Bore
U mena podobnoye bilo, odin iz mestnih routerov progluchilo i on nachel mena vsakoy zakidivat, tipa IGP (Interior Gateway Protocol), BGP (Border Gateway Protool) (Oba v vide IP paketov a ne TCP ili UDP encapsulacii kak obichno ispolzuyetsa) i yescho kakimto bezimannim protocolom s nomerom >200 (kakoy tochno ne pomnu).
Ya s etogo dolgo figel, moy ZoneAlarm toje

Cherez paru dney router otgluchilo i on eto delo brosil
Best Regards, BlackDew