dhcpcd-discuss

Hi

On 11/11/2017 07:55, mijenix wrote:
> OpenBSD 6.2
> dhcpcd-6.11.5p4
>
> dhcpcd.conf
>
> noipv6rs
> ipv6only
> duid
> persistent
> option rapid_commit
> require dhcp_server_identifier
> nohook lookup-hostname resolv.conf
> allowinterfaces em0 em2
>
> interface em2
>          ia_pd 1 em0/1
>
> All works as expected but I wonder what those log messages mean, do I 
> have to be concerned?
>
> em2: no useable IA found in lease
> em2: failed to renew DHCPv6, rebinding
> em2: fe80::224:c4ff:fe73:b77f: DHCPv6 REPLY missing Prefix
> em2: no useable IA found in lease
> em2: failed to renew DHCPv6, rebinding
> em2: fe80::224:c4ff:fe73:b77f: DHCPv6 REPLY missing Prefix
> em2: no useable IA found in lease
> em2: failed to renew DHCPv6, rebinding
> em2: fe80::224:c4ff:fe73:b77f: DHCPv6 REPLY missing Prefix
> em2: no useable IA found in lease
>
> dhcpcd[16407]: em2: failed to renew DHCPv6, rebinding
> dhcpcd[16407]: em2: fe80::224:c4ff:fe73:b77f: em2: DHCPv6 REPLY missing 
> Prefix
> dhcpcd[16407]: em2: dhcpcd[16407]: em2: no useable IA found in lease

This means that you received an IA_PD lease but with no prefixes!
You should be able to verify this by looking at the DHCPv6 replies using 
either tcpdump or wireshark.

Yes, I would be concerned because any addresses currently assigned are 
not being renewed and will expire once vltime is up.

Roy