All MIBs › MSTP-MIB › swMSTPInstDesignatedRootBridge
swMSTPInstDesignatedRootBridge
Module: MSTP-MIB
OID (symbolic): MSTP-MIB::swMSTPInstDesignatedRootBridge
OID (numeric): 1.3.6.1.4.1.171.12.15.2.3.1.13
Node type: OBJECT-TYPE
Type: BridgeId
Access: read-only
Description: The bridge identifier of the CIST. For MST instance, this object is unused.
What is swMSTPInstDesignatedRootBridge?
This read-only BridgeId reports the bridge identifier of the CIST root for this instance; it's unused (not meaningful) for MST instances, only for the CIST (instance 0). Admins read this on instance 0 to confirm which bridge in the network has won root election.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.171.12.15.2.3.1.13 snmpwalk -v2c -c public <target> MSTP-MIB::swMSTPInstDesignatedRootBridge
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.171.12.15.2.3.1.13.1 snmpget -v2c -c public <target> MSTP-MIB::swMSTPInstDesignatedRootBridge.1
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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 |
| 1.3.6.1.4.1.171 | d_link | DE1500-MIB |
| 1.3.6.1.4.1.171.12 | dlink_common_mgmt | DLINK-ID-REC-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.171.12.15 | swMSTPMIB | MSTP-MIB |
| 1.3.6.1.4.1.171.12.15.2 | swMSTPCtrl | MSTP-MIB |
| 1.3.6.1.4.1.171.12.15.2.3 | swMSTPInstanceCtrlTable | MSTP-MIB |
| 1.3.6.1.4.1.171.12.15.2.3.1 | swMSTPInstanceCtrlEntry | MSTP-MIB |
| 1.3.6.1.4.1.171.12.15.2.3.1.13 | swMSTPInstDesignatedRootBridge | MSTP-MIB |