As described in Restricted Topology Change Notification (TCN), Restricted Topology Change Notice (TCN) allows or disallows TCN propagation on specified ports.
The S- K- or 7100-Series device allows you to restrict the propagation of TCNs on the specified port by setting Restricted TCN to true:
set spantree restrictedtcn port-string {true | false}
By default, Restricted TCN is set to false, allowing the propagation of TCNs on the specified port.
As described in Restricted Role, Restricted Role allows or disallows the root role on specified ports.
The S- K- or 7100-Series device allows you to restrict the root role on the specified port by setting Restricted Role to true:
set spantree restrictedrole port-string {true | false}
By default, Restricted Role is set to false, allowing the root role on the specified port.