>>> Ryan Goodfellow <rgood...@isi.edu> schrieb am 21.04.2017 um 20:43 in >>> Nachricht <cabnjgmihzm3g8bns3x_7befrfphkckdq7fktxx5ruyuw7ve...@mail.gmail.com>: > Hi, > > I have observed a puzzling inconsistency between the get and walk requests > from snmpd. I am running the daemon on a Cumulus Linux switch. The > following shell sessions shows the issue. > > ### SERVER (stem) ### > > ry@stem$ snmpd --version > NET-SNMP version: 5.7.3 > > ry@stem$ service snmpd restart > > ry@stem$ pgrep -lfa snmpd > 1298 /usr/sbin/snmpd -y -LF d /var/log/snmp -DALL -u snmp -g snmp -I -smux > -p /run/snmpd.pid -f > > > ### CLIENT ### > > ## initial request for ifNumber using GET returns 0 (wrong) > ry$ date && snmpget -c public -v2c stem .1.3.6.1.2.1.2.1.0 > Fri Apr 21 18:20:15 UTC 2017 > iso.3.6.1.2.1.2.1.0 = INTEGER: 0 > > ## initial request for ifNumber using WALK returns 11 (correct) > ry$ date && snmpwalk -c public -v2c stem .1.3.6.1.2.1.2.1.0 > Fri Apr 21 18:20:20 UTC 2017 > iso.3.6.1.2.1.2.1.0 = INTEGER: 11
What happens if you start with snmpwalk? It looks like if the first query after some pause returns the incorrect value, independent of the method. > > ## subsequent requests for ifNumber using GET returns 11 (correct) > ry$ date && snmpget -c public -v2c stem .1.3.6.1.2.1.2.1.0 > Fri Apr 21 18:20:24 UTC 2017 > iso.3.6.1.2.1.2.1.0 = INTEGER: 11 > > ## after some time passes GET is back to being incorrect > ry$ date && snmpget -c public -v2c stem .1.3.6.1.2.1.2.1.0 > Fri Apr 21 18:21:58 UTC 2017 > iso.3.6.1.2.1.2.1.0 = INTEGER: 0 > > In doing some tests, I have determined that the value goes back to 0 > exactly 1 minute after the walk was executed. > > > > -- > *ry**@isi* ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Net-snmp-users mailing list Net-snmp-users@lists.sourceforge.net Please see the following page to unsubscribe or change other options: https://lists.sourceforge.net/lists/listinfo/net-snmp-users
