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User’s Manual of SGSD-1022 / SGSD-1022P
SGSW-2840 / SGSW-2840P
542
mst priority Configures the priority of a spanning tree instance MST
name Configures the name for the multiple spanning tree MST
revision Configures the revision number for the multiple spanning tree MST
max-hops Configures the maximum number of hops allowed in the region
before a BPDU is discarded
MST
spanning-tree
spanning-disabled
Disables spanning tree for an interface IC
spanning-tree cost Configures the spanning tree path cost of an interface IC
spanning-tree port-priority Configures the spanning tree priority of an interface IC
spanning-tree edge-port Enables fast forwarding for edge ports IC
spanning-tree portfast Sets an interface to fast forwarding IC
spanning-tree link-type Configures the link type for RSTP/MSTP IC
spanning-tree mst cost Configures the path cost of an instance in the MST IC
spanning-tree mst port-priority Configures the priority of an instance in the MST IC
spanning-tree
protocol-migration
Re-checks the appropriate BPDU format PE
show spanning-tree Shows spanning tree configuration for the common spanning
tree (i.e., overall bridge), a selected interface, oran instance
within the multiple spanning tree
PE
show spanning-tree mst
configuration
Shows the multiple spanning tree configuration PE
Table 5-62 Spanning Tree Commands
spanning-tree
This command enables the Spanning Tree Algorithm globally for the switch. Use the no form to disable it.
Syntax
[no] spanning-tree
Default Setting
Spanning tree is enabled.
Command Mode
Global Configuration
Command Usage
The Spanning Tree Algorithm (STA) can be used to detect and disable network loops, and to provide backup links
between switches, bridges or routers. This allows the switch to interact with other bridging devices (that is, an
STA-compliant switch, bridge or router) in your network to ensure that only one route exists between any two stations on
the network, and provide backup links which automatically take over when a primary link goes down.
Example