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Chapter 7: Command-Line Management
2. Usage:
Use this command to specify the time interval after which a port is brought back up. The range of interval value is from 10 to
1000000. And the default value is 300 seconds.
3. Command Syntax:
bridge GROUP spanning-tree errdisable-timeout interval <10-1000000>
no bridge GROUP spanning-tree errdisable-timeout interval
GROUP <1-1> Bridge-group ID used for bridging.
<10-1000000> The error disable timeout interval in seconds.
4. Example:
The following example sets error disable timeout interval time 100 seconds for bridge GROUP (1):
switch_a(config)#bridge 1 spanning-tree errdisable-timeout interval 100
switch_a(config)#
Advanced Per Port Configuration:
Portfast configuration / status:
1. Command Mode: Interface mode
Logon to Configure Mode (Configure Terminal Mode).
Then logon to Interface mode.
fe1 means port 1.
The switch_a(config-if)# prompt will show on the screen.
switch_a(config)#interface fe1
switch_a(config-if)#
2. Usage:
Use this command to set a port as an edge-port and to enable rapid transitions.
Use the no parameter with this command to set a port to its default state (not an edge-port) and to disable rapid transitions.
3. Command Syntax:
spanning-tree portfast
no spanning-tree portfast
4. Example:
The following example sets the interface fe1 (port 1) as an edge-port and to enable rapid transitions:
switch_a(config)#interface fe1
switch_a(config-if)# spanning-tree portfast
switch_a(config-if)#
Bpdu-guard configuration:
1. Command Mode: Interface mode
Logon to Configure Mode (Configure Terminal Mode).
Then logon to Interface mode.
