Madge Networks Token Ring Switch Manuel d'utilisateur télécharger pdf (Page 43)

Smart DeskStream Technical Presentation 43

Source Route Switching

Frame Forwarding using CRF

n DeskStream behaves as a transparent bridge

n It learns the MAC and RIF information in passing

frames, and builds up an address table

l Also known as Active Learning

n As frames arrive, the next hop or destination

MAC address is looked up in the table to

determine which port to forward the frame

l If the destination MAC address or route descriptor is

not listed against a port the DeskStream forwards the

frame to all ports

n Up to 2048 entries of MAC or route descriptor in

each DeskStream

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Madge Networks Token Ring Switch Manuel d'utilisateur Page 43