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Usage
Information
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.
Related
Commands
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.
max-age
To maintain configuration information before refreshing that information, set the time interval for the
RSTP bridge.
Z9500
Syntax
max-age seconds
To return to the default values, use the no max-age command.
Parameters
max-age Enter a number of seconds that the system waits before
refreshing configuration information. The range is from 6 to
40 seconds. The default is 20 seconds.
Defaults 20 seconds
Command
Modes
CONFIGURATION RSTP (conf-rstp)
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
9.2(1.0) Introduced on the Z9500.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
Rapid Spanning Tree Protocol (RSTP)
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