All MIBs › JUNIPER-MIMSTP-MIB › jnxMIMstCistRootPort
jnxMIMstCistRootPort
Module: JUNIPER-MIMSTP-MIB
OID (symbolic): JUNIPER-MIMSTP-MIB::jnxMIMstCistRootPort
OID (numeric): 1.3.6.1.4.1.2636.3.46.1.1.3.1.12
Node type: OBJECT-TYPE
Type: Integer32
Access: read-only
Description: The Port Number of the Port which offers the lowest path cost from this bridge to the CIST Root Bridge.
What is jnxMIMstCistRootPort?
This object identifies the port number on the local bridge that offers the lowest path cost to reach the CIST (Common and Internal Spanning Tree) Root Bridge in a Multiple Instance STP topology. The value indicates which physical port is selected as the root port for forwarding traffic toward the root bridge. A network operator would monitor this to verify the spanning tree topology and understand the primary forwarding path to the root bridge.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.2636.3.46.1.1.3.1.12 snmpwalk -v2c -c public <target> JUNIPER-MIMSTP-MIB::jnxMIMstCistRootPort
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.2636.3.46.1.1.3.1.12.1 snmpget -v2c -c public <target> JUNIPER-MIMSTP-MIB::jnxMIMstCistRootPort.1
Start monitoring Juniper EX-series Ethernet switch (MIMSTP, any generation) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the JUNIPER-MIMSTP-MIB::jnxMIMstCistRootPort OID value, configure state conditions and alerts, and monitor any Juniper EX-series Ethernet switch (MIMSTP, any generation) 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 |
| 1.3.6.1.4.1.2636 | juniperMIB | JUNIPER-SMI |
| 1.3.6.1.4.1.2636.3 | jnxMibs | JUNIPER-SMI |
| 1.3.6.1.4.1.2636.3.46 | jnxXstpMibs | JUNIPER-SMI |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.2636.3.46.1 | jnxMIMstMIB | JUNIPER-MIMSTP-MIB |
| 1.3.6.1.4.1.2636.3.46.1.1 | jnxMIDot1sJuniperMst | JUNIPER-MIMSTP-MIB |
| 1.3.6.1.4.1.2636.3.46.1.1.3 | jnxMIDot1sJuniperMstTable | JUNIPER-MIMSTP-MIB |
| 1.3.6.1.4.1.2636.3.46.1.1.3.1 | jnxMIDot1sJuniperMstEntry | JUNIPER-MIMSTP-MIB |
| 1.3.6.1.4.1.2636.3.46.1.1.3.1.12 | jnxMIMstCistRootPort | JUNIPER-MIMSTP-MIB |