hostname IF-MIB::ifDescr.1 = GigabitEthernet0/0/0<br/>
hostname IF-MIB::ifAlias.1 = --> InterfaceDesc<br/>
hostname IF-MIB::ifOperStatus.1 = 'up'<br/>
hostname IF-MIB::ifDescr.2 = GigabitEthernet0/0/1<br/>
hostname IF-MIB::ifAlias.2 = --> InterfaceDesc<br/>
hostname IF-MIB::ifOperStatus.2 = 'up'<br/>
hostname IF-MIB::ifDescr.3 = GigabitEthernet0/0/2<br/>
hostname IF-MIB::ifAlias.3 = --> InterfaceDesc<br/>
hostname IF-MIB::ifOperStatus.3 = 'up'<br/>

hostname        interface              interface desc       status
hostname        GigabitEthernet0/0/0   InterfaceDesc        up
hostname        GigabitEthernet0/0/1   InterfaceDesc        up
hostname        GigabitEthernet0/0/2   InterfaceDesc        up

for errorIndication, errorStatus, errorIndex, varBinds in snmp_iter:
            # Check for errors and print out results
            if errorIndication:
                print(errorIndication)
            elif errorStatus:
                print('%s at %s' % (errorStatus.prettyPrint(),
                                errorIndex and varBinds[int(errorIndex) - 1][0] or '?'))
            else:
                for varBind in varBinds:
                    print(hostip),
                    print(' = '.join([x.prettyPrint() for x in varBind]))