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IPv6 Addressing

UrsWeiss
After waiting some months i now received our /48 IPv6 range.

Now i have a question i haven't found an answer yet:
What is the first usable address for a host in a subnet (f.ex. 2001:1234:1:1::/64)?

Is it:
2001:1234:1:1::

or
2001:1234:1:1::1

I thought i heard somewhere that 2001:1234:1:1:: can be used as a normal host address. I'm able to enter this address for an interface on the ASG (and it works). So i think it is correct, but not 100% sure.

Which one is the correct first address of the subnet??

Thank you
Urs


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  • 0
    Please do not use 2001:1234:1:1::, thats the Subnet-Router Anycast address.
    Every router on 2001:1234:1:1::/64 will listen on that address.

    8.200 will print a warning message if 2001:1234:1:1:: is configured.
    For more information see RFC 4291 section 2.6.1

    Cheers
     Ulrich
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  • 0
    Please do not use 2001:1234:1:1::, thats the Subnet-Router Anycast address.
    Every router on 2001:1234:1:1::/64 will listen on that address.

    8.200 will print a warning message if 2001:1234:1:1:: is configured.
    For more information see RFC 4291 section 2.6.1

    Cheers
     Ulrich
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