All MIBs › DOCS-PNM-MIB › docsPnmCmDsOfdmSymFftLength
docsPnmCmDsOfdmSymFftLength
Module: DOCS-PNM-MIB
OID (symbolic): DOCS-PNM-MIB::docsPnmCmDsOfdmSymFftLength
OID (numeric): 1.3.6.1.4.1.4491.2.1.27.1.2.2.1.7
Node type: OBJECT-TYPE
Type: Unsigned32
Access: read-only
Description: This attribute is the FFT length in use by the CM for the channel; typically this value is 4096 or 8192 for the Downstream Channel.
What is docsPnmCmDsOfdmSymFftLength?
The FFT length (512, 1024, 2048, 4096, or 8192 points) the CM used for this downstream channel; typically 4096 or 8192 for the downstream. Needed alongside the sample rate to correctly decode the captured symbol data's frequency-domain structure.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.4491.2.1.27.1.2.2.1.7 snmpwalk -v2c -c public <target> DOCS-PNM-MIB::docsPnmCmDsOfdmSymFftLength
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.4491.2.1.27.1.2.2.1.7.1 snmpget -v2c -c public <target> DOCS-PNM-MIB::docsPnmCmDsOfdmSymFftLength.1
Start monitoring DOCSIS 3.1 cable modem/CMTS (Proactive Network Maintenance, vendor-neutral CableLabs standard) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the DOCS-PNM-MIB::docsPnmCmDsOfdmSymFftLength OID value, configure state conditions and alerts, and monitor any DOCSIS 3.1 cable modem/CMTS (Proactive Network Maintenance, vendor-neutral CableLabs standard) from a single console.
OID Breakdown
Upper-level ancestors (9 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 |
| 1.3.6.1.4 | private | AirPair-MIB |
| 1.3.6.1.4.1 | enterprises | AirPair-MIB |
| 1.3.6.1.4.1.4491 | cableLabs | CLAB-DEF-MIB |
| 1.3.6.1.4.1.4491.2 | clabProject | CLAB-DEF-MIB |
| 1.3.6.1.4.1.4491.2.1 | clabProjDocsis | CLAB-DEF-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.4491.2.1.27 | docsPnmMIB | DOCS-PNM-MIB |
| 1.3.6.1.4.1.4491.2.1.27.1 | docsPnmMibObjects | DOCS-PNM-MIB |
| 1.3.6.1.4.1.4491.2.1.27.1.2 | docsPnmCmObjects | DOCS-PNM-MIB |
| 1.3.6.1.4.1.4491.2.1.27.1.2.2 | docsPnmCmDsOfdmSymCapTable | DOCS-PNM-MIB |
| 1.3.6.1.4.1.4491.2.1.27.1.2.2.1 | docsPnmCmDsOfdmSymCapEntry | DOCS-PNM-MIB |
| 1.3.6.1.4.1.4491.2.1.27.1.2.2.1.7 | docsPnmCmDsOfdmSymFftLength | DOCS-PNM-MIB |