iES12G
User’s
Manual
UM-iES12G-1.72.2-EN.docx
Pages 52 of 166
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Label
Description
TCN
When enabled, the port will not propagate received topology change notifications
and topology changes to other ports. If set, it will cause temporary disconnection after
changes in an active spanning trees topology as a result of persistent incorrectly
learned station location information. It is set by a network administrator to prevent
bridges outside a core region of the network from causing address flushing in that
region because those bridges are not under the full control of the administrator or is
the physical link state for the attached LANs transitions 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 effect 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
Configures whether the port connects to a point-to-point LAN rather than a shared
medium. This can be configured automatically or set to true or false manually.
Transiting to forwarding state is faster for point-to-point LANs than for shared media.
Save
Click to save changes.
Reset
Click to undo any changes made locally and revert to previously saved values.
MSTI Ports
This page allows the user to inspect the current STP MSTI port configurations, and possibly change them
as well.
An MSTI port is a virtual port, which is instantiated separately for each active CIST (physical) port for
each MSTI instance configured on and applicable to the port. The MSTI instance must be selected before
displaying actual MSTI port configuration options.
This page contains MSTI port settings for physical and aggregated ports.
