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"""
Walk whole MIB
++++++++++++++
Send a series of SNMP GETNEXT requests using the following options:
* with SNMPv3, user 'usr-md5-none', MD5 authentication, no privacy
* over IPv4/UDP
* to an Agent at demo.snmplabs.com:161
* for all OIDs in IF-MIB
Functionally similar to:
| $ snmpwalk -v3 -lauthNoPriv -u usr-md5-none -A authkey1 -X privkey1 \
| demo.snmplabs.com IF-MIB::
"""#
from pysnmp.hlapi.asyncore import *
def cbFun(snmpEngine, sendRequestHandle, errorIndication,
errorStatus, errorIndex, varBindTable, cbCtx):
if errorIndication:
print(errorIndication)
return
elif errorStatus:
print('%s at %s' % (
errorStatus.prettyPrint(),
errorIndex and varBindTable[-1][int(errorIndex)-1][0] or '?'
)
)
return
else:
for varBindRow in varBindTable:
for varBind in varBindRow:
print(' = '.join([ x.prettyPrint() for x in varBind ]))
return True # request lower layers to do GETNEXT and call us back
snmpEngine = SnmpEngine()
nextCmd(snmpEngine,
UsmUserData('usr-md5-none', 'authkey1'),
UdpTransportTarget(('demo.snmplabs.com', 161)),
ContextData(),
ObjectType(ObjectIdentity('SNMPv2-MIB', 'system')),
ObjectType(ObjectIdentity('IF-MIB', 'ifTable')),
cbFun=cbFun)
snmpEngine.transportDispatcher.runDispatcher()
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