Administrator Guide

forward-delay
The amount of time the interface waits in the Blocking State and the Learning State before transitioning to the Forwarding State.
C9000 Series
Syntax
forward-delay seconds
To return to the default setting, use the no forward-delay command.
Parameters
seconds Enter the number of seconds the interface waits in the Blocking State and the Learning
State before transiting to the Forwarding State. The range is from 4 to 30. The default is
15 seconds.
Defaults 15 seconds
Command Modes MULTIPLE SPANNING TREE
Command History
This guide is platform-specific. For command information about other platforms, refer to the relevant Dell
Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.9(0.0) Introduced on the C9010.
9.2(1.0) Introduced on the Z9500.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
7.6.1.0 Introduced on the S-Series.
7.5.1.0 Introduced on the C-Series.
6.5.1.0 Introduced.
Related
Commands
max-age — changes the wait time before MSTP refreshes protocol configuration information.
hello-time — changes the time interval between bridge protocol data units (BPDUs).
hello-time
Set the time interval between generation of MSTB bridge protocol data units (BPDUs).
C9000 Series
Syntax
hello-time seconds
To return to the default value, use the no hello-time command.
Parameters
seconds Enter a number as the time interval between transmission of BPDUs. The range is from 1
to 10. The default is 2 seconds.
Defaults 2 seconds
Command Modes MULTIPLE SPANNING TREE
Command History
This guide is platform-specific. For command information about other platforms, refer to the relevant Dell
Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Multiple Spanning Tree Protocol (MSTP) 1067