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Spanning Tree Topology Changes on EXOS Switches

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TitleSpanning Tree Topology Changes on EXOS Switches
Symptoms
  • Spanning Tree Topology Changes in EXOS environment
Environment
All EXOS versions
Cause
Spanning enabled on EXOS switches edge ports causing topology changes
Resolution
For EXOS devices ensure that STP enabled edge ports are configured as "link-type edge" "edge-safeguard enable "bpdu-restrict"
configure stpd s0 ports link-type edge <ports> edge-safeguard enable bpdu-restrict

InterSwitch Links (where STP is required) are configured as "Link type point-to point" "edge-safeguard disable"
configure stpd s0 ports link-type point-to-point <ports>
configure stpd s0 ports edge-safeguard disable <ports>
Additional notes

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