SMC Networks 16 10BASE-T manual Spanning Tree Commands, Spanning-tree, Spanning tree is enabled

Spanning Tree Commands 4

Spanning Tree Commands

This section includes commands that configure the Spanning Tree Algorithm (STA) globally for the switch, and commands that configure STA for the selected interface.

Table 4-49. Spanning Tree Commands

Command	Function	Mode	Page
spanning-tree	Enables the spanning tree protocol	GC	4-133
spanning-tree mode	Configures STP or RSTP	GC	4-134
spanning-tree forward-time	Configures the spanning tree bridge forward time	GC	4-135
spanning-tree hello-time	Configures the spanning tree bridge hello time	GC	4-135
spanning-tree max-age	Configures the spanning tree bridge maximum age	GC	4-136
spanning-tree priority	Configures the spanning tree bridge priority	GC	4-137
spanning-tree	Configures the path cost method for RSTP	GC	4-137
path-cost method
spanning-tree	Configures the transmission limit for RSTP	GC	4-138
transmission-limit
spanning-tree cost	Configures the spanning tree path cost of an interface	IC	4-138
spanning-tree port-priority	Configures the spanning tree priority of an interface	IC	4-139
spanning-tree edge-port	Enables fast forwarding for edge ports	IC	4-140
spanning-tree portfast	Sets an interface to fast forwarding	IC	4-141
spanning-tree link-type	Configures the link type for RSTP	IC	4-141
spanning-tree	Re-checks the appropriate BPDU format	PE	4-143
protocol-migration
show spanning-tree	Shows spanning tree configuration for the common	PE	4-143
	spanning tree (i.e., overall bridge) or a selected interface

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,

4-133