Configuring Spanning Tree Parameters Spanning Tree Specifications
OmniSwitch AOS Release 7 Network Configuration Guide March 2011 page 5-3
Spanning Tree Specifications
Platforms Supported OmniSwitch 10K
IEEE Standards supported 802.1d—Media Access Control (MAC) Bridges
802.1s—Multiple Spanning Trees
802.1w—Rapid Spanning Tree Protocol
Spanning Tree operating modes supported Flat mode—one spanning tree instance per switch
Per-VLAN mode—one spanning tree instance per VLAN
Spanning Tree port eligibility Fixed ports
802.1Q tagged ports
Link aggregate of ports
Maximum VLAN Spanning Tree instances
per switch.
128 (per-VLAN mode)
Maximum flat mode Multiple Spanning
Tree Instances (MSTI) per switch
16 MSTI, in addition to the Common and Internal Spanning
Tree instance (also referred to as MSTI 0).
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