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 |
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Title and Links |
Description |
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KB article describing how to access/download Fortinet's SNMP MIB files (FORTINET-CORE-MIB and FORTINET-FORTIGATE-MIB). |
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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 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. |
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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. |
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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. |
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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. |
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Legacy article discussing SNMP and FortiGaet HA clusters on FortiOS 6.0 and earlier. |
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KB article describes a process for integrating the FortiGate with WhatsUp Gold using SNMPv3. |
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Technical Tip: How to do SNMP query on FortiGate-6000 and 7000 Series |
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) |
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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) |
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KB article comparing the output of a log entry vs. an SNMP trap and discussing the pros and cons of each method for notifications. |
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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). |
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Technical Tip: Configuring SNMP communities for HA mgmt and Root vdom loopback Troubleshooting Tip: SNMP walk getting failed when using firewall in HA |
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). |
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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. |
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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. |
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KB article for configuring FortiGates to receive/respond to SNMP v3 queries using non-management VDOMs. |
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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. |
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KB article describing a potential cause for the SNMPwalk 'Error OID not increasing' error. |
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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 |
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Title and Links |
Description |
| Documentation containing all MIBs and OIDs on the FortiGate. | |
| SNMP OIDs for monitoring the number of active sessions on the FortiGate, both globally and per-VDOM. | |
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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. |
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Technical Tip: SNMP OID for FortiClient EMS connection status |
SNMP OID for measuring FortiClient EMS connection state. |
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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. |
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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. |
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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). |
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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. |
| SNMP OID for measuring static routes on the FortiGate via SNMP. |
