Administrator Guide

Version Description
6.2.1.1 Introduced on the E-Series.
Related
Commands
forward-delay changes the wait time before STP transitions to the Forwarding state.
max-age changes the wait time before STP refreshes protocol configuration information.
max-age
To maintain configuration information before refreshing that information, set the time interval for the spanning tree bridge.
C9000 Series
Syntax
max-age seconds
To return to the default values, use the no max-age command.
Parameters
seconds
Enter a number of seconds the system waits before refreshing configuration
information. The range is from 6 to 40. The default is 20 seconds.
Defaults 20 seconds
Command Modes 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.
7.7.1.0 Introduced on the S-Series.
7.5.1.0 Introduced on the C-Series.
6.2.1.1 Introduced on the E-Series.
Related
Commands
forward-delay changes the wait time before STP transitions to the Forwarding state.
hello-time changes the time interval between BPDUs.
protocol spanning-tree
To enable and configure the spanning tree group, enter SPANNING TREE mode.
C9000 Series
Syntax
protocol spanning-tree stp-id
To disable the Spanning Tree group, use the no protocol spanning-tree stp-id command.
Spanning Tree Protocol (STP) 1669