IEEE8021-MSTP-MIB :: ieee8021MstpCistPortDesignatedRoot

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsIEEE8021-MSTP-MIBieee8021MstpCistPortDesignatedRoot

ieee8021MstpCistPortDesignatedRoot

Module: IEEE8021-MSTP-MIB

OID (symbolic): IEEE8021-MSTP-MIB::ieee8021MstpCistPortDesignatedRoot

OID (numeric): 1.3.111.2.802.1.1.6.1.3.1.5

Node type: OBJECT-TYPE

Type: BridgeId

Access: read-only

Description: The CIST Regional Root Identifier component of the Port's port priority vector, as defined in 13.10, for the CIST.

What is ieee8021MstpCistPortDesignatedRoot?

The CIST Regional Root Identifier component of this port's priority vector for the CIST, showing which regional root this specific port currently sees as the CIST's root.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.111.2.802.1.1.6.1.3.1.5
snmpwalk -v2c -c public <target> IEEE8021-MSTP-MIB::ieee8021MstpCistPortDesignatedRoot

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.111.2.802.1.1.6.1.3.1.5.1
snmpget -v2c -c public <target> IEEE8021-MSTP-MIB::ieee8021MstpCistPortDesignatedRoot.1

Start monitoring Vendor-neutral IEEE 802.1s standard (enterprise/campus Ethernet bridge or switch, MSTP) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the IEEE8021-MSTP-MIB::ieee8021MstpCistPortDesignatedRoot OID value, configure state conditions and alerts, and monitor any Vendor-neutral IEEE 802.1s standard (enterprise/campus Ethernet bridge or switch, MSTP) from a single console.

OID Breakdown

Upper-level ancestors (3 from the standard OID tree / other modules)
Numeric OIDNameModule
1isoLANART-AGENT
1.3orgAirPair-MIB
1.3.111.2.802.1.1ieee802dot1mibsIEEE8021-TC-MIB
Numeric OIDNameModule
1.3.111.2.802.1.1.6ieee8021MstpMibIEEE8021-MSTP-MIB
1.3.111.2.802.1.1.6.1ieee8021MstpObjectsIEEE8021-MSTP-MIB
1.3.111.2.802.1.1.6.1.3ieee8021MstpCistPortTableIEEE8021-MSTP-MIB
1.3.111.2.802.1.1.6.1.3.1ieee8021MstpCistPortEntryIEEE8021-MSTP-MIB
1.3.111.2.802.1.1.6.1.3.1.5ieee8021MstpCistPortDesignatedRootIEEE8021-MSTP-MIB