Dell MX9116n EMC SmartFabric OS10 User Guide - Page 445

Configure and verify MSTP OS10(config)# spanning-tree mode mst OS10(config)# do show spanning-tree show spanning-tree mst configuration Region Name: abc Revision: 0 MSTI VID 0 1,7-4093 1 2 2 3 3 4 4 5 5 6 Add or remove interfaces By default, all interfaces are enabled in L2 switchport mode, and all L2 interfaces are part of spanning-tree. • Disable spanning-tree on an interface in INTERFACE mode. spanning-tree disable • Enable MST on an interface in INTERFACE mode. no spanning-tree disable Create instances You can create multiple MSTP instances and map VLANs. To take full advantage of the MSTP, create multiple MSTIs and map VLANs to them. 1. Enter an instance number in CONFIGURATION mode. spanning tree mst configuration 2. Enter the MST instance number in MULTIPLE-SPANNING-TREE mode, from 0 to 63. For Mt. Echo platform, the MULTIPLESPANNING-TREE mode is from 0 to 61. NOTE: Mt. Echo platform supports a total of 64 instances, out of which 1 is reserved for VLT Control VLAN, 1 for L3 VLAN, and 1 for default STP instance. When running rapid-pvst flavor, one instance is allocated for each VLAN until the number of VLAN reaches 61. VLANs after 61 are mapped to default instance. instance instance-number 3. Enter the VLAN and IDs to participate in the MST instance in MULTIPLE-SPANNING-TREE mode, from 1 to 4096. instance vlan-id Create MST instances OS10(config)# spanning-tree mst configuration OS10(conf-mst)# name Dell OS10(conf-mst)# revision 100 OS10(conf-mst)# instance 1 vlan 2-10 OS10(conf-mst)# instance 2 vlan 11-20 OS10(conf-mst)# instance 3 vlan 21-30 View VLAN instance mapping OS10# show spanning-tree mst configuration Region Name: Dell Revision: 100 MSTI VID 0 1,31-4093 1 2-10 2 11-20 3 21-30 Layer 2 445