Question
Understanding IPv6 address formats
- Posted on August 3, 2015
- IPv6DigitalOceanUbuntu
Asked by jamesspinella
Hello!
Under Networking in my Droplet’s info page, I can see an entry for Public IPv6 Address, however it ends in /64. I also see a configurable range. I’m not sure which to use for the network interface settings in Ubuntu. Can I just enter one of the addresses in the range as eth0’s static IPv6 address? Can I theoretically use each of the (64?) addresses by making an entry for each in Ubuntu’s network interface config file? Would pasting in the “Public IPv6 Address” as-is work? (it ends with “/64” and seems short for an IPv6 address).
I’ve read up on DigitalOcean’s IPv6 documentation, but I remain uncertain on these few things. Your help is greatly appreciated!
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@jamesspinella right, only if you want to add one Address over “ip”
Hello and welcome to DigitalOcean.
If you enabled IPv6 at the creation you have one IP already activated and working e.g.;
Public IPv6 Address: 2a03:b0c0:3:d0::3b:2001/64 -> Your enabled IP is 2a03:b0c0:3:d0::3b:2001
/64 means that you have a /64 Subnet https://en.wikipedia.org/wiki/Subnetwork
Configurable Address Range: 2a03:b0c0:3:d0::3b:2000 - 2a03:b0c0:3:d0::3b:200f -> You can add these IP´s (Hexadecimal) 0-f (0,1,2,3,4,5,6,7,8,9,a,b,c,d,e,f)
To add one you need to do this e.g. (2a03:b0c0:3:d0::3b:200b)
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