The background for this test can be found at: Garmin Packet Analysis The packet Capture is here: http://cloudshark.org/captures/df6ba4ebec4e Packet 56 is the iPad ARPing for a new IP Address. It will be assigned 101. *Lots of noise from the iPad * Packet 105 - Announcement to 239.254.2.2 Ah Ha! There seems to be a pattern of three packets ... And then one packet a second announcing. Then after 9 seconds it repeats the three packets. The packet sizes and content are below. 66 bytes 8e 03 00 00 10 00 00 00 01 00 ea 05 00 00 01 01 00 00 0d 20 34 00 00 00 202 bytes 92 03 00 00 98 00 ................ 00 00 01 00 00 00 02 00 ea 05 42 6c 75 65 43 68 ..........BlueCh 61 72 74 20 69 4f 53 00 00 00 00 00 00 00 00 00 art iOS......... 00 00 00 00 00 00 00 00 00 50 61 74 27 73 20 69 .........Pat's i 50 61 64 32 00 00 00 00 00 00 00 00 00 00 00 00 Pad2............ 00 00 00 00 00 00 00 00 00 00 05 00 00 00 00 00 ................ 42 6f 6f 74 62 6c 6f 63 6b 00 00 00 00 00 00 00 Bootblock....... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 0e 00 00 00 00 00 53 79 73 74 65 6d 00 00 ........System.. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 .......... 134 bytes 94 03 00 00 54 00 .......d.z....T. 00 00 00 00 53 6f 66 74 77 61 72 65 20 56 65 72 ....Software Ver 73 69 6f 6e 0a 31 2e 30 2e 33 0a 43 6f 70 79 72 sion.1.0.3.Copyr 69 67 68 74 20 32 30 31 32 0a 47 61 72 6d 69 6e ight 2012.Garmin 20 4c 74 64 2e 20 6f 72 20 69 74 73 20 73 75 62 Ltd. or its sub 73 69 64 69 61 72 69 65 73 00 00 00 00 00 00 00 sidiaries....... 00 00 00 00 00 00 |