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Description:
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esrSwitchSTPConfig OBJECT-TYPE
SYNTAX INTEGER {
ieee8021dStp(1), -- simple bridge
stpPerVlan(2), -- virtual bridging
twoLayerStp(3), -- separate planes
disable(4) -- STP disabled
}
ACCESS read-write
STATUS mandatory
DESCRIPTION
"When set to ieee8021dStp(1), the switch executes spanning tree conformant
to the IEEE 802.1D bridging standard. The switch runs one instance of
spanning tree.
When set to stpPerVlan(2), the switch executes a separate instance of spanning
tree for each virtual LAN. This configuration conforms to the model that
instances of virtual LANs within the switch are separate virtual bridging
functions. This method may not work well with bridge/routers that are also
running spanning tree.
When set to twoLayerStp(3), the switch executes a two-layer spanning tree to prevent loops. Two layer
spanning tree creates a higher 'plane' of spanning tree between VLAN devices. This method of running
spanning tree is 'plug and play' with bridge/router type devices and also scales better than the other
two methods for large environments.
When set to disable(4), spanning tree is disabled in the switch."
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