All MIBs › NORTEL-NETWORKS-RAPID-SPANNING-TREE-MIB › nnRstDot1wOldDesignatedRoot
nnRstDot1wOldDesignatedRoot
Module: NORTEL-NETWORKS-RAPID-SPANNING-TREE-MIB
OID (symbolic): NORTEL-NETWORKS-RAPID-SPANNING-TREE-MIB::nnRstDot1wOldDesignatedRoot
OID (numeric): 1.3.6.1.4.1.45.5.4.1.2.1.5
Node type: OBJECT-TYPE
Type: BridgeId
Access: read-only
Description: The bridge identifier of the old root of the spanning tree as determined by the Spanning Tree Protocol as executed by this node.
What is nnRstDot1wOldDesignatedRoot?
Records the bridge ID of the spanning-tree root before the most recent root change, which an admin (or the nnRstNewRoot trap that carries this value) uses to see exactly which bridge was root just before the switchover.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.45.5.4.1.2.1.5 snmpwalk -v2c -c public <target> NORTEL-NETWORKS-RAPID-SPANNING-TREE-MIB::nnRstDot1wOldDesignatedRoot
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.45.5.4.1.2.1.5.1 snmpget -v2c -c public <target> NORTEL-NETWORKS-RAPID-SPANNING-TREE-MIB::nnRstDot1wOldDesignatedRoot.1
Start monitoring Nortel Networks (later Avaya) enterprise switch (RSTP) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the NORTEL-NETWORKS-RAPID-SPANNING-TREE-MIB::nnRstDot1wOldDesignatedRoot OID value, configure state conditions and alerts, and monitor any Nortel Networks (later Avaya) enterprise switch (RSTP) 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 |
|---|---|---|
| 1.3.6.1.4.1.45.5.4 | nnRapidSpanningTreeMib | NORTEL-NETWORKS-RAPID-SPANNING-TREE-MIB |
| 1.3.6.1.4.1.45.5.4.1 | nnRstObjects | NORTEL-NETWORKS-RAPID-SPANNING-TREE-MIB |
| 1.3.6.1.4.1.45.5.4.1.2 | nnRstDot1w | NORTEL-NETWORKS-RAPID-SPANNING-TREE-MIB |
| 1.3.6.1.4.1.45.5.4.1.2.1 | nnRstDot1wScalars | NORTEL-NETWORKS-RAPID-SPANNING-TREE-MIB |
| 1.3.6.1.4.1.45.5.4.1.2.1.5 | nnRstDot1wOldDesignatedRoot | NORTEL-NETWORKS-RAPID-SPANNING-TREE-MIB |