Users Guide

Table Of Contents
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 Z9332F-ON platform, the
MULTIPLE-SPANNING-TREE mode is from 0 to 61.
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
View port forwarding/discarding state
os10# show spanning-tree msti 0 brief
Spanning tree enabled protocol msti with force-version mst
MSTI 0 VLANs mapped 1-3999,4091-4093
Executing IEEE compatible Spanning Tree Protocol
Root ID Priority 32768, Address 90b1.1cf4.a625
Root Bridge hello time 1, max age 20, forward delay 4, max hops 20
Bridge ID Priority 32768, Address 90b1.1cf4.a625
We are the root of MSTI 0
Configured hello time 1, max age 20, forward delay 4, max hops 20
CIST regional root ID Priority 32768, Address 90b1.1cf4.a625
CIST external path cost 0
Flush Interval 200 centi-sec, Flush Invocations 12
Flush Indication threshold 5
Interface Designated
Name PortID Prio Cost Sts Cost Bridge ID
PortID
-----------------------------------------------------------------------------------------
-----
ethernet1/1/1 128.8 128 200000000 BLK 0 32768 90b1.1cf4.a625
128.8
ethernet1/1/2:1 128.16 128 2000 BLK 0 32768 90b1.1cf4.a625
128.16
ethernet1/1/2:2 128.17 128 2000 BLK 0 32768 90b1.1cf4.a625
128.17
ethernet1/1/2:3 128.18 128 2000 BLK 0 32768 90b1.1cf4.a625
128.18
ethernet1/1/2:4 128.19 128 2000 BLK 0 32768 90b1.1cf4.a625
128.19
ethernet1/1/3 128.24 128 200000000 BLK 0 32768 90b1.1cf4.a625
128.24
ethernet1/1/4:1 128.32 128 2000 FWD 0 32768 90b1.1cf4.a625
128.32
ethernet1/1/4:2 128.33 128 2000 FWD 0 32768 90b1.1cf4.a625
128.33
ethernet1/1/4:3 128.34 128 200000000 BLK 0 32768 90b1.1cf4.a625
128.34
Layer 2
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