All MIBs › GANDALF-ENTERPRISE-MIB › gPortPygmys
gPortPygmys
Module: GANDALF-ENTERPRISE-MIB
OID (symbolic): GANDALF-ENTERPRISE-MIB::gPortPygmys
OID (numeric): 1.3.6.1.4.1.64.1.3.2.1.5
Node type: OBJECT-TYPE
Type: Counter
Access: read-only
Description: The sum of pygmy frame fragments counted by the port object. They occur when a frame fragment was received which was not in collision and was not recognized as a valid ethernet packet. They normally make up less than 5% of Rx frames on hub-to-hub or hub-to-backbone connections and < 1% of total Rx frames for hub-DTE connections. Significantly higher levels may indicate external noise hits on the cabling, i.e. UTP in a noisy environment.
What is gPortPygmys?
A running counter of 'pygmy' frame fragments received on this port, i.e. undersized fragments that weren't part of a collision and aren't valid Ethernet frames; normally under about 5% of received frames on hub-to-hub links and under 1% on hub-to-device links. An admin seeing this counter climb well above those baselines should suspect electrical noise on the cabling, especially on UTP runs in noisy environments.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.64.1.3.2.1.5 snmpwalk -v2c -c public <target> GANDALF-ENTERPRISE-MIB::gPortPygmys
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.64.1.3.2.1.5.1 snmpget -v2c -c public <target> GANDALF-ENTERPRISE-MIB::gPortPygmys.1
SNMPv3 example:
snmpget -v3 -l authPriv -u snmpv3-user -a SHA -A "AuthPassword1" -x AES -X "PrivPassword1" <target> gPortPygmys.1
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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 |
| 1.3.6.1.4 | private | AirPair-MIB |
| 1.3.6.1.4.1 | enterprises | AirPair-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.64 | gandalf | GANDALF-ENTERPRISE-MIB |
| 1.3.6.1.4.1.64.1 | gandalf_hub | GANDALF-ENTERPRISE-MIB |
| 1.3.6.1.4.1.64.1.3 | hmPerfMonCapability | GANDALF-ENTERPRISE-MIB |
| 1.3.6.1.4.1.64.1.3.2 | hmPerfMonPortTable | GANDALF-ENTERPRISE-MIB |
| 1.3.6.1.4.1.64.1.3.2.1 | hmPerfMonPortEntry | GANDALF-ENTERPRISE-MIB |
| 1.3.6.1.4.1.64.1.3.2.1.5 | gPortPygmys | GANDALF-ENTERPRISE-MIB |