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Below is the list of the OIDs used to collect configuration data and performance metrics related to Network Device elements in up.time.

Configuration OIDs

These configuration information OIDs are collected when the Network Device is added to up.time and updated regularly by the Configuration Update Gatherer which rescans every 24 hours.

OIDMIBNameMandatory
1.3.6.1.2.1.1.5.0RFC1213-MIBSystem NameYes
1.3.6.1.2.1.1.1.0RFC1213-MIBSystem DescriptionYes
1.3.6.1.2.1.1.4.0RFC1213-MIBSystem ContactNo
1.3.6.1.2.1.1.6.0RFC1213-MIBSystem LocationNo
1.3.6.1.2.1.31.1.1IF-MIBInterface TableYes

 

If the Network Device being added is a switch or router, the following additional OIDs will be gathered as well.

OIDMIBNameNotes
1.3.6.1.2.1.2.2.1.1RFC1213-MIBPort Index 
1.3.6.1.2.1.31.1.1.1.1IF-MIBPort NameIf unavailable, 1.3.6.1.2.1.2.2.1.1 (RFC1213-MIB) will be used instead
1.3.6.1.2.1.2.2.1.2RFC1213-MIBPort Description 
1.3.6.1.2.1.2.2.1.3RFC1213-MIBPort Type 
1.3.6.1.2.1.2.2.1.7RFC1213-MIBPort Admin Status 
1.3.6.1.2.1.2.2.1.8RFC1213-MIBPort Operational Status 
1.3.6.1.2.1.2.2.1.5RFC1213-MIBPort Speed 
1.3.6.1.2.1.2.2.1.6RFC1213-MIBPort MAC 

Performance Metric OIDs

Performance metrics are only collected for Network Devices that are switches or routers added in up.time. Metrics will be gathered for ports that have "Port Admin Status" as up and have a valid speed value available.

OIDMIBNameUnitsNotes
1.3.6.1.2.1.31.1.1.1.6IF-MIBIn RateKbpsIf unavailable, 1.3.6.1.2.1.2.2.1.10 (RFC1213-MIB) will be used instead
  In UsagePercentCalculated by dividing In Rate by interface speed.
1.3.6.1.2.1.31.1.1.1.10IF-MIBOut RateKbpsIf unavailable, 1.3.6.1.2.1.2.2.1.16 (RFC1213-MIB) will be used instead
  Out UsagePercentCalculated by dividing Out Rate by interface speed.
  UsagePercentCalculated by adding In Usage and Out Usage together.
1.3.6.1.2.1.2.2.1.14RFC1213-MIBIn Errors#/sec 
1.3.6.1.2.1.2.2.1.20RFC1213-MIBOut Errors#/sec 
  Errors#/secCalculated by adding In Errors and Out Errors together.
1.3.6.1.2.1.2.2.1.13RFC1213-MIBIn Discards#/sec 
1.3.6.1.2.1.2.2.1.19RFC1213-MIBOut Discards#/sec 
  Discards#/secCalculated by adding In Discards and Out Discards together.

Troubleshooting with snmpwalk

Although most SNMP enabled network devices provide the OID's listed above, not all do. If there are issues adding a network device to up.time, it is helpful to use snmpwalk to review the OIDs available on the device. The article "Troubleshooting Network Device Issues with snmpwalk" explains how to do this.

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