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Bridge Overview 291
Figure 102 Bridge learns that Workstation A is connected with Port 1
Once Workstation B responds to Workstation A, the bridge can detect the
responding Ethernet frame from Workstation B and learn that Workstation B is
also connected to Bridge port 1 because the frame is detected on port 1 too. As a
result, the correlation between the MAC address of Workstation B and Bridge port
1 is added to the bridging table too, as shown in the following figure:
Figure 103 Bridge learns that Workstation B is connected with the port 1 too.
At last, given that all the workstations are in use, the bridge will obtain all
correlation between the MAC addresses and the bridge ports as shown in the
following figure:
Bridge
Ethernet segment 1
Bridge port 1
Bridge port 2
Ethernet segment 2
00e0.fcbb.bbbb
00e0.fcaa.aaaa00e0.fcbb.bbbb
Source address
Destination address
Bridging table
MAC
address
00e0.fcaa.aaaa
Port
1
00e0.fcaa.aaaa
00e0.fccc.cccc
00e0.fcdd.dddd
Workstation A
Workstation B
Workstation C
WorkstationD
Bridge
Ethernet segment 1
Bridge port1
Bridge port 2
00e0.fccc.cccc
00e0.fcdd.dddd
Ethernet segment 2
Bridging table
MAC
address
00e0.fcbb.bbbb
00e0.fcaa.aaaa
Port
1
1
00e0.fcbb.bbbb00e0.fcaa.aaaa
Source address
Destination address
00e0.fcbb.bbbb00e0.fcaa.aaaa
Workstation A
Workstation C
WorkstationB
WorkstationD