ocr: lunneedPoacket Home anenit Tireguent ONnHabIP packet odtencer NEV enceanstatignesder 12000e) Figure 2.1 By using IP-in-IP tunneling, Mobile IP routes: forwarded packets to new locations. without changing the packets' priginal addressing. Although it's possible to tunnel non-IP protocols (thus allowing non-IP clients to roam onto: Internet connections), vendors havent shown much interest int this approach.