Users Guide

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 conguration information.
max-age
To maintain conguration information before refreshing that information, set the time interval for the spanning tree bridge.
Syntax
max-age seconds
To return to the default values, use the no max-age command.
Parameters
seconds Enter a number of seconds the Dell Networking OS waits before refreshing conguration
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-specic. For command information about other platforms, see the relevant Dell Networking
OS Command Line Reference Guide.
Version Description
9.10(0.0) Introduced on the S6100–ON.
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.
7.7.1.0 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 congure the spanning tree group, enter SPANNING TREE mode.
Syntax
protocol spanning-tree stp-id
1478 Spanning Tree Protocol (STP)