EXP Computer PathBuilder S200 - Manual (Page 48)

44 Bridging
Configuring the PathBuilder S200 Series Switch for Bridging Operation
5) The PathBuilder S200 series switch transfers a copy of the ARE frame from the
LAN Port across LAN Bridge Link number 1 to the Bridge (Figure 24). Since the
frame is an All Routes Explorer, the Bridge broadcasts the frame across each of
the existing WAN Bridge Links (32 max) to the WAN Adapter module.
6) The WAN Adapter transmits each ARE frame to a separate, already established
SVC which connects it across the WAN to a remote node (Figure 25). Note that
in the node attached to LAN AAA, three bridge links (5, 6, and 7) to the WAN
side are necessary because they go to the three remote LANs to establish
complete bridges to those LANs. The three right-hand nodes really need only one
WAN Bridge Link each, but two additional ones are shown; they could be
attached to other bridges in other nodes not shown.
Figure 24. PathBuilder S200 Series Switch Transfers a Copy of ARE
Frame to the Bridge Module
WAN
Adaptor
5
6
7
WAN
Port
Port
55
1
LAN
AAA
PC
ARE Frame
ARE Frame
ARE Frame
Bridge
LAN Bridge Link
WAN Bridge Links SVCs
(PVCs for Frame Relay)