Configuring Spanning-Tree Features; Default Spanning-Tree Configuration - Cisco Catalyst 3750-X Software Configuration Manual

Configuring Spanning-Tree Features

For more information about switch stacks, see
Configuring Spanning-Tree Features
These sections contain this configuration information:
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Default Spanning-Tree Configuration

Table 20-3
Table 20-3 Default Spanning-Tree Configuration
Feature
Enable state
Spanning-tree mode
Switch priority
Spanning-tree port priority (configurable on a per-interface basis)
Spanning-tree port cost (configurable on a per-interface basis)
Spanning-tree VLAN port priority (configurable on a per-VLAN basis)
Catalyst 3750-X and 3560-X Switch Software Configuration Guide
20-12
Default Spanning-Tree Configuration, page 20-12
Spanning-Tree Configuration Guidelines, page 20-13
Changing the Spanning-Tree Mode., page 20-14
Disabling Spanning Tree, page 20-15
Configuring the Root Switch, page 20-15
Configuring a Secondary Root Switch, page 20-17
Configuring Port Priority, page 20-18
Configuring Path Cost, page 20-20
Configuring the Switch Priority of a VLAN, page 20-21
Configuring Spanning-Tree Timers, page 20-22
shows the default spanning-tree configuration.
Chapter 5, "Managing Switch Stacks."
(required)
(optional)
(optional)
(optional)
(optional)
(optional)
(optional)
(optional)
Default Setting
Enabled on VLAN 1.
For more information, see the
Spanning-Tree Instances" section on
page 20-10.
PVST+. (Rapid PVST+ and MSTP are
disabled.)
32768.
128.
1000 Mb/s: 4.
100 Mb/s: 19.
10 Mb/s: 100.
128.
Chapter 20 Configuring STP
"Supported
OL-21521-01