SMC Networks SMC8724M Bedienungsanleitung Seite 485

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Seitenansicht 484
S
PANNING
T
REE
C
OMMANDS
4-213
spanning-tree mode
This command selects the spanning tree mode for this switch. Use the no
form to restore the default.
Syntax
spanning-tree mode {stp | rstp
| mstp}
no spanning-tree mode
stp - Spanning Tree Protocol (IEEE 802.1D)
rstp - Rapid Spanning Tree Protocol (IEEE 802.1w)
mstp - Multiple Spanning Tree (IEEE 802.1s)
Default Setting
rstp
Command Mode
Global Configuration
Command Usage
Spanning Tree Protocol
Uses RSTP for the internal state machine, but sends only 802.1D
BPDUs. This creates one spanning tree instance for the entire
network. If multiple VLANs are implemented on a network, the path
between specific VLAN members may be inadvertently disabled to
prevent network loops, thus isolating group members. When
operating multiple VLANs, we recommend selecting the MSTP
option.
Rapid Spanning Tree Protocol
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 after a ports
migration delay timer expires, the switch assumes that it is
connected to an 802.1D bridge and starts using only 802.1D
BPDUs.
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