Configuring Spanning Tree Parameters Sample MSTI Configuration
OmniSwitch AOS Release 8 Network Configuration Guide December 2017 page 6-50
.
Flat Mode MSTP with Superior MSTI 1 PPC Values
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 “How MSTP Works” on
page 6-12 for more information.
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.
2/1
3/1
4/2
4/8
5/2
5/1
||
VLAN 100
VLAN 250
MSTI-1
VLAN 200
VLAN 150
CIST-0
VLAN 100
VLAN 250
MSTI-1
VLAN 200
VLAN 150
CIST-0
||
2/12
3/6
Switch A Switch B
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