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"""
Walk MIB, limit number of response rows
+++++++++++++++++++++++++++++++++++++++
Send a series of SNMP GETBULK requests using the following options:
* with SNMPv2c, community 'public'
* over IPv4/UDP
* to an Agent at demo.snmplabs.com:161
* with values non-repeaters = 0, max-repetitions = 25
* for two OIDs in string form
* stop when response OIDs leave the scopes of initial OIDs OR
number of response rows reach fixed value (20)
Functionally similar to:
| $ snmpbulkwalk -v2c -c public demo.snmplabs.com \
| -Cn0 -Cr25 \
| 1.3.6.1.2.1.2.2 1.3.6.1.2.1.2.3
"""#
from pysnmp.entity.rfc3413.oneliner.cmdgen import *
for errorIndication, \
errorStatus, errorIndex, \
varBinds in bulkCmd(SnmpEngine(),
CommunityData('public'),
UdpTransportTarget(('demo.snmplabs.com', 161)),
ContextData(),
0, 25,
ObjectType(ObjectIdentity('1.3.6.1.2.1.2.2')),
ObjectType(ObjectIdentity('1.3.6.1.2.1.2.3')),
lexicographicMode=False, maxRows=20):
if errorIndication:
print(errorIndication)
break
elif errorStatus:
print('%s at %s' % (
errorStatus.prettyPrint(),
errorIndex and varBinds[int(errorIndex)-1][0] or '?'
)
)
break
else:
for varBind in varBinds:
print(' = '.join([ x.prettyPrint() for x in varBind ]))
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