DHCPv6 Renewal always gives new IPv6 address

[FlangeMonkey]

I have an odd issues, where when a device restarts DHCPv6 is always giving the client a new IPv6 address.

Within the leave on "ICP DHCPv6" I see the following (attached)



Any idea's the leave times are default?

[Melroy vd Berg]

I'm just guessing, but did you provide the dhcp identifier has "mac address" in your client device?

Not sure what you're using. Under Ubuntu for example you have a tool called netplan (not a fan of it.. but it is what it is). And via netplan I can configure under the correct interface:

Code Select Expand

dhcp-identifier: mac

So in that case I would expect the DHCPv6 server to identify that it is indeed the same server, since the mac address didn't change?