Spanning Tree Algorithm Configuration
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the amount of frame flooding required to rebuild address tables during
reconfiguration events, does not cause the spanning tree to reconfigure when the
interface changes state, and also overcomes other STA-related timeout problems.
However, remember that Edge Port should only be enabled for ports connected to
an end-node device.
• Admin Link Type – The link type attached to this interface.
- Point-to-Point – A connection to exactly one other bridge.
- Shared – A connection to two or more bridges.
- Auto – The switch automatically determines if the interface is attached to a
point-to-point link or to shared media.
Web – Click Spanning Tree, STA, Port Information or STA Trunk Information.
Figure 3-66 Displaying Spanning Tree Port Information
CLI – This example shows the STA attributes for port 5.
Console#show spanning-tree ethernet 1/5 4-160
Eth 1/ 5 information
--------------------------------------------------------------
Admin status: enabled
Role: disable
State: discarding
Path cost: 10000
Priority: 128
Designated cost: 0
Designated port : 128.5
Designated root: 32768.0012CF0B0D00
Designated bridge: 32768.0012CF0B0D00
Fast forwarding: disabled
Forward transitions: 0
Admin edge port: disabled
Oper edge port: disabled
Admin Link type: auto
Oper Link type: point-to-point
Spanning Tree Status: enabled
Console#
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