Default Stp Configuration; Stp And Mst Configuration Guidelines - Cisco 6500 Series Software Configuration Manual
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Also See for 6500 Series:
- Configuration manual (392 pages) ,
- Configuration note (212 pages) ,
- Installation manual (194 pages)
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Chapter 15
Configuring STP and IEEE 802.1s MST
Default STP Configuration
Table 15-5
Table 15-5 STP Default Configuration
Feature
Enable state
Bridge priority
STP port priority (configurable on a per-port
basis—used on LAN ports configured as
Layer 2 access ports)
STP port cost (configurable on a per-port
basis—used on LAN ports configured as
Layer 2 access ports)
STP VLAN port priority (configurable on a
per-VLAN basis—used on LAN ports
configured as Layer 2 trunk ports)
STP VLAN port cost (configurable on a
per-VLAN basis—used on LAN ports
configured as Layer 2 trunk ports)
Hello time
Forward delay time
Maximum aging time
Mode
STP and MST Configuration Guidelines
Follow these guidelines when configuring MST:
•
•
•
78-14099-04
shows the default STP configuration.
Do not disable spanning tree on any VLAN in any of the PVST bridges.
Do not use PVST bridges as the root of CST.
Ensure that all PVST spanning tree root bridges have lower (numerically higher) priority than the
CST root bridge.
Catalyst 6500 Series Switch Cisco IOS Software Configuration Guide—Release 12.1 E
Default Value
STP enabled for all VLANs
32768
128
10-Gigabit Ethernet: 2
•
Gigabit Ethernet: 4
•
Fast Ethernet: 19
•
Ethernet: 100
•
128
•
10-Gigabit Ethernet: 2
•
Gigabit Ethernet: 4
•
Fast Ethernet: 19
Ethernet: 100
•
2 seconds
15 seconds
20 seconds
PVST
Default STP Configuration
15-21
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Troubleshooting
