A switch and a method are described herein that are capable of supporting a "new" IP network tunnel even though the switch has an "old" application specific integrated circuit (ASIC) that did not originally support the routing of a packet with the "new" tunnel type (i.e., the "new" tunnel type was developed and implemented after the design of the "old" ASIC).

 
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< Automatic determination of connectivity problem locations or other network-characterizing information in a network utilizing an encapsulation protocol

> Portable multiplicity counter

> User registration in a communication system

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