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User’s Manual of SGSD-1022 / SGSD-1022P
SGSW-2840 / SGSW-2840P
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Related Commands
spanning-tree cost
spanning-tree edge-port
This command specifies an interface as an edge port. Use the no form to restore the default.
Syntax
[no] spanning-tree edge-port
Default Setting
Disabled
Command Mode
Interface Configuration (Ethernet, Port Channel)
Command Usage
• You can enable this option if an interface is attached to a LAN segment that is at the end of a bridged LAN or to an end
node. Since end nodes cannot cause forwarding loops, they can pass directly through to the spanning tree forwarding
state. Specifying Edge Ports provides quicker convergence for devices 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.
• This command has the same effect as the spanning-tree portfast.
Example
Console(config)#interface ethernet ethernet 1/5
Console(config-if)#spanning-tree edge-port
Console(config-if)#
Related Commands
spanning-tree portfast
spanning-tree portfast
This command sets an interface to fast forwarding. Use the no form to disable fast forwarding.
Syntax
[no] spanning-tree portfast