Cisco WS-C6506

Contents
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Catalyst 6500 Series Switch Software Configuration Guide—Release 8.7
OL-8978-04
Default PVST+ Configuration 7-26
Setting the PVST+ Bridge ID Priority 7-27
Configuring the PVST+ Port Cost 7-28
Configuring the PVST+ Port Priority 7-29
Configuring the PVST+ Default Port Cost Mode 7-29
Configuring the PVST+ Port Cost for a VLAN 7-31
Configuring the PVST+ Port Priority for a VLAN 7-31
Disabling the PVST+ Mode on a VLAN 7-32
Configuring Rapid-PVST+ on the Switch 7-33
Configuring MISTP-PVST+ or MISTP on the Switch 7-34
Default MISTP and MISTP-PVST+ Configuration 7-35
Setting the MISTP-PVST+ Mode or the MISTP Mode 7-35
Configuring an MISTP Instance 7-37
Enabling an MISTP Instance 7-41
Mapping VLANs to an MISTP Instance 7-41
Disabling MISTP-PVST+ or MISTP 7-44
Configuring a Root Switch 7-44
Configuring a Primary Root Switch 7-45
Configuring a Secondary Root Switch 7-46
Configuring a Root Switch to Improve Convergence 7-46
Using Root Guard—Preventing Switches from Becoming Root 7-48
Displaying Spanning-Tree BPDU Statistics 7-48
Configuring Spanning-Tree Timers on the Switch 7-49
Configuring the Hello Time 7-50
Configuring the Forward Delay Time 7-50
Configuring the Maximum Aging Time 7-51
Configuring Multiple Spanning Tree on the Switch 7-51
Enabling Multiple Spanning Tree 7-51
Mapping and Unmapping VLANs to an MST Instance 7-58
Configuring BPDU Skewing on the Switch 7-59
Configuring Layer 2 PDU Rate Limiting on the Switch 7-61
CHAPTER 8 Configuring IEEE 802.1Q Tunneling and Layer 2 Protocol Tunneling 8-1
Understanding How 802.1Q Tunneling Works 8-1
802.1Q Tunneling Configuration Guidelines 8-2
Configuring 802.1Q Tunneling on the Switch 8-4
Configuring 802.1Q Tunnel Ports 8-4
Clearing 802.1Q Tunnel Ports 8-4