Compaq SW3323 Manual De Usuario
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If there is a change in the network topology due to a failure or the removal or
addition of any active components, the active topology also changes. This may
trigger a change in the state of some blocked ports. There are five (5) states that
the ports can be in for spanning tree:
addition of any active components, the active topology also changes. This may
trigger a change in the state of some blocked ports. There are five (5) states that
the ports can be in for spanning tree:
■
Blocking: A port in this state does not participate in the transmission of
frames, thus preventing duplication arising through multiple paths
existing in the active topology of the bridged LAN.
frames, thus preventing duplication arising through multiple paths
existing in the active topology of the bridged LAN.
■
Listening: A port in this state is preparing to participate in the
transmission of frames. The transmission of frames is temporarily
disabled in order to prevent temporary loops, which may occur in a
bridged LAN during the lifetime of this state as the active topology of
the bridged LAN changes.
transmission of frames. The transmission of frames is temporarily
disabled in order to prevent temporary loops, which may occur in a
bridged LAN during the lifetime of this state as the active topology of
the bridged LAN changes.
■
Learning: A port in this state is preparing to participate in the
transmission of frames.
transmission of frames.
■
Forwarding: A port in this state is participating in the transmission
of frames.
of frames.
■
Disabled: A port in this state does not participate in the transmission of
frames or the operation of the spanning tree process.
frames or the operation of the spanning tree process.