W Sears, J Zahavi, N Patel - US Patent 6,681,248, 2004 - Google Patents
5, 084870 A 1/1992 Hutchison et al.........., 370/258 uses that list to track the connectivity. For
each port, the 5,485,578 A* 1/1996 Sweazey.............. 709/224 5,648,965 A 7/1997 Thadani …