Question
Consider the LAN below consisting of 12 computers (A-L) connected by two Ethernet bridges. At t=0 the bridging table entries for both bridges are empty.
Consider the LAN below consisting of 12 computers (A-L) connected by two Ethernet bridges. At t=0 the bridging table entries for both bridges are empty. At t = 1, node L sends to node E, and node E replies immediately (well before the next time step).
What are the (MAC address, interface) entries in the bridging tables right after these transmissions?
Note: interface = port number
a) Left-hand-side bridge: (L,15), (E, 8).
Right-hand-side bridge: (L,7), (E, 5).
b) Left-hand-side bridge: (L,8), (E, 8).
Right-hand-side bridge: (L,7), (E, 7).
c) Left-hand-side bridge: (L,15), (E,5).
Right-hand-side bridge: (L,7), (E, 8).
d) Left-hand-side bridge: (L,8), (E,8).
Right-hand-side bridge: (L,7), (E, 7).
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