spanning-tree tcnguard
Use the spanning-tree tcnguard command to prevent a port from propagating
topology change notifications. Use the "no" form of the command to enable
TCN propagation.
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/g1.
console(config-if-4/g1)#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
value
spanning-tree transmit hold-count [
]
no spanning-tree transmit hold-count
value — The maximum number of BPDUs to send (Range: 1–10).
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Spanning Tree Commands