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#
# Command Generator
#
# Send SNMP GETBULK request 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 past TCP-MIB::tcpConnTable
# * TCP-MIB will be searched by a user-specified path
# * run till end-of-mib condition is reported by Agent OR maxRows == 100 OR
# maxCalls == 10 request-response interactions occur
# * ignoring non-increasing OIDs whenever reported by Agent
#
from pysnmp.entity.rfc3413.oneliner.cmdgen 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('/tmp/mibs')),
maxRows=100, maxCalls=10,
lexicographicMode=True,
ignoreNonIncreasingOid=True):
# Check for errors and print out results
if errorIndication:
print(errorIndication)
break
else:
if 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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