Administrator Guide

Version Description
6.5.1.0 Introduced.
Related
Commands
protocol spanning-tree mstp — enters MULTIPLE SPANNING TREE mode.
forward-delay
The amount of time the interface waits in the Blocking State and the Learning State before transitioning to the Forwarding
State.
Z9000
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
9.7(0.0) Introduced on the S6000-ON.
9.0.2.0 Introduced on the S6000.
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).
Z9000
Syntax
hello-time seconds
Multiple Spanning Tree Protocol (MSTP) 797