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LANCOM GS-2124
Chapter 4: Operation of Web- based Management
140
Restricted Role:
Yes / No. If "Yes" 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 is "No" by default. If set, it can
cause lack of spanning tree connectivity. It is set by a network admi-
nistrator 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.
Restricted TCN:
Yes / No. If "Yes" causes the Port not to propagate received topology
change notifications and topology changes to other Ports. This para-
meter is "No" by default. If set it can cause temporary loss of connec-
tivity after changes in a spanning trees active topology as a result of
persistent incorrectly 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 administ-
rator. or the status of MAC operation for the attached LANs transitions
frequently.
Mcheck:
The same definition as in the RSTP specification for the CIST ports.
MSTP State:
MSTP protocol is Enable or Disable.
Force Version:
It shows the current spanning tree protocol version configured.
Bridge Max Age:
It shows the Max Age setting of the bridge itself.
Bridge Forward Delay:
It shows the Forward Delay setting of the bridge itself.
Bridge Max Hops:
It shows the Max Hops setting of the bridge itself.
Instance Priority:
Spanning tree priority value for a specific tree instance(CIST or MSTI).
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