Technical Tip: FortiGate SNMP Resource List

[pjang]

Description

This article contains a list of resources related to Simple Network Management Protocol (SNMP) on the FortiGate. This includes:

• Guides for troubleshooting SNMP communication issues.
• Articles describing the various SNMP Object Identifiers (OIDs) and their associated use-cases.

Scope

FortiGate, SNMP

Solution

Troubleshooting and Configuring SNMP

Title and Links	Description
Technical Tip: Download FortiOS and FortiCore MIB files	KB article describing how to access/download Fortinet's SNMP MIB files (FORTINET-CORE-MIB and FORTINET-FORTIGATE-MIB).
Troubleshooting Tip: How to use snmpd debug to troubleshoot SNMP Troubleshooting Tip: Troubleshooting SNMP query failure from the SNMP manager to the firewall Troubleshooting Tip: General troubleshooting guide for SNMP issues Technical Tip: SNMP access to FortiGate Technical Tip: FortiGate is not responding to SNMP queries Technical Tip: SNMP polling/snmpwalk not working: Important points need to be considered when confi... Technical Tip: SNMP failed to specific host when host set to trap only Technical Tip: SNMP Server unable to pull information from the FortiGate over IPSec tunnel Technical Tip: How to verify FortiGate is sending SNMP traffic	Basic steps for troubleshooting failures for SNMP queries sent from the manager to the FortiGate.
FortiGate Admin Guide - SNMP : Technical Tip: How to Configure FortiGate SNMP Agent for Monitoring Technical Note: How to configure FortiGate SNMP Agent for monitoring (Legacy version)	Documentation describing how to configure the FortiGate for SNMP.
Technical Tip: SNMP process is not listening Troubleshooting Tip: SNMP is not established after completing the initial configuration	KB articles describe a potential cause for why SNMP traps are not being sent out from the FortiGate.
Technical Tip: SNMP v3 connecting to PRTG and adding a custom sensor on PRTG SNMP tool using a Fort... Technical Note: SNMP Charting with PRTG	KB articles for connecting the FortiGate to PRTG using SNMPv3, as well as setting up a custom sensor on PRTG to support the FortiGate OIDs.
Technical Tip: SNMP and HA clusters	Legacy article discussing SNMP and FortiGaet HA clusters on FortiOS 6.0 and earlier.
Technical Tip: Integration between FortiOS and WhatsUp Gold using SNMPv3 with authentication and en...	KB article describes a process for integrating the FortiGate with WhatsUp Gold using SNMPv3.
Technical Tip: How to do SNMP query on FortiGate-6000 and 7000 Series Technical Tip: How to configure SNMP v3 on HA cluster of FortiGate 6000 or 7000 series to monitor i...	KB articles describing the process of querying FortiGate-6000 and 7000 series chassis units via SNMP (e.g. querying the mainboard vs. the chassis slot members)
Technical Tip: Configuring SNMP when VDOM is enabled	KB article describing how to configure SNMP on the FortiGate when VDOMs are enabled (i.e. limiting SNMP to only return info for specific VDOMs, ensuring SNMP network reachability, and troubleshooting suggestions)
Technical Tip: Certain FortiGate configurations may generate both a log and a SNMP trap for the sam...	KB article comparing the output of a log entry vs. an SNMP trap and discussing the pros and cons of each method for notifications.
Technical Tip: Issues with SNMP after firmware upgrade to FortiOS 7.2.5 or 7.4.0	KB article describing a change in SNMP behavior as of v7.2.5/v7.4.0 and later (trusted-hosts are now enforced on SNMP queries).
FortiGate SNMP with HA : Technical Tip: Configuring SNMP communities for HA mgmt and Root vdom loopback Troubleshooting Tip: SNMP walk getting failed when using firewall in HA Technical Tip: SNMP communication working scenario with respect to FortiGate device in HA and ha-dir... Technical Tip: Sending messages (logs, SNMP) directly from the HA management interface	KB articles describing how to configure/troubleshoot SNMP for usage with ha-direct (i.e. using High-Availability dedicated management interfaces to send/receive SNMP Traffic).
Troubleshooting Tip: How to troubleshoot SNMP traps not getting generated from the firewall	KB article describing how to troubleshoot SNMP trap generation on the FortiGate.
Technical Tip: Configuring SNMP polling for FortiGate HA Cluster instances in Microsoft Azure	KB article for configuring SNMP polling on FortiGate-VM HA clusters hosted in Microsoft Azure.
Technical Tip: non-management VDOMs queries using SNMP v3	KB article for configuring FortiGates to receive/respond to SNMP v3 queries using non-management VDOMs.
Technical Tip: FortiOS SNMP and RMON indexes and their relations	KB article describing the relationship between SNMP index values and RMON index values on the FortiGate.
Technical Tip: How to solve SNMP 'Error OID not increasing'	KB article describing a potential cause for the SNMPwalk 'Error OID not increasing' error.
Technical Tip: Adding Secondary SNMP server on FortiGate HA when VDOM is enabled	KB article describing the process of configuring additional SNMP servers on FortiGate HA clusters that also have VDOMs enabled.

SNMP OID Guides

Title and Links	Description
FortiGate MIB Information Overview	Documentation containing all MIBs and OIDs on the FortiGate.
Technical Tip: SNMP OIDs for monitoring the number of sessions on the FortiGate (Global and Per-VDOM...	SNMP OIDs for monitoring the number of active sessions on the FortiGate, both globally and per-VDOM.
Technical Tip: SNMP OID fgHwSensorEntValue behavior change for power supply Technical Tip: SNMP OIDs to poll power supply, fan and temperature values Technical Tip: Monitor secondary unit power supply in HA configuration	SNMP OIDs for monitoring onboard power supply states (i.e. detected/lost) as well as fan and onboard temperature values.
Technical Tip: SNMP OID for FortiClient EMS connection status	SNMP OID for measuring FortiClient EMS connection state.
Technical Tip: Monitoring CPU and memory performance for individual VDOMs through SNMP	SNMP OID for measuring CPU and memory usage for individual VDOMs on the FortiGate.
Technical Tip: How to monitor CPU usage for each core with SNMP OIDs	SNMP OID for measuring average and current per-core CPU usage on the FortiGate.
Technical Tip: SNMP OIDs for monitoring IPsec tunnel status on the FortiGate	SNMP OIDs for measuring IPsec tunnel status (both dialup and site-to-site tunnels).
Technical Tip: How to interpret the SNMP queries on disk usage and disk capacity	SNMP OIDs for measuring disk capacity and usage on the FortiGate, as well as explanations for how the returned output should be interpreted.
Technical Tip: How to monitor static routes via SNMP	SNMP OID for measuring static routes on the FortiGate via SNMP.