tdTrX@lemmy.ml to Technology@lemmy.worldEnglish · 4 months agoWhy does my ISP sometimes give one IPv6 and another with a different subnet?message-squaremessage-square18fedilinkarrow-up11arrow-down10file-text
arrow-up11arrow-down1message-squareWhy does my ISP sometimes give one IPv6 and another with a different subnet?tdTrX@lemmy.ml to Technology@lemmy.worldEnglish · 4 months agomessage-square18fedilinkfile-text
minus-squaretdTrX@lemmy.mlOPlinkfedilinkEnglisharrow-up0·4 months agoHow can I tell if IPv6 is CGNATed ?
minus-squarejust_another_person@lemmy.worldlinkfedilinkEnglisharrow-up0·4 months agoIt all is if you’re getting both. You’re sharing IPs with many different devices at the same time. That’s how it works. Read up on it.
minus-squarecmnybo@discuss.tchncs.delinkfedilinkEnglisharrow-up0·4 months agoCGNAT is a nasty hack to work around the shortage of IPv4 addresses. It’s not used with IPv6.
minus-squarerichmondez@lemdro.idlinkfedilinkEnglisharrow-up0·4 months agoIPv6 should never be behind NAT which is a hack to extend the address space of Ipv4.
How can I tell if IPv6 is CGNATed ?
It all is if you’re getting both. You’re sharing IPs with many different devices at the same time. That’s how it works.
Read up on it.
CGNAT is a nasty hack to work around the shortage of IPv4 addresses. It’s not used with IPv6.
IPv6 should never be behind NAT which is a hack to extend the address space of Ipv4.