Avaya Configuring Bridging Services Manual de usuario Pagina 31

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Using Transparent Bridge Services
117351-A Rev. A 1-9
Figure 1-8. Parallel Bridge Topology
When end station J initially sends a frame to end station K, both bridge 1 and
bridge 2 read the frame. Because this is the first frame sent between J and K, there
is no forwarding table entry for J or K on either of the bridges. Each bridge
updates its forwarding table to indicate that end station J is in the direction of
LAN A. Then, each bridge floods the frame: bridge 1 forwards the frame over
interface 1 and bridge 2 forwards the frame over interface 2. Bridge 2 also
forwards the frame over interface 3; however, to simplify the example, we do not
trace this frame.
LAN C
LAN B
LAN A
ES = End station
BR = Bridge
IF = Interface
Key
IF 1
IF 2
IF 3
BR 3
BR 2BR 1
BR 4
ES J
ES K
IF 4
IF 5
IF 6
IF 7
IF 8
IF 9
LAN D
BRG0006A
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