section_heading: IPv6 adrese
paragraph_text: Nije dopušteno imati više puta dvije dvotočke zaredom, jer bi to potencijalno dovelo do problema. Kao primjer, promotrimo sljedeće valjane IPv6 adrese: 2001:0000:0000:0000:0000:0000:25de:cade 2001:0000:0000:0000:0000:25de:0000:cade 2001:0000:0000:0000:25de:0000:0000:cade 2001:0000:0000:25de:0000:0000:0000:cade 2001:0000:25de:0000:0000:0000:0000:cade 2001:25de:0000:0000:0000:0000:0000:cade