Juniper-ISIS-MIB :: juniIsisSysOrigLSPBuffSize

MIB Reference — IPNetwork Monitor · Updated October 06, 2026

All MIBs › Juniper-ISIS-MIB › juniIsisSysOrigLSPBuffSize

juniIsisSysOrigLSPBuffSize

Module: Juniper-ISIS-MIB

OID (symbolic): Juniper-ISIS-MIB::juniIsisSysOrigLSPBuffSize

OID (numeric): 1.3.6.1.4.1.4874.2.2.38.1.1.1.1.7

Node type: OBJECT-TYPE

Type: LSPBuffSize

Access: read-write

Description: The maximum size of LSPs and SNPs originated by this instance. This object follows the replaceOnlyWhileDisabled behaviour.

What is juniIsisSysOrigLSPBuffSize?

Read-write value (default 1497) giving the maximum size in bytes of LSPs and Sequence Number PDUs this instance will originate, changeable only while the instance is disabled. Admins tune this to match the smallest MTU in the IS-IS domain so LSPs aren't fragmented or dropped.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.4874.2.2.38.1.1.1.1.7
snmpwalk -v2c -c public <target> Juniper-ISIS-MIB::juniIsisSysOrigLSPBuffSize

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.4874.2.2.38.1.1.1.1.7.1
snmpget -v2c -c public <target> Juniper-ISIS-MIB::juniIsisSysOrigLSPBuffSize.1

Set instance 1 (SNMPv2c):

snmpset -v2c -c private <target> 1.3.6.1.4.1.4874.2.2.38.1.1.1.1.7.1 s <value>

Start monitoring Juniper E-series router (IS-IS routing protocol) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the Juniper-ISIS-MIB::juniIsisSysOrigLSPBuffSize OID value, configure state conditions and alerts, and monitor any Juniper E-series router (IS-IS routing protocol) 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
1.3.6.1.4.1.4874juniperUniJuniper-UNI-SMI
1.3.6.1.4.1.4874.2juniperUniMibsJuniper-UNI-SMI
1.3.6.1.4.1.4874.2.2juniMibsJuniper-MIBs
Numeric OIDNameModule
1.3.6.1.4.1.4874.2.2.38juniIsisMIBJuniper-ISIS-MIB
1.3.6.1.4.1.4874.2.2.38.1juniIsisObjectsJuniper-ISIS-MIB
1.3.6.1.4.1.4874.2.2.38.1.1juniIsisSystemGroupJuniper-ISIS-MIB
1.3.6.1.4.1.4874.2.2.38.1.1.1juniIsisSysTableJuniper-ISIS-MIB
1.3.6.1.4.1.4874.2.2.38.1.1.1.1juniIsisSysEntryJuniper-ISIS-MIB
1.3.6.1.4.1.4874.2.2.38.1.1.1.1.7juniIsisSysOrigLSPBuffSizeJuniper-ISIS-MIB