Spantree Cist Restricted-Tcn - Alcatel-Lucent 060321-10, Rev. B Cli Reference Manual

Distributed Spanning Tree Commands

spantree cist restricted-tcn

Configures the restricted TCN status for a port or a link aggregate of ports for the flat mode Common and
Internal Spanning Tree (CIST). When this parameter is enabled, the port does not propagate topology
changes and notifications to/from other ports.
spantree cist {port slot/port[-port2] | linkagg linkagg_id[-linkagg_id2]} restricted-tcn {enable | disable}
Syntax Definitions
slot/port[-port2]
linkagg_id[-linkagg_id2]
enable
disable
Defaults
By default, the restricted TCN status for the port is disabled.
Platforms Supported
OmniSwitch 10K
Usage Guidelines
•
Enabling the restricted TCN status is used by network administrators to prevent bridges external to the
core region of the network from causing unnecessary MAC address flushing in that region.
•
Note that enabling the restricted TCN status for a port may impact Spanning Tree connectivity.
•
This command only applies to the CIST instance regardless of which operating mode (flat or per-
VLAN) is active for the switch.
•
If the switch is running in the per-VLAN mode when this command is used, the specified restricted
TCN status for the port is not active for the CIST instance until the switch is running in the flat Span-
ning Tree mode.
Examples
-> spantree cist linkagg 15 restricted-tcn enable
-> spantree cist port 8/23 restricted-tcn disable
-> spantree cist port 2/2-4 restricted-tcn enable
-> spantree cist linkagg 10-14 restricted-tcn disable
Release History
Release 7.1.1; command introduced.
OmniSwitch CLI Reference Guide
The slot number and port number of the physical port. Use a hyphen to
specify a range of ports (4/1-8).
The link aggregate ID number. Use a hyphen to specify a range of IDs.
Enables the restricted TCN status for the specified port-CIST instance.
Disables the restricted TCN status for the specified port-CIST instance.
March 2011
spantree cist restricted-tcn
page 5-67