All MIBs › PRVT-MST-MIB › mSTInstanceDesignatedRoot
mSTInstanceDesignatedRoot
Module: PRVT-MST-MIB
OID (symbolic): PRVT-MST-MIB::mSTInstanceDesignatedRoot
OID (numeric): 1.3.6.1.4.1.738.1.5.107.1.2.3.1.1
Node type: OBJECT-TYPE
Type: BridgeId
Access: read-only
Description: The unique MST Bridge Identifier of the Bridge recorded as the Root in the Configuration BPDUs transmitted by the Designated Bridge for the segment to which the port is attached.
What is mSTInstanceDesignatedRoot?
This read-only BridgeId reports the bridge identifier of the root bridge for a given MST instance, as recorded in the Configuration BPDUs the segment's designated bridge transmits; an admin reads this to confirm which switch the instance believes is root.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.738.1.5.107.1.2.3.1.1 snmpwalk -v2c -c public <target> PRVT-MST-MIB::mSTInstanceDesignatedRoot
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.738.1.5.107.1.2.3.1.1.1 snmpget -v2c -c public <target> PRVT-MST-MIB::mSTInstanceDesignatedRoot.1
Start monitoring BATM Advanced Communication switches (802.1s MSTP) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the PRVT-MST-MIB::mSTInstanceDesignatedRoot OID value, configure state conditions and alerts, and monitor any BATM Advanced Communication switches (802.1s MSTP) from a single console.
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 |
| 1.3.6.1.4.1.738 | privateVendorOID | PRIV-VENDORDEF-MIB |
| 1.3.6.1.4.1.738.1 | prvt_products | PRVT-SWITCH-MIB |
| 1.3.6.1.4.1.738.1.5 | switch | PRVT-SWITCH-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.738.1.5.107 | prvtMSTMib | PRVT-MST-MIB |
| 1.3.6.1.4.1.738.1.5.107.1 | prvtMSTObjects | PRVT-MST-MIB |
| 1.3.6.1.4.1.738.1.5.107.1.2 | mSTBridgeParams | PRVT-MST-MIB |
| 1.3.6.1.4.1.738.1.5.107.1.2.3 | mSTInstanceTable | PRVT-MST-MIB |
| 1.3.6.1.4.1.738.1.5.107.1.2.3.1 | mSTInstanceEntry | PRVT-MST-MIB |
| 1.3.6.1.4.1.738.1.5.107.1.2.3.1.1 | mSTInstanceDesignatedRoot | PRVT-MST-MIB |