All MIBs › CTRON-SFPS-VSTP-MIB › vlanSpanningTreeSwitchPrevRootPort
vlanSpanningTreeSwitchPrevRootPort
Module: CTRON-SFPS-VSTP-MIB
OID (symbolic): CTRON-SFPS-VSTP-MIB::vlanSpanningTreeSwitchPrevRootPort
OID (numeric): 1.3.6.1.4.1.52.4.2.12.1.2.8.2.1.1.9
Node type: OBJECT-TYPE
Type: SfpsSwitchPort
Access: read-only
Description: Spanning tree previous root port.
What is vlanSpanningTreeSwitchPrevRootPort?
Reports which port was previously acting as the root port before the current one took over. An admin checks this after a topology change to see which uplink was in use before the switchover.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.52.4.2.12.1.2.8.2.1.1.9 snmpwalk -v2c -c public <target> CTRON-SFPS-VSTP-MIB::vlanSpanningTreeSwitchPrevRootPort
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.52.4.2.12.1.2.8.2.1.1.9.1 snmpget -v2c -c public <target> CTRON-SFPS-VSTP-MIB::vlanSpanningTreeSwitchPrevRootPort.1
Start monitoring Legacy Cabletron switch (per-VLAN spanning tree) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the CTRON-SFPS-VSTP-MIB::vlanSpanningTreeSwitchPrevRootPort OID value, configure state conditions and alerts, and monitor any Legacy Cabletron switch (per-VLAN spanning tree) from a single console.
OID Breakdown
Upper-level ancestors (14 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 |
| 1.3.6.1.4.1.52 | cabletron | Cabletron-MIB |
| 1.3.6.1.4.1.52.4 | mibs | CT-PRIORITY-QUEUING |
| 1.3.6.1.4.1.52.4.2 | ctronExp | CT-PRIORITY-QUEUING |
| 1.3.6.1.4.1.52.4.2.12 | ctVLANMib | CT-PRIORITY-QUEUING |
| 1.3.6.1.4.1.52.4.2.12.1 | ctVLANMgr | CT-PRIORITY-QUEUING |
| 1.3.6.1.4.1.52.4.2.12.1.2 | vlanInternal | CTRON-SFPS-INCLUDE-MIB |
| 1.3.6.1.4.1.52.4.2.12.1.2.8 | vlanSpanning | CTRON-SFPS-INCLUDE-MIB |
| 1.3.6.1.4.1.52.4.2.12.1.2.8.2 | vlanSpanningTreeSwitch | CTRON-SFPS-INCLUDE-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.52.4.2.12.1.2.8.2.1 | vlanSpanningTreeSwitchTable | CTRON-SFPS-VSTP-MIB |
| 1.3.6.1.4.1.52.4.2.12.1.2.8.2.1.1 | vlanSpanningTreeSwitchEntry | CTRON-SFPS-VSTP-MIB |
| 1.3.6.1.4.1.52.4.2.12.1.2.8.2.1.1.9 | vlanSpanningTreeSwitchPrevRootPort | CTRON-SFPS-VSTP-MIB |