Madge Networks Token Ring Switch Manuale Utente Scaricare il pdf (Pagina 56)

Smart DeskStream Technical Presentation 56

n DeskStream DOES NOT participate in IBM

Spanning Tree negotiation

Spanning Tree

IBM Spanning Tree Support

Switch 1 sends IBM Spanning Tree BPDU

DeskStream forwards BPDU to all ports, including

other uplinks

Switch 2 receives BPDU, and appears as direct link

To prevent a loop, one backbone port will then

block

IBM BPDU

A DeskStream stack with only CRF ports doesn’t take part in any

bridging conversations - it acts in the same that a CAU would.

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Madge Networks Token Ring Switch Manuale Utente Pagina 56