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Configuring Spanning Tree Parameters
.
CIST-0
MSTI-1
Note. Of the two data paths available to MSTI 1 VLANs, one is blocked because it is seen as redundant
for that instance. In addition, the CIST data path remains available for CIST VLAN traffic.
Another solution to this scenario is to assign all VLANs to an MSTI, leaving no VLANs controlled by the
CIST. As a result, the CIST BPDU contains only MSTI information. See
page 5-12
for more information.
OmniSwitch AOS Release 7 Network Configuration Guide
3/1
VLAN 100
4/2
VLAN 150
4/8
VLAN 200
2/12
VLAN 250
Switch A
Flat Mode MSTP with Superior MSTI 1 PPC Values
2/1
VLAN 100
5/1
||
VLAN 150
5/2
VLAN 200
3/6
||
VLAN 250
Switch B
"How MSTP Works" on
March 2011
Sample MSTI Configuration
CIST-0
MSTI-1
page 5-51
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