What to do next This procedure may need to be repeated if the device receives more legacy IEEE 802.1D configuration BPDUs (BPDUs with the protocol version set to 0). Feature History for Multiple Spanning Tree Protocol This table provides release and related information for features explained in this module. These features are available on all releases subsequent to the one they were introduced in, unless noted otherwise. Use Cisco Feature Navigator to find information about platform and software image support. To access Cisco Feature Navigator, go to http://www.cisco.com/go/cfn .
Configuring Multiple Spanning-Tree Protocol Feature History for Multiple Spanning Tree Protocol Command or Action Purpose Device> enable Step 2 Enter one of the following commands: • clear spanning-tree detected-protocols • clear spanning-tree detected-protocols interface interface-id Example: Device# clear spanning-tree detected-protocols or Device# clear spanning-tree detected-protocols interface gigabitethernet 1/0/1 The device reverts to the MSTP mode, and the protocol migration process restarts.
Release Feature Feature Information Cisco IOS XE Everest 16.5.1a Multiple Spanning-Tree Protocol MSTP, which uses RSTP for rapid convergence, enables multiple VLANs to be grouped into and mapped to the same spanning-tree instance, reducing the number of spanning-tree instances needed to support a large number of VLANs. Configuring Multiple Spanning-Tree Protocol 28