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C
ONFIGURING
THE
S
WITCH
2-50
STP Configuration
Global settings apply to the entire switch.
Command Usage
RSTP supports connections to either STP or RSTP nodes by monitoring
the incoming protocol messages and dynamically adjusting the type of
protocol messages the RSTP node transmits, as described below:
•
STP Mode
– If the switch receives an 802.1D BPDU (i.e., STP
BPDU) after a port’s migration delay timer expires, the switch assumes
it is connected to an 802.1D bridge and starts using only 802.1D
BPDUs.
•
RSTP Mode
– If RSTP is using 802.1D BPDUs on a port and receives
an RSTP BPDU after the migration delay expires, RSTP restarts the
migration delay timer and begins using RSTP BPDUs on that port.
Command Attributes
•
Spanning Tree State
— Enables or disables the Spanning Tree. If you
enable the Spanning Tree, you must complete the other fields.
(Default: enabled)
•
Spanning Tree Type
— Specifies the type of Spanning Tree Protocol
used on the switch: (Default: RSTP)
•
STP
: Spanning Tree Protocol (IEEE 802.1D; i.e., when this
option is selected, the switch will use RSTP set to STP forced
compatibility mode))
•
RSTP
: Rapid Spanning Tree (IEEE 802.1w)
•
Priority
— Bridge priority is used in selecting the root device, root
port, and designated port. The device with the highest priority
becomes the STP root device. However, if all devices have the same
Summary of Contents for TigerSwitch 100
Page 2: ......
Page 30: ...SWITCH MANAGEMENT 1 16...
Page 314: ...COMMAND LINE INTERFACE 3 170...
Page 316: ...TROUBLESHOOTING A 2...
Page 330: ...GLOSSARY Glossary 8...
Page 333: ......