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IS-IS Network Design Solutions by Scott Sturgess, Abe Martey

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Hello Packets

Figure A-1. LAN Level-1 hello packet format (PDU Type 15).

Example A-1. Analyzer Capture: LAN Level-1 Hello Packet
 ADDR HEX ASCII 0000: 01 80 c2 00 00 14 00 d0 58 f7 89 41 05 dc fe fe | .ÓÂ....DX÷‰A.Üww 0010: 03 83 1b 01 00 0f 01 00 00 03 00 00 00 00 00 01 | .ƒ.............. 0020: 00 0a 05 d9 40 00 00 00 00 00 01 01 81 01 cc 01 | ...Ü@.........Ì. 0030: 04 03 49 00 01 84 04 0a 01 01 01 06 0c 00 d0 58 | ..I..„........DX 0040: eb f8 41 00 d0 58 eb ff 01 08 ff 00 00 00 00 00 | ëøA.DXëÿ..ÿ..... 0050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 | ................ 0060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 | ................ ...

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