All MIBs › CISCO-STACK-MIB › vlanPortIslPriorityVlans
vlanPortIslPriorityVlans
Module: CISCO-STACK-MIB
OID (symbolic): CISCO-STACK-MIB::vlanPortIslPriorityVlans
OID (numeric): 1.3.6.1.4.1.9.5.1.9.3.1.9
Node type: OBJECT-TYPE
Type: OCTET STRING
Access: read-write
Description: An indication of which Virtual LANs have a better dot1dStpPortPriority value. This object can be used to perform load balancing on Inter-Switch Links via spanning tree. An Inter-Switch Link has two dot1dStpPortPriority values which are shared by all the Virtual LANs on the link. The Virtual LANs indicated by this object have priority over the other Virtual LANs on the link.
This is an octet string value with bits set to indicate priority VLANs. It can be interpreted as a sum of f(x) as x goes from 0 to 1023, where f(x) = 0 for a VLAN x which does not have priority and f(x) = exp(2, x) for a VLAN x which has priority.
Setting the dot1dStpPortPriority value for any of the Virtual LANs indicated by this object causes the dot1dStpPortPriority value for all the Virtual LANs indicated by this object to be set to the same value.
Setting the dot1dStpPortPriority value for any other Virtual LAN causes the dot1dStpPortPriority value for all other Virtual LANs to be set to the same value.
What is vlanPortIslPriorityVlans?
This read-write bitmask object designates which VLANs get a better Spanning Tree port priority on an ISL trunk, enabling load balancing of traffic across redundant Inter-Switch Links.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.9.5.1.9.3.1.9 snmpwalk -v2c -c public <target> CISCO-STACK-MIB::vlanPortIslPriorityVlans
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.9.5.1.9.3.1.9.1 snmpget -v2c -c public <target> CISCO-STACK-MIB::vlanPortIslPriorityVlans.1
Set instance 1 (SNMPv2c):
snmpset -v2c -c private <target> 1.3.6.1.4.1.9.5.1.9.3.1.9.1 s <value>
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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 |
| 1.3.6.1.4.1.9 | cisco | CAT2600-MIB |
| 1.3.6.1.4.1.9.5 | workgroup | CISCO-ES-STACK-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.9.5.1 | ciscoStackMIB | CISCO-STACK-MIB |
| 1.3.6.1.4.1.9.5.1.9 | vlanGrp | CISCO-STACK-MIB |
| 1.3.6.1.4.1.9.5.1.9.3 | vlanPortTable | CISCO-STACK-MIB |
| 1.3.6.1.4.1.9.5.1.9.3.1 | vlanPortEntry | CISCO-STACK-MIB |
| 1.3.6.1.4.1.9.5.1.9.3.1.9 | vlanPortIslPriorityVlans | CISCO-STACK-MIB |