Esercizi IPv6 - the Netgroup at Politecnico di Torino
Esercizi IPv6 - the Netgroup at Politecnico di Torino
Esercizi IPv6 - the Netgroup at Politecnico di Torino
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Risposta 2: pacchetti gener<strong>at</strong>i al bootPrima <strong>di</strong> poter assumere come valido il proprio in<strong>di</strong>rizzo link-local, H1deve completare una fase <strong>di</strong> Duplic<strong>at</strong>e Address Detection (2 pacchetti),quin<strong>di</strong> invierà un pacchetto all’in<strong>di</strong>rizzo “all routers” per verificare lapresenza <strong>di</strong> un router. Si noti come quest’ultimo pacchetto non vieneinvi<strong>at</strong>o <strong>di</strong> default da tutti i sistemi oper<strong>at</strong>ivi.Pacchetto 1:[Eth] 000104-762A5C => 3333FF-762A5C[<strong>IPv6</strong>] :: =>FF02::1:FF76:2A5C (Len 64)[ICMP6] Neighbor Solicit<strong>at</strong>ion: who has FE80::0201:04FF:FE76:2A5C?Pacchetto 2:[Eth] 000104-762A5C => 3333FF-762A5C[<strong>IPv6</strong>] FE80::0201:04FF:FE76:2A5C =>FF02::1:FF76:2A5C (Len 72)[ICMP6] Group Membership Report (FF02::1:FF76:2A5C)Pacchetto 3:[Eth] 000104-762A5C => 3333FF-000002[<strong>IPv6</strong>] FE80::0201:04FF:FE76:2A5C =>FF02::2 (Len 56)[ICMP6] Router solicit<strong>at</strong>ion6
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