SNMP Walk

snmpwalk.py

from pysnmp.hlapi import *

V2_COMMUNITY = 'meraki-rw'
MERAKI_DEVICE = '192.168.128.108'

iterator = nextCmd(
    SnmpEngine(),
    CommunityData(V2_COMMUNITY),
    UdpTransportTarget((MERAKI_DEVICE, 161)),
    ContextData(),
    ObjectType(ObjectIdentity('IF-MIB'))
)

for errorIndication, errorStatus, errorIndex, varBinds in iterator:

    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]))