The listener, which receives datagrams at the specified port,
turns each one into a
gives it to
RIPPacket to parse.
This grabs off the 4-byte
counts how many route entries there are, and runs a
loop letting a
parse each route entry.
This parses the 20-byte entry, learning
in particular the address, mask, nexthop, and metric.
Created October 25, 1998