You have to enable snmp on cisco devices and add users that are allowed to use it.
Information on how to do this and troubleshooting commands can be found on the cisco website here
Edit: another site where you can find usefull config examples is here
You have to enable snmp on cisco devices and add users that are allowed to use it. Information on how to do this and troubleshooting commands can be found on the cisco website here
Edit: another site where you can find usefull config examples is here