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article Configuration and Performance Metrics for Network Devices

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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.

OID MIB Name Mandatory
1.3.6.1.2.1.1.5.0 RFC1213-MIB System Name Yes
1.3.6.1.2.1.1.1.0 RFC1213-MIB System Description Yes
1.3.6.1.2.1.1.4.0 RFC1213-MIB System Contact No
1.3.6.1.2.1.1.6.0 RFC1213-MIB System Location No
1.3.6.1.2.1.31.1.1 IF-MIB Interface Table Yes

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

OID MIB Name Notes
1.3.6.1.2.1.2.2.1.1 RFC1213-MIB Port Index
1.3.6.1.2.1.31.1.1.1.1 IF-MIB Port Name If unavailable, 1.3.6.1.2.1.2.2.1.1 (RFC1213-MIB) will be used instead
1.3.6.1.2.1.2.2.1.2 RFC1213-MIB Port Description
1.3.6.1.2.1.2.2.1.3 RFC1213-MIB Port Type
1.3.6.1.2.1.2.2.1.7 RFC1213-MIB Port Admin Status
1.3.6.1.2.1.2.2.1.8 RFC1213-MIB Port Operational Status
1.3.6.1.2.1.2.2.1.5 RFC1213-MIB Port Speed
1.3.6.1.2.1.2.2.1.6 RFC1213-MIB Port 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 are up and have a valid speed value available.

OID MIB Name Units Notes
1.3.6.1.2.1.31.1.1.1.6 IF-MIB In Rate Kbps If unavailable, 1.3.6.1.2.1.2.2.1.10 (RFC1213-MIB) will be used instead
In Usage Percent Calculated by dividing In Rate by interface speed.
1.3.6.1.2.1.31.1.1.1.10 IF-MIB Out Rate Kbps If unavailable, 1.3.6.1.2.1.2.2.1.16 (RFC1213-MIB) will be used instead
Out Usage Percent Calculated by dividing Out Rate by interface speed.
Usage Percent Calculated by adding In Usage and Out Usage together.
1.3.6.1.2.1.2.2.1.14 RFC1213-MIB In Errors #/sec
1.3.6.1.2.1.2.2.1.20 RFC1213-MIB Out Errors #/sec
Errors #/sec Calculated by adding In Errors and Out Errors together.
1.3.6.1.2.1.2.2.1.13 RFC1213-MIB In Discards #/sec
1.3.6.1.2.1.2.2.1.19 RFC1213-MIB Out Discards #/sec
Discards #/sec Calculated 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.

Article Info

Index: 586
Author: css_sysop
Created: 9-10-2012
Updated: 3-6-2014
Views: 4680
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