Users Guide

Layer 2 Switching Commands 826
Syntax
spanning-tree tcnguard
no spanning-tree tcnguard
Default Configuration
TCN propagation is disabled by default.
Command Mode
Interface Configuration (Ethernet, Port Channel) mode
User Guidelines
There are no user guidelines for this command.
Example
The following example configures spanning-tree tcnguard on 4/0/1.
console(config-if-4/0/1)#spanning-tree tcnguard
spanning-tree transmit hold-count
Use the spanning-tree transmit hold-count command to set the maximum
number of BPDUs that a bridge is allowed to send within a hello time window
(2 seconds). Use the no form of this command to reset the hold count to the
default value.
Syntax
spanning-tree transmit hold-count <value>
no spanning-tree transmit
• value — The maximum number of BPDUs to send (Range: 1–10).
Default Configuration
The default hold count is 6 BPDUs.
Command Mode
Global Configuration mode