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Switch Configuration SmartStack STS16-20D/STS16-20R Token Ring Switches Installation and User Guide
Spanning Tree for BRF Screen
To open this screen from the main menu, do the following:
1. Select
Configuration
→
→ →
→
Spanning Tree
. A list containing available BRF
VLANs appears.
2. Choose a BRF from the list. The
Spanning Tree for BRF
screen will now
appear. From this screen you can go on to select CRFs and ports associated with
the BRF for modification (
CRF & Port Spanning Tree Parameters...)
.
STP Participation
Whether this BRF 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
, the internal links between this bridge entity
and the concentrator entities having this BRF as a parent will be set to
forwarding mode. You can then override this by blocking the link at a
particular CRF.
•
If
STP Participation
is set to
IEEE
, the bridge relay function will participate
in an 802.1D Spanning Tree domain and block or forward frames over the
internal link between the bridge relay function and the CRF.
•
If
STP Participation
is set to
IBM
, the bridge relay function will participate
in the IBM Source Route Spanning Tree Protocol and block or forward
Spanning Tree Explorer frames. Other frames are forwarded by the bridge
relay function.