Parameters

Defaults

Command Modes

Command History

Usage Information

Related Commands

seconds

Enter a number as the time interval between transmission of

 

BPDUs. The range is from 1 to 10 seconds. The default is 2

 

seconds.

milli-second

Enter the keywords milli-secondto configure a hello time

 

on the order of milliseconds. The range is from 50 to 950

 

milliseconds

2 seconds

CONFIGURATION RSTP (conf-rstp)

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.

VersionDescription

9.7(0.0)

Introduced on the S6000-ON.

9.0.2.0Introduced on the S6000.

8.3.19.0Introduced on the S4820T.

8.3.11.1Introduced on the Z9000.

8.3.7.0Introduced on the S4810.

8.3.1.0Added the milli-secondoption to the S-Series.

7.6.1.0Introduced on the S-Series.

7.5.1.0Introduced on the C-Series.

6.2.1.1Introduced on the E-Series.

The hello time is encoded in BPDUs in increments of 1/256ths of a second. The standard minimum hello time in seconds is 1 second, which is encoded as 256. Millisecond hello times are encoded using values less than 256; the millisecond hello time equals (x/1000)*256.

When you configure millisecond hellos, the default hello interval of 2 seconds is still used for edge ports; the millisecond hello interval is not used.

forward-delay — changes the wait time before RSTP transitions to the Forwarding state.

max-age — changes the wait time before RSTP refreshes the protocol configuration information.

Rapid Spanning Tree Protocol (RSTP)

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Dell 9.7(0.0) manual Milli-second