Cisco Systems 3560 Manual De Usuario
17-11
Catalyst 3560 Switch Software Configuration Guide
OL-8553-06
Chapter 17 Configuring STP
Configuring Spanning-Tree Features
To support VLAN-bridge spanning tree, some of the spanning-tree timers are increased. To use the
fallback bridging feature, you must have the enhanced multilayer image installed on your switch. For
more information, see
fallback bridging feature, you must have the enhanced multilayer image installed on your switch. For
more information, see
Configuring Spanning-Tree Features
These sections contain this configuration information:
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Default Spanning-Tree Configuration
shows the default spanning-tree configuration.
Table 17-3
Default Spanning-Tree Configuration
Feature
Default Setting
Enable state
Enabled on VLAN 1.
For more information, see the
.
Spanning-tree mode
PVST+. (Rapid PVST+ and MSTP are
disabled.)
disabled.)
Switch priority
32768.
Spanning-tree port priority (configurable on a per-interface basis)
128.
Spanning-tree port cost (configurable on a per-interface basis)
1000 Mb/s: 4.
100 Mb/s: 19.
10 Mb/s: 100.
Spanning-tree VLAN port priority (configurable on a per-VLAN basis)
128.