Sysadmin > Force10Switch > Force10SpanningTree

Configuration spanning tree and interoperability with cisco

Config)# protocol spanning-tree pvst
Config-protocol PVST)# no disable

Interoperabilty on hybrid ports (tagged and untagged)

no spanning-tree pvst err-disable cause invalid-pvst-bpdu

Source

-- StephanPietzko - 26 Mar 2015