If two hosts connected with the serial cable does it make
sence to use ARP,to get the l2/l3 addressing.
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Answer Posted / m.kullayappa
If the switch has no ARP entry for the address, it will
query all its non-uplink ports. If one of these ports leads
to another switch (slave switch) then that switch will in
turn query all of it's slaves, etc. If none of them
respond, the top switch creates an entry directing traffic
for that address to the uplink port.
The switch may or may not snoop on ARP packets which pass
through it, and add them to its own ARP table.
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