Ping fejler

Hej... jeg har et meget meget underligt problem: se output fra ping her:

Reply from 72.14.221.104: bytes=32 time=31ms TTL=243
Reply from 72.14.221.104: bytes=32 time=46ms TTL=243
Reply from 72.14.221.104: bytes=32 time=64ms TTL=243
Reply from 72.14.221.104: bytes=32 time=31ms TTL=243
Reply from 72.14.221.104: bytes=32 time=30ms TTL=243
Reply from 72.14.221.104: bytes=32 time=75ms TTL=243
Reply from 72.14.221.104: bytes=32 time=56ms TTL=243
Request timed out.
General failure.
General failure.
General failure.
General failure.
General failure.
General failure.
General failure.
Reply from 72.14.221.104: bytes=32 time=31ms TTL=243
Reply from 72.14.221.104: bytes=32 time=55ms TTL=243
Reply from 72.14.221.104: bytes=32 time=98ms TTL=243
Reply from 72.14.221.104: bytes=32 time=35ms TTL=243
Reply from 72.14.221.104: bytes=32 time=54ms TTL=243
Reply from 72.14.221.104: bytes=32 time=78ms TTL=243
Reply from 72.14.221.104: bytes=32 time=30ms TTL=243
Reply from 72.14.221.104: bytes=32 time=39ms TTL=243
Reply from 72.14.221.104: bytes=32 time=45ms TTL=243
Reply from 72.14.221.104: bytes=32 time=39ms TTL=243
Reply from 72.14.221.104: bytes=32 time=30ms TTL=243
General failure.
General failure.
General failure.
General failure.
General failure.
General failure.
General failure.
General failure.
General failure.
General failure.
General failure.
General failure.
General failure.
General failure.
Reply from 72.14.221.104: bytes=32 time=91ms TTL=243
Reply from 72.14.221.104: bytes=32 time=32ms TTL=243
Reply from 72.14.221.104: bytes=32 time=62ms TTL=243


Sådan bliver det ved og ved... det er opstået pludseligt, og uden at jeg har pillet ved noget som helst - kablerne sidder godt i.

En anden maskine jeg har prøvet fra, har ikke problemet, ergo må det være denne maskine der er syg - men hva' fa'en er problemet?