D-Link DXS-3600-32S CLI Guide - Page 575
spanning-tree autoedge, spanning-tree guard root
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DXS-3600 Series 10GbE Layer 2/3 Switch CLI Reference Guide 57-18 spanning-tree autoedge This command is used to enable auto-edge on the interface. Use the disabled option of this command to disable autoedge on the interface. spanning-tree autoedge [disabled] Parameters disabled Specifies to disable the auto-edge on the interface. Default Command Mode Command Default Level Usage Guideline By default, this option is enabled. Interface Configuration Mode. Level: 8 In auto mode, the bridge will delay for a period to become edge port if no bridge BPDU is received Example This example shows how to configure auto-edge. DXS-3600-32S#configure terminal DXS-3600-32S(config)#interface tenGigabitEthernet 1/0/1 DXS-3600-32S(config-if)#spanning-tree autoedge Success DXS-3600-32S(config-if)# 57-19 spanning-tree guard root This command is used to the guard mode. To return to the default settings, use the no form of this command. spanning-tree guard root no spanning-tree guard root Parameters Default Command Mode Command Default Level Usage Guideline None. By default, this option is disabled. Interface Configuration Mode. Level: 8 BPDU guard prevents a port from being a root port BPDUs. Typically, this feature is used in a service-provider environment where the network administrator wants to prevent a low speed port being a root for the local bridge networks. This configuration will take effect on all the spanning-tree versions. A Boolean value set by management. If TRUE causes the Port not to be selected as Root Port for the CIST or any MSTI, even it has the best spanning tree priority vector. Such a Port will be selected as an Alternate Port after the Root Port has been selected. This parameter should be FALSE by default. If set, it can cause lack of spanning tree connectivity. It is set by a network administrator to prevent bridges external to a core region of the network influencing the spanning tree active topology, possibly because those bridges are not under the full control of the administrator. 567
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