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"""
Custom PySNMP MIBs location
+++++++++++++++++++++++++++
Send a series of SNMP GETBULK requests using the following options:
* with SNMPv3, user 'usr-none-none', no authentication, no privacy
* over IPv4/UDP
* to an Agent at demo.snmplabs.com:161
* for all OIDs within TCP-MIB::tcpConnTable column
* TCP-MIB Python module will be searched by a user-specified filesystem
path (/opt/mib/pysnmp) and in Python package (python_packaged_mibs)
which should be in sys.path
Functionally similar to:
| $ snmpbulkwalk -v3 -lnoAuthNoPriv -u usr-none-none -Cn0 -Cr50 demo.snmplabs.com TCP-MIB::tcpConnTable
"""#
from pysnmp.hlapi import *
for (errorIndication,
errorStatus,
errorIndex,
varBinds) in bulkCmd(SnmpEngine(),
UsmUserData('usr-none-none'),
UdpTransportTarget(('demo.snmplabs.com', 161)),
ContextData(),
0, 50,
ObjectType(
ObjectIdentity('TCP-MIB', 'tcpConnTable').addMibSource('/opt/mibs/pysnmp').addMibSource('python_packaged_mibs')
),
lexicographicMode=False):
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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