Users Guide

Version Description
7.5.1.0 Introduced on the C-Series.
6.5.1.0 Introduced.
Related
Commands
• protocol spanning-tree mstp — enter 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.
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, see the relevant Dell Networking
OS Command Line Reference Guide.
Version Description
9.8(2.0) Introduced on the S3100 series.
9.8(1.0) Introduced on the Z9100–ON.
9.8(0.0P5) Introduced on the S4048-ON.
9.8(0.0P2) Introduced on the S3048-ON.
9.7(0.0) Introduced on the S6000-ON.
9.2(1.0) Introduced on the Z9500.
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 — change the wait time before MSTP refreshes protocol configuration information.
• hello-time — change the time interval between bridge protocol data units (BPDUs).
hello-time
Set the time interval between generation of MSTB bridge protocol data units (BPDUs).
Syntax
hello-time seconds
852 Multiple Spanning Tree Protocol (MSTP)