The following tables, groups, and variables are supported in this MIB.
| Table/Group | Supported Variables | Comments |
|---|---|---|
| IfNumber | ||
| ifTable | ifIndex | The ifIndex for ports is calculated as ((slot * 1000) + port). For VLANs, the ifIndex starts from 1000001. |
| ifDescr | ||
| ifType | Only the following values are supported:{other, ethernetCsmacd, softwareLoopback, propVirtual} | |
| ifMtu | ||
| ifSpeed | ||
| ifPhysAddress | ||
| ifAdminStatus | The testing state is not supported. | |
| ifOperStatus | ||
| ifLastChange | ||
| ifInOctets | Updated every time queries this counter. | |
| ifInUcastPkts | Updated every time SNMP queries this counter. | |
| IfInNUcastPkts(deprecated) | Though deprecated, this object returns a value if the system keeps a count. Updated every time SNMP queries this counter. | |
| ifInDiscards | No count is kept of this object, so it always returns 0. | |
| ifInErrors | Updated every time SNMP queries this counter. | |
| ifInUnknownProtos | No count is kept of this object, so it always returns 0. | |
| ifOutOctets | Updated every time SNMP queries this counter. | |
| ifOutUcastPkts | Updated every time SNMP queries this counter. | |
| IfOutNUcastPkts(deprecated) | Though deprecated, this object returns a value if the system keeps a count. Updated every time SNMP queries this counter. | |
| ifOutDiscards | No count is kept of this object, so it always returns 0. | |
| ifOutErrors | Updated every time SNMP queries this counter. | |
| IfOutQLen(deprecated) | Though deprecated, this object will returns a value if the system keeps a count. Updated every time SNMP queries this counter. | |
| IfSpecific | Not implemented. Always returns iso.org.dod.internet. | |
| ifXTable | All objects |
Only port interfaces return non-zero values for the counter objects in this table. The object ifPromiscuousMode is supported as read-only. ifCounterDiscontinuityTime is not implemented. All the statistics counters in the ifXTable are updated every time SNMP queries them. |
| ifStackTable | Not supported | |
| IfTestTable | Not supported | |
| ifRcvAddressTable | All objects | ifRcvAddressTable is supported as read-only. Also, only entries for physical ports appear in it. |
| snmpTraps | linkDown | |
| linkUp |