All MIBs › DXA550-MIB › cIcmpInDestUnFragNeeded
cIcmpInDestUnFragNeeded
Module: DXA550-MIB
OID (symbolic): DXA550-MIB::cIcmpInDestUnFragNeeded
OID (numeric): 1.3.6.1.4.1.187.3.5.11
Node type: OBJECT-TYPE
Type: Counter
Access: read-only
Description: Number of ICMP Fragmentation Needed and DF Set Destination Unreachable messages received.
What is cIcmpInDestUnFragNeeded?
Counts ICMP Destination Unreachable messages received with the Fragmentation-Needed-and-DF-Set code, i.e. Path MTU Discovery signals. Growth here is a strong hint of a Path MTU black hole affecting a given path.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.187.3.5.11 snmpwalk -v2c -c public <target> DXA550-MIB::cIcmpInDestUnFragNeeded
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.187.3.5.11.1 snmpget -v2c -c public <target> DXA550-MIB::cIcmpInDestUnFragNeeded.1
Start monitoring DXA550 network access device (Datability Technologies enterprise OID) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the DXA550-MIB::cIcmpInDestUnFragNeeded OID value, configure state conditions and alerts, and monitor any DXA550 network access device (Datability Technologies enterprise OID) 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 |
| 1.3.6.1.4 | private | AirPair-MIB |
| 1.3.6.1.4.1 | enterprises | AirPair-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.187 | datability | DXA550-MIB |
| 1.3.6.1.4.1.187.3 | cStdExtensions | DXA550-MIB |
| 1.3.6.1.4.1.187.3.5 | cIcmp | DXA550-MIB |
| 1.3.6.1.4.1.187.3.5.11 | cIcmpInDestUnFragNeeded | DXA550-MIB |