One consequence of using a spanning tree to forward frames in an extended LAN is that some bridges may not participate at all in forwarding frames. Identify three such bridges in Fig. 4-44. Is there any reason for keeping these bridges, even though they are not used for forwarding?
Answer to relevant QuestionsImagine that a switch has line cards for four input lines. It frequently happens that a frame arriving on one of the lines has to exit on another line on the same card. What choices is the switch designer faced with as a ...To make VLANs work, configuration tables are needed in the switches and bridges. What if the VLANs of Fig. 4-49(a) use hubs rather than multi drop cables? Do the hubs need configuration tables, too? Why or why not?Assuming that all routers and hosts are working properly and that all software in both is free of all errors, is there any chance, however small, that a packet will be delivered to the wrong destination?Looking at the subnet of Fig. 5-6, how many packets are generated by a broadcast from B, using (a) Reverse path forwarding? (b) The sink tree?Describe two major differences between the warning bit method and the RED method.
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