All MIBs › CHARACTER-MIB › charPortLowerIfIndex
charPortLowerIfIndex
Module: CHARACTER-MIB
OID (symbolic): CHARACTER-MIB::charPortLowerIfIndex
OID (numeric): 1.3.6.1.2.1.19.2.1.21
Node type: OBJECT-TYPE
Type: InterfaceIndex
Access: read-only
Description: The ifIndex value of the lower level hardware supporting this character port, zero if none.
What is charPortLowerIfIndex?
Read-only reference giving the ifIndex of the lower-layer hardware interface underlying this character port, or zero if there is none.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.2.1.19.2.1.21 snmpwalk -v2c -c public <target> CHARACTER-MIB::charPortLowerIfIndex
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.2.1.19.2.1.21.1 snmpget -v2c -c public <target> CHARACTER-MIB::charPortLowerIfIndex.1
Start monitoring Terminal servers / async port concentrators (character-stream devices) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the CHARACTER-MIB::charPortLowerIfIndex OID value, configure state conditions and alerts, and monitor any Terminal servers / async port concentrators (character-stream devices) from a single console.
OID Breakdown
Upper-level ancestors (6 from the standard OID tree / other modules)
| Numeric OID | Name | Module |
|---|---|---|
| 1 | iso | LANART-AGENT |
| 1.3 | org | AirPair-MIB |
| 1.3.6 | dod | AirPair-MIB |
| 1.3.6.1 | internet | AirPair-MIB |
| 1.3.6.1.2 | mgmt | AXON-MIB |
| 1.3.6.1.2.1 | mib_2 | AXON-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.2.1.19 | char | CHARACTER-MIB |
| 1.3.6.1.2.1.19.2 | charPortTable | CHARACTER-MIB |
| 1.3.6.1.2.1.19.2.1 | charPortEntry | CHARACTER-MIB |
| 1.3.6.1.2.1.19.2.1.21 | charPortLowerIfIndex | CHARACTER-MIB |