Fetch all the interfaces from a Cisco switch and return its config, specifically VLAN, name, description, and type (access or trunk)

list_port_config.py

from __future__ import print_function

from snimpy.manager import Manager as M
from snimpy.manager import load
from snimpy.snmp import SNMPNoSuchInstance

#import pymysql


# Load up SNMP MIBs
load("IF-MIB")
load("./mibs/CISCO-SMI.txt")
load("./mibs/CISCO-TC.txt")
load("./mibs/CISCO-VTP-MIB.txt")
load("./mibs/CISCO-VLAN-MEMBERSHIP-MIB.txt")
load("./mibs/CISCO-STACK-MIB.txt")
load("./mibs/CISCO-PRODUCTS-MIB.txt")

# Create our SNMP connection

manager = M(host="10.0.0.1", community="public", version=2)

try:
    for ifIndex in manager.ifDescr:
        # Only include ethernet interfaces
        if manager.ifType[ifIndex] == 6:
            ifAlias = manager.ifDescr[ifIndex]
            ifDescription = manager.ifAlias[ifIndex]

            # Check if we have a trunk or access port
            if manager.vlanTrunkPortDynamicState[ifIndex] == 1:
                ifType = 'trunk'
                # Set to native vlan to 0, since it's a trunk
                ifNativeVlan = 0
            else:
                ifType = 'access'
                # Since this is an access port, we'll also get the native VLAN
                ifNativeVlan = manager.vmVlan[ifIndex]

            ifStatus = manager.ifAdminStatus[ifIndex]
            ifLastStateChange = manager.ifLastChange[ifIndex]
            values = (str(ifAlias), ifType, int(ifNativeVlan), int(ifIndex), 1, str(ifDescription), int(ifStatus))
            
            print(values)
except SNMPNoSuchInstance:
    pass
finally:
    print('done')