BGP4V2-MIB :: bgp4V2NlriPathAttrUnknown

MIB Reference — IPNetwork Monitor · Updated October 02, 2026

All MIBs › BGP4V2-MIB › bgp4V2NlriPathAttrUnknown

bgp4V2NlriPathAttrUnknown

Module: BGP4V2-MIB

OID (symbolic): BGP4V2-MIB::bgp4V2NlriPathAttrUnknown

OID (numeric): 1.3.6.1.4.1.1991.3.5.1.1.9.1.25

Node type: OBJECT-TYPE

Type: OCTET STRING

Access: read-only

Description: Path Attributes not understood by this implementation SHOULD be be presented in this object. Those Path Attributes use the type, length, value encoding documented in RFC 4271, Section 4.3, 'Path Attributes'.

Note that since an SNMP agent may truncate this object to less than its maximum theoretical length of 4072 octets users of this object should be prepared to deal with a truncated and thus malformed Path Attribute.

What is bgp4V2NlriPathAttrUnknown?

This contains unknown path attributes (0-4072 octets) received in the UPDATE and not directly understood by this implementation. They use the type-length-value encoding from RFC 4271. Example: a vendor extension attribute is preserved and forwarded to peers, even if not decoded locally.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.1991.3.5.1.1.9.1.25
snmpwalk -v2c -c public <target> BGP4V2-MIB::bgp4V2NlriPathAttrUnknown

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.1991.3.5.1.1.9.1.25.1
snmpget -v2c -c public <target> BGP4V2-MIB::bgp4V2NlriPathAttrUnknown.1

Start monitoring BGP-speaking routers with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the BGP4V2-MIB::bgp4V2NlriPathAttrUnknown OID value, configure state conditions and alerts, and monitor any BGP-speaking routers from a single console.

OID Breakdown

Upper-level ancestors (9 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
1.3.6.1.4.1.1991foundryFOUNDRY-SN-ROOT-MIB
1.3.6.1.4.1.1991.3experimentalFOUNDRY-SN-ROOT-MIB
1.3.6.1.4.1.1991.3.5bgp4V2RootFOUNDRY-SN-ROOT-MIB
Numeric OIDNameModule
1.3.6.1.4.1.1991.3.5.1bgp4V2BGP4V2-MIB
1.3.6.1.4.1.1991.3.5.1.1bgp4V2ObjectsBGP4V2-MIB
1.3.6.1.4.1.1991.3.5.1.1.9bgp4V2NlriTableBGP4V2-MIB
1.3.6.1.4.1.1991.3.5.1.1.9.1bgp4V2NlriEntryBGP4V2-MIB
1.3.6.1.4.1.1991.3.5.1.1.9.1.25bgp4V2NlriPathAttrUnknownBGP4V2-MIB