: Windows XP


Please get back in case of queries

----------------------------------------------------------------------

> Comment By: Wes Hardaker (hardaker)
Date: 2009-05-18 15:29

Message:
Thanks for the logs.  They've shown me positively that the agent is
broken.  When it reboots it is restarting it's SNMPv3 boots and time
values at 1 again.  This is illegal and is the source of your problems.
You need to contact the device vendor and get them to fix the problem in
their software.  It's not Net-SNMP's fault.

(if you look through the logs you can see the point where the
engineboots is at 1 and some number (30 and then something larger) and
then suddenly it is back to 1 and 15, which means it's going back in
time.  That "1" should be "2" instead to fix the problem.  SNMPv3
requires persistent data storage on the device for the protocol to work
properly.

----------------------------------------------------------------------

You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=112694&aid=2788443&group_id=12694

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