User`s guide

Configuring MSTP
Matrix DFE Series and N-SA User’s Guide 5-15
Figure 5-5 MSTP Sample Network Configuration
Procedure 5 ‐1showshowtoconfigureDevices1and2forMSTP.
Adjusting MSTP Parameters
Youmayneedtoadjustcertainspanningtreeparametersifthedefaultvaluesarenotsuitablefor
yourbridgeconfiguration.ReferbacktoAdjustingSpanningTreeParameters(page 5‐9)and
AdjustingRSTPParameters(page 5‐12)forinformationonadjustingspanningtreedefaults.
Changesmadetoglobalandport‐relatedspanningtree
defaultswilltakeaffectifthedeviceis
runninginSTP,RSTP,orMSTP.
Monitoring MSTP
ThecommandslistedinTable 5‐4allowyoutomonitorMSTPstatisticsandconfigurationsonthe
MatrixDFESeriesorN‐SAdevice.Youcanalsousetheshowcommandsdescribedin“Reviewing
andRe‐enablingSpanningTree”onpage 5‐8toreviewinforma tionrelatedtoallspanningtree
protocol
activity.
Procedure 5-1 Configuring Devices 1 and 2 for Simple MSTP
Step Task Command(s)
1. Create VLANs 2 and 3. set vlan create 2-3
2. Set each device’s configuration name to South. set spantree mstcfgid South
3. Create MSTI SID 2. set spantree msti sid 2 create
4. Create MSTI SID 3. set spantree msti sid 3 create
5. Create a FID-to-SID mapping for VLAN 2 to
SID 2.
set spantree mstmap 2 sid 2
6. Create a FID-to-SID mapping for VLAN 3 to
SID 3.
set spantree mstmap 3 sid 3
MST Region
South
Device #1
Device #2
VLAN 2 VLAN 3
Table 5-4 Commands for Monitoring MSTP
Task Command
Verify that MSTP is running on the device. show spantree version
Display the maximum configurable MSTIs allowed
on the device.
show spantree maxconfigurablestps
Display a list of MSTIs configured on the device. show spantree mstilist