[Kea-users] failed to allocate an IPv6 address after 65515 attempt(s)

Thomas Markwalder tmark at isc.org
Wed Jul 24 15:52:04 UTC 2019


Hello

You have specified the pool as an address range beginning at 
fd00:1:dead:beef::15 and ending at fd00:1:dead:beef::ffff.  Which only 
includes 65520 addresses to begin with. You use any of the following 
alternatives:

1. increase the pool end address
2. specify it as address/length:  fd00:1:dead:beef::/64
3. Add additional pools

You could specify it as fd00:1:dead::beef::15/64

On 7/24/19 11:31 AM, Sandeep Adapala wrote:
> Hello All,
>
> I am using version 1.5.0 Kea DHCPv6 version. I have allocated a /64
> subnet as below
>
>    "subnet6": [
>
>              {
>
>                  "subnet": "fd00:1:dead:beef::/64",
>
>                  "id": 1024,
>
>                  "interface": "bond0",
>
>                  "pools": [
>
>                      { "pool": "fd00:1:dead:beef::15-fd00:1:dead:beef::ffff" }
>
>                  ]
>
>              }
>
>          ]
>
> But somehow it is not able to allocate more than 65515 ip's in that
> subnet. Is there variable I can change to support more than that?
>
>



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