I have a device where SNMP has been working for months, out of the blue I began receiving issues in the events "SNMP Agent down - no response received" I am using SNMPv3 and I can do a walk against it without issues. If I try to model the device I get the following errors:
2013-12-09 09:45:00,129 ERROR zen.SnmpClient: device ucs01.domain.local plugin zenoss.snmp.NewDeviceMap unexpected error
Traceback (most recent call last):
File "/opt/zenoss/Products/DataCollector/SnmpClient.py", line 185, in collect
results.update(driver.next())
File "/opt/zenoss/Products/ZenUtils/Driver.py", line 63, in result
raise ex
Snmpv3Error: packet dropped (OID: .1.3.6.1.2.1.1.1.0)
Unhandled Error
Traceback (most recent call last):
File "/opt/zenoss/Products/DataCollector/zenmodeler.py", line 1169, in <module>
dc.run()
File "/opt/zenoss/Products/ZenHub/PBDaemon.py", line 705, in run
reactor.run()
File "/opt/zenoss/Products/DataCollector/zenmodeler.py", line 1051, in reactorLoop
reactor.runUntilCurrent()
--- <exception caught here> ---
File "/opt/zenoss/lib/python/twisted/internet/base.py", line 793, in runUntilCurrent
call.func(*call.args, **call.kw)
File "/opt/zenoss/lib/python/twisted/internet/defer.py", line 361, in callback
self._startRunCallbacks(result)
File "/opt/zenoss/lib/python/twisted/internet/defer.py", line 448, in _startRunCallbacks
raise AlreadyCalledError
twisted.internet.defer.AlreadyCalledError:
I am running Zenoss 4.2.4