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CrossFire 8600/8605 Token-Ring Switches v. 1.2, P/N: 710001641 Switch Configuration
Spanning Tree for TrBRF Screen
When you select
Spanning Tree
from the
Configuration
menu, a list containing
available TrBRF VLANs appears. Choose a TrBRF to view or edit from the list
before continuing. When you have selected a TrBRF, TrCRFs and ports associated
with the BRF may be selected for modification.
STP Participation
Whether this TrBRF participates in the spanning tree protocol and, if so, the
protocol to be used. Possible values are
No
,
IEEE
,
IBM
, and
Base on Bridging
Mode
. The default is
No
.
•
If
STP Participation
is set to
No
, then all TrCRFs with this TrBRF as a parent
will be set to forwarding mode. You can then override this by blocking a
particular TrCRF.
•
If
STP Participation
is set to
IEEE
or
IBM
, then the selected protocol will be
used to determine the forwarding/blocked mode of the TrCRFs that are
configured with an STP mode of
auto
.
•
If
STP Participation
is set to
Base on Bridging Mode
, then the spanning tree
protocol used is based on the bridging mode of the TrCRF. If the bridging
mode is SRB, the IBM Spanning Tree Protocol is used. If the bridging mode
is SRT, the IEEE 802.1D Spanning Tree Protocol is used.
For a particular TrCRF the protocols selected here can be overridden. See the
STP
Mode
parameter in the section “Spanning Tree for TrCRF Screen” on page 101.