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Spanning Tree Protocol
Issue 1 July 2006 127
Spanning Tree Protocol
Overview
C360 switches support both common Spanning Tree protocol (802.1d) and the enhanced Rapid
Spanning Tree protocol (802.1w). IEEE 802.1w is a faster and more sophisticated version of the
802.1d (STP) standard. Spanning Tree makes it possible to recover connectivity after an outage
within a minute or so. RSTP, with its "rapid" algorithm, can restore connectivity to a network
where a backbone link has failed in much less time.
In order to configure the switch to either common Spanning Tree or Rapid Spanning Tree
protocol, use the set spantree version CLI command.
Spanning Tree Protocol
The Spanning Tree Algorithm ensures the existence of a loop-free topology in networks that
contain parallel bridges. A loop occurs when there are alternate routes between hosts. If there is
Set the supp-timeout per port (a
time for the port to wait for a
reply from the Authenticated
Station)
set port dot1x supp-timeout
Set the server-timeout per port
(a time to wait for a reply from
the Authentication Server)
set port dot1x server-timeout
Set the re-authentication period
per port (an idle time between
re-authentication attempts)
set port dot1x re-authperiod
Set the max-req per port (the
maximal number of times the
port
tries to retransmit requests to
the Authenticated Station before
the session is terminated)
set port dot1x max-req
In order to... Use the following command...
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