NORTEL-NETWORKS-MULTIPLE-SPANNING-TREE-MIB :: nnMstCistMaxAge

MIB Reference — IPNetwork Monitor · Updated October 06, 2026

All MIBs › NORTEL-NETWORKS-MULTIPLE-SPANNING-TREE-MIB › nnMstCistMaxAge

nnMstCistMaxAge

Module: NORTEL-NETWORKS-MULTIPLE-SPANNING-TREE-MIB

OID (symbolic): NORTEL-NETWORKS-MULTIPLE-SPANNING-TREE-MIB::nnMstCistMaxAge

OID (numeric): 1.3.6.1.4.1.45.5.5.1.1.13

Node type: OBJECT-TYPE

Type: Timeout

Access: read-only

Description: The maximum age of Spanning Tree Protocol information learned from the network on any port before it is discarded, in units of hundredths of a second. This is the actual value that this bridge is currently using.

What is nnMstCistMaxAge?

Reports the maximum age, in hundredths of a second, that spanning-tree information learned from the network is kept on any port before being discarded, as currently in effect on this bridge for the CIST.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.45.5.5.1.1.13
snmpwalk -v2c -c public <target> NORTEL-NETWORKS-MULTIPLE-SPANNING-TREE-MIB::nnMstCistMaxAge

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.45.5.5.1.1.13.1
snmpget -v2c -c public <target> NORTEL-NETWORKS-MULTIPLE-SPANNING-TREE-MIB::nnMstCistMaxAge.1

Start monitoring Nortel Networks Layer 2 switch (Multiple Spanning Tree) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the NORTEL-NETWORKS-MULTIPLE-SPANNING-TREE-MIB::nnMstCistMaxAge OID value, configure state conditions and alerts, and monitor any Nortel Networks Layer 2 switch (Multiple Spanning Tree) from a single console.

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
1.3.6.1.4.1.45synopticsCMU-MIB
1.3.6.1.4.1.45.5bayStackMibsSYNOPTICS-ROOT-MIB
Numeric OIDNameModule
1.3.6.1.4.1.45.5.5nnMultipleSpanningTreeMibNORTEL-NETWORKS-MULTIPLE-SPANNING-TREE-MIB
1.3.6.1.4.1.45.5.5.1nnMstObjectsNORTEL-NETWORKS-MULTIPLE-SPANNING-TREE-MIB
1.3.6.1.4.1.45.5.5.1.1nnMstScalarsNORTEL-NETWORKS-MULTIPLE-SPANNING-TREE-MIB
1.3.6.1.4.1.45.5.5.1.1.13nnMstCistMaxAgeNORTEL-NETWORKS-MULTIPLE-SPANNING-TREE-MIB