Administrator Guide

• If no BPDU is received from a remote device, loop guard places the port in a
Loop-Inconsistent Blocking state and no traffic is forwarded on the port.
Example
Dell(conf)#interface gigabitethernet 4/0
Dell(conf-if-gi-4/0)#spanning-tree rstp edge-port
Dell(conf-if-gi-4/0)#show config
!
interface GigabitEthernet 4/0
no ip address
switchport
spanning-tree rstp edge-port
no shutdown
Dell#
tc-flush-standard
Enable the MAC address flushing after receiving every topology change notification.
Z9000
Syntax
tc-flush-standard
To disable, use the no tc-flush-standard command.
Defaults Disabled
Command
Modes
CONFIGURATION (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 9.0.2.0 Introduced on the S6000.
Version
8.3.19.0
Introduced on the S4820T.
Version 8.3.11.1 Introduced on the Z9000.
Version 8.3.7.0 Introduced on the S4810.
Version 7.6.1.0 Introduced on the S-Series.
Version 7.5.1.0 Introduced on the C-Series.
Version 6.5.1.0 Introduced on the E-Series.
Usage
Information
By default, Dell Networking OS implements an optimized flush mechanism for
RSTP. This implementation helps in flushing MAC addresses only when necessary
(and less often), allowing for faster convergence during topology changes.
However, if a standards-based flush mechanism is needed, you can turn on this
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Rapid Spanning Tree Protocol (RSTP)