Lantronix SISPM1040-3166-L Web User Guide Rev G PDF 14.13 MB - Page 188
Auto Edge, Restricted Role, Restricted TCN, BPDU Guard, Point-to-Point, Buttons, Apply, Reset
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Transition Networks SISPM1040-3xxx-L Web User Guide Auto Edge : Controls whether the bridge should enable automatic edge detection on the bridge port. This allows operEdge to be derived from whether BPDU's are received on the port or not. Restricted Role : If enabled, causes the port not to be selected as Root Port for the CIST or any MSTI, even if 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. If set, it can cause lack of spanning tree connectivity. It can be set by a network administrator to prevent bridges external to a core region of the network influence the spanning tree active topology, possibly because those bridges are not under the full control of the administrator. This feature is also known as Root Guard. Restricted TCN : If enabled, causes the port not to propagate received topology change notifications and topology changes to other ports. If set it can cause temporary loss of connectivity after changes in a spanning tree's active topology as a result of persistently incorrect learned station location information. It is set by a network administrator to prevent bridges external to a core region of the network, causing address flushing in that region, possibly because those bridges are not under the full control of the administrator or the physical link state of the attached LANs transits frequently. BPDU Guard : If enabled, causes the port to disable itself upon receiving valid BPDU's. Contrary to the similar bridge setting, the port Edge status does not affect this setting. A port entering error-disabled state due to this setting is subject to the bridge Port Error Recovery setting as well. Point-to-Point : Select whether the port connects to a point-to-point LAN rather than to a shared medium. This can be automatically determined or Forced True or Forced False. Transition to the forwarding state is faster for point-to-point LANs than for shared media. Buttons Apply : Click to save changes. Reset : Click to undo any changes made locally and revert to previously saved values. 33763 Rev. G https://www.transition.com Page 188 of 496