All MIBs › AT-GS950-8-MIB › dot1wOldDesignatedRoot
dot1wOldDesignatedRoot
Module: AT-GS950-8-MIB
OID (symbolic): AT-GS950-8-MIB::dot1wOldDesignatedRoot
OID (numeric): 1.3.6.1.4.1.207.1.4.165.119.1.3.1.12
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 dot1wOldDesignatedRoot?
Identifies the bridge identifier of the previous root bridge in the spanning tree, as determined before the most recent topology change. This is useful for diagnosing root bridge transitions and understanding recent topology shifts.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.207.1.4.165.119.1.3.1.12 snmpwalk -v2c -c public <target> AT-GS950-8-MIB::dot1wOldDesignatedRoot
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.207.1.4.165.119.1.3.1.12.1 snmpget -v2c -c public <target> AT-GS950-8-MIB::dot1wOldDesignatedRoot.1
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OID Breakdown
Upper-level ancestors (9 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 |
| 1.3.6.1.4.1.207 | alliedTelesyn | AT-RG600-MIB |
| 1.3.6.1.4.1.207.1 | products | AT-SMI-MIB |
| 1.3.6.1.4.1.207.1.4 | swhub | AtiEdgeSwitch-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.207.1.4.165 | at_GS9508v2 | AT-GS950-8-MIB |
| 1.3.6.1.4.1.207.1.4.165.119 | l2Rst | AT-GS950-8-MIB |
| 1.3.6.1.4.1.207.1.4.165.119.1 | dot1wRst | AT-GS950-8-MIB |
| 1.3.6.1.4.1.207.1.4.165.119.1.3 | dot1wRstTable | AT-GS950-8-MIB |
| 1.3.6.1.4.1.207.1.4.165.119.1.3.1 | dot1wRstEntry | AT-GS950-8-MIB |
| 1.3.6.1.4.1.207.1.4.165.119.1.3.1.12 | dot1wOldDesignatedRoot | AT-GS950-8-MIB |