Multiple Instance
802.1s Multiple Spanning Tree Protocol (MSTP)
1.Configure the VLANs you want included in any instances in the new region. When you create the pending region, all VLANs configured on the switch will be assigned to the pending IST instance unless assigned to other, pending MST instances.
2.Configure MSTP as the
3.Configure the pending region name to assign to the switch.
4.Configure the pending
5.If you want an MST instance other than the IST instance, configure the instance number and assign the appropriate VLANs (VIDs). (The pending command creates the region’s IST instance automatically.)
6.Repeat step 5 for each additional MST instance you want to configure.
7.Use the show
8.Use the
Syntax:
apply
Exchanges the currently active MSTP configuration with the pending MSTP configuration.
Specifies the pending MST region name. Must be the same for all MSTP switches in the region. (Default: The switch’s MAC address.)
Specifies the pending MST region configuration revision number. Must be the same for all MSTP switches in the region. (Default: 0).
instance < 1..16 > vlan [< vid
Creates the pending instance and assigns one or more
VLANs to the instance.
reset
Copies the switch’s currently active MSTP configuration to the pending configuration. This is useful when you want to experiment with the current MSTP configuration while maintaining an unchanged version.