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ONFIGURATION
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such as workstations or servers, retains the current forwarding
database to reduce the amount of frame flooding required to rebuild
address tables during reconfiguration events, does not cause the
spanning tree to initiate reconfiguration 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. (Default: Disabled)
• Migration – If at any time the switch detects STP BPDUs, including
Configuration or Topology Change Notification BPDUs, it will
automatically set the selected interface to forced STP-compatible
mode. However, you can also use the Protocol Migration button to
manually re-check the appropriate BPDU format (RSTP or
STP-compatible) to send on the selected interfaces. (Default:
Disabled)
Web – Click Spanning Tree, STA, Port Configuration or Trunk
Configuration. Modify the required attributes, then click Apply.
Figure 3-69 STA Port Configuration
CLI – This example sets STA attributes for port 7.
Console(config)#interface ethernet 1/7 4-170
Console(config-if)#no spanning-tree spanning-disabled 4-217
Console(config-if)#spanning-tree port-priority 0 4-219
Console(config-if)#spanning-tree cost 50 4-218
Console(config-if)#spanning-tree link-type auto 4-222
Console(config-if)#no spanning-tree edge-port 4-220
Console(config-if)#spanning-tree protocol-migration 4-225