All MIBs › NORTEL-NETWORKS-MULTIPLE-SPANNING-TREE-MIB › nnMstCistRoot
nnMstCistRoot
Module: NORTEL-NETWORKS-MULTIPLE-SPANNING-TREE-MIB
OID (symbolic): NORTEL-NETWORKS-MULTIPLE-SPANNING-TREE-MIB::nnMstCistRoot
OID (numeric): 1.3.6.1.4.1.45.5.5.1.1.4
Node type: OBJECT-TYPE
Type: BridgeId
Access: read-only
Description: The bridge identifier of the Root of the common spanning tree as determined by the Spanning Tree Protocol as executed by this node. This value is used as the CIST Root Identifier parameter in all Configuration Bridge PDUs originated by this node.
What is nnMstCistRoot?
Reports the Bridge Identifier of the root of the Common and Internal Spanning Tree (CIST) as this node currently sees it, the value it advertises as the CIST Root in its own Configuration BPDUs.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.45.5.5.1.1.4 snmpwalk -v2c -c public <target> NORTEL-NETWORKS-MULTIPLE-SPANNING-TREE-MIB::nnMstCistRoot
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.45.5.5.1.1.4.1 snmpget -v2c -c public <target> NORTEL-NETWORKS-MULTIPLE-SPANNING-TREE-MIB::nnMstCistRoot.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::nnMstCistRoot 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 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 |
| 1.3.6.1.4.1.45 | synoptics | CMU-MIB |
| 1.3.6.1.4.1.45.5 | bayStackMibs | SYNOPTICS-ROOT-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.45.5.5 | nnMultipleSpanningTreeMib | NORTEL-NETWORKS-MULTIPLE-SPANNING-TREE-MIB |
| 1.3.6.1.4.1.45.5.5.1 | nnMstObjects | NORTEL-NETWORKS-MULTIPLE-SPANNING-TREE-MIB |
| 1.3.6.1.4.1.45.5.5.1.1 | nnMstScalars | NORTEL-NETWORKS-MULTIPLE-SPANNING-TREE-MIB |
| 1.3.6.1.4.1.45.5.5.1.1.4 | nnMstCistRoot | NORTEL-NETWORKS-MULTIPLE-SPANNING-TREE-MIB |