Configuring Basic Stp Features; Default Stp Configuration - Cisco Catalyst 2950 Software Manual

Configuring Basic STP Features

Configuring Basic STP Features
These sections include basic STP configuration information:
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For advanced configuration information, see the
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Default STP Configuration

Table 9-2
Table 9-2 Default STP Configuration
Feature
Enable state
Switch priority
Spanning-tree port priority (configurable on a per-interface basis-used on
interfaces configured as access ports)
Spanning-tree port cost (configurable on a per-interface basis-used on
interfaces configured as access ports)
Spanning-tree VLAN port priority (configurable on a per-VLAN basis-used on
interfaces configured as trunk ports)
Spanning-tree VLAN port cost (configurable on a per-VLAN basis-used on
interfaces configured as trunk ports)
Hello time
Catalyst 2950 Desktop Switch Software Configuration Guide
9-20
Default STP Configuration, page 9-20
Disabling STP, page 9-21
Configuring the Root Switch, page 9-21
Configuring a Secondary Root Switch, page 9-23
Configuring STP Port Priority, page 9-24
Configuring STP Path Cost, page 9-25
Configuring the Switch Priority of a VLAN, page 9-26
Configuring the Hello Time, page 9-27
Configuring the Forwarding-Delay Time for a VLAN, page 9-27
Configuring the Maximum-Aging Time for a VLAN, page 9-28
Configuring STP for Use in a Cascaded Cluster, page 9-28
Displaying STP Status, page 9-29
9-30.
shows the default STP configuration.
"Configuring Advanced STP Features" section on
Default Setting
Enabled on VLAN 1.
Up to 128 spanning-tree instances can be
enabled.
32768.
128.
1000 Mbps: 4.
100 Mbps: 19.
10 Mbps: 100.
128.
1000 Mbps: 4.
100 Mbps: 19.
10 Mbps: 100.
2 seconds.
Chapter 9 Configuring STP
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