CODIMA-EXPRESS-MIB :: ipliProtocolUnreachable

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsCODIMA-EXPRESS-MIBipliProtocolUnreachable

ipliProtocolUnreachable

Module: CODIMA-EXPRESS-MIB

OID (symbolic): CODIMA-EXPRESS-MIB::ipliProtocolUnreachable

OID (numeric): 1.3.6.1.4.1.226.3.2.1.1.6.1.3.1.14

Node type: OBJECT-TYPE

Type: Counter32

Access: read-only

Description: Number of Protocol Unreachable Report Frames. A value of 4294967294 indicates unknown.

What is ipliProtocolUnreachable?

ProtocolUnreachable is a read-only Counter32 counting the number of Protocol Unreachable report frames recorded for this IP-to-IP conversation; a value of 4294967294 means the count is unknown rather than a genuine zero. This counter matters to an admin because it isolates a destination reporting that it does not support the IP protocol number a packet was sent with, letting them see that specific condition trending up without having to sift through every ICMP message the host or pair exchanged. If ProtocolUnreachable for the pair 10.4.12.30 and 198.51.100.7 starts climbing while other ICMP counters in the same row stay flat, that isolated rise points specifically at a destination reporting that it does not support the IP protocol number a packet was sent with rather than a general ICMP flood.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.226.3.2.1.1.6.1.3.1.14
snmpwalk -v2c -c public <target> CODIMA-EXPRESS-MIB::ipliProtocolUnreachable

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.226.3.2.1.1.6.1.3.1.14.1
snmpget -v2c -c public <target> CODIMA-EXPRESS-MIB::ipliProtocolUnreachable.1

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OID Breakdown

Upper-level ancestors (8 from the standard OID tree / other modules)
Numeric OIDNameModule
1isoLANART-AGENT
1.3orgAirPair-MIB
1.3.6dodAirPair-MIB
1.3.6.1internetAirPair-MIB
1.3.6.1.4privateAirPair-MIB
1.3.6.1.4.1enterprisesAirPair-MIB
1.3.6.1.4.1.226codimaCODIMA-GLOBAL-REG
1.3.6.1.4.1.226.3codimaProductsCODIMA-GLOBAL-REG
Numeric OIDNameModule
1.3.6.1.4.1.226.3.2codimaExpressMIBCODIMA-EXPRESS-MIB
1.3.6.1.4.1.226.3.2.1codimaExpressObjectsCODIMA-EXPRESS-MIB
1.3.6.1.4.1.226.3.2.1.1expHistoryDatabasesCODIMA-EXPRESS-MIB
1.3.6.1.4.1.226.3.2.1.1.6dbIPv4PeerCODIMA-EXPRESS-MIB
1.3.6.1.4.1.226.3.2.1.1.6.1ipPeerLongTermCODIMA-EXPRESS-MIB
1.3.6.1.4.1.226.3.2.1.1.6.1.3iplIcmpTableCODIMA-EXPRESS-MIB
1.3.6.1.4.1.226.3.2.1.1.6.1.3.1iplIcmpEntryCODIMA-EXPRESS-MIB
1.3.6.1.4.1.226.3.2.1.1.6.1.3.1.14ipliProtocolUnreachableCODIMA-EXPRESS-MIB