In Figure 17.5, do we have a loop problem if we change each hub in the LANs
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In Figure 17.5, do we have a loop problem if we change each hub in the LANs to a link-layer switch?
Figure 17.5
Transcribed Image Text:
Figure 17.5 Loop problem in a learning switch a. Station A sends a frame to station D b. Both switches forward the frame LAN I LAN I A AD B B Addr Port Addr Port Addr Port A Addr Port A Switches Switches F E F Two coples D AD AD of the frame LAN 2 LAN 2 on LAN 2 LAN I A AD Two copies LAN I of the frame on LAN 1 Addr Port Addr Port A 2 Addr Port A2 Addr Port 1. Switches Switches 2 F F D AD Two copies of the frame on LAN 2 LAN 2 LAN 2 AD c. Both switches forward the frame c. Both switches forward the frame 2.
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