[Kea-users] pefdhcp help

Nicolas Javier Pantazis nicolasjavierp at gmail.com
Fri Sep 8 12:45:53 UTC 2017


Hello Francis, good morning. Thank you for the reply, they do match here is
the output of the dhcpdump:

(Consider that client is ::3 and server is ::2 )

19:11:48.300472 IP6 2001:db8:beef:55::3 > ff02::1:ff00:2: ICMP6, neighbor
solicitation, who has 2001:db8:beef:55::2, length 32

19:11:48.300531 IP6 2001:db8:beef:55::2 > 2001:db8:beef:55::3: ICMP6,
neighbor advertisement, tgt is 2001:db8:beef:55::2, length 32

19:11:48.300621 IP6 2001:db8:beef:55::3.dhcpv6-client >
2001:db8:beef:55::2.dhcpv6-server: dhcp6 solicit

19:11:48.300635 IP6 2001:db8:beef:55::3.dhcpv6-client >
2001:db8:beef:55::2.dhcpv6-server: dhcp6 solicit

19:11:48.300645 IP6 2001:db8:beef:55::3.dhcpv6-client >
2001:db8:beef:55::2.dhcpv6-server: dhcp6 solicit

19:11:48.300660 IP6 2001:db8:beef:55::3.dhcpv6-client >
2001:db8:beef:55::2.dhcpv6-server: dhcp6 solicit

19:11:48.300670 IP6 2001:db8:beef:55::3.dhcpv6-client >
2001:db8:beef:55::2.dhcpv6-server: dhcp6 solicit

19:11:48.300693 IP6 2001:db8:beef:55::3.dhcpv6-client >
2001:db8:beef:55::2.dhcpv6-server: dhcp6 solicit

19:11:48.300717 IP6 2001:db8:beef:55::3.dhcpv6-client >
2001:db8:beef:55::2.dhcpv6-server: dhcp6 solicit

19:11:48.300749 IP6 2001:db8:beef:55::3.dhcpv6-client >
2001:db8:beef:55::2.dhcpv6-server: dhcp6 solicit


The issue is very strange that is why I need your help. The strange thing
is that perfdhcp worked perfectly for ipv4.

Thank you again



On Thu, Sep 7, 2017 at 9:13 PM, Francis Dupont <fdupont at isc.org> wrote:

> Can you check solicits are sent to an address the server is listen to?
> (you should have the destination address in your dump, for the server
> lsof displays open file (including socket) details).
> If not match, you should modify the perfdhcp argument or the Kea server
> config (cf interface configuration in DHCPv4 server guide).
>
> Regards
>
> Francis Dupont <fdupont at isc.org>
>



-- 
Nicolas Javier Pantazis

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