SNMP Frequently Asked Questions (FAQ)
Introduction to SNMP
- SNMP – Simple Network Management Protocol When using SNMP, typically one or more managers to monitor a group of manged devices. SNMP network consists of 3 components: Managed Device Agent – software that runs on the managed devices, contains information of the managed device and translates it to…Read More
What is MIB?
- MIB stands for Management Information Base. it is a collection of data in a tree hierarchy.
What is an OID?
- Object-ID. It is a unique reference key assigned to every object in a MIB tree.
How do I create MIB files?
- MIB files are created by writing a text document in the SMIV2 format and compiling it with an MIB compiler.
What is an SNMP agent?
- An agent responds to requests from the managers. It provides information about a network node.
What is an SNMP manager?
- An SNMP manager manages SNMP agents. It sends requests, receives responses, and listens for traps.
Which port does SNMP use?
- Requests are sent by a manager to UDP port 161. Manager receives notifications on UDP port 162. Requests can originate from any available port.
What is an SNMP trap?
- A trap is information sent from an agent to the manager. Unlike responses a trap can be issued at any time instead of only after a request.
What is an SNMP inform?
- An SNMP inform is like a trap however the manager must send an acknowledgement back to the client that sent it.