[Kea-users] Dhcpv6 server

João Butzke joao at naxi.com.br
Wed Mar 3 14:41:55 UTC 2021


Hi, we are trying to install kea as a dhcpv6-server, and we are having 
some problems with it.

First of all, the server(ubuntu 20.04) need to have an ipv6 address on 
the interface? if yes, the address needs to be in the pool?

Here is the server log when started:

naxi at dhcpv6:~/kea6$ 2021-03-02 20:42:09.551 INFO 
[kea-dhcp6.hosts/6206.139941705381376] HOSTS_BACKENDS_REGISTERED the 
following host backend types are available: mysql
2021-03-02 20:42:09.554 INFO [kea-dhcp6.dhcpsrv/6206.139941705381376] 
DHCPSRV_CFGMGR_ADD_IFACE listening on interface ens19
2021-03-02 20:42:09.555 INFO [kea-dhcp6.dhcpsrv/6206.139941705381376] 
DHCPSRV_CFGMGR_NEW_SUBNET6 a new subnet has been added to configuration: 
2804:15e4:8000::/36 with params: t1=1000, t2=2000, 
preferred-lifetime=3000, valid-lifetime=4000, rapid-commit is false
2021-03-02 20:42:09.556 INFO [kea-dhcp6.commands/6206.139941705381376] 
COMMAND_ACCEPTOR_START Starting to accept connections via unix domain 
socket bound to /tmp/kea6-ctrl-socket
2021-03-02 20:42:09.557 INFO [kea-dhcp6.dhcp6/6206.139941705381376] 
DHCP6_CONFIG_COMPLETE DHCPv6 server has completed configuration: added 
IPv6 subnets: 1; DDNS: disabled
2021-03-02 20:42:09.557 INFO [kea-dhcp6.dhcpsrv/6206.139941705381376] 
DHCPSRV_MYSQL_DB opening MySQL lease database: host=localhost name=kea 
password=***** port=3306 type=mysql universe=6 user=kea
2021-03-02 20:42:09.598 INFO [kea-dhcp6.hosts/6206.139941705381376] 
DHCPSRV_MYSQL_HOST_DB opening MySQL hosts database: host=localhost 
name=kea password=***** port=3306 type=mysql universe=6 user=kea
2021-03-02 20:42:09.651 INFO [kea-dhcp6.dhcp6/6206.139941705381376] 
DHCP6_USING_SERVERID server is using server-id 
00:01:00:01:27:cf:ff:37:16:41:55:fb:6b:16 and stores in the file 
/usr/local/var/lib/kea/kea-dhcp6-serverid
2021-03-02 20:42:09.655 WARN [kea-dhcp6.dhcp6/6206.139941705381376] 
DHCP6_MULTI_THREADING_INFO enabled: no, number of threads: 0, queue size: 0
2021-03-02 20:42:09.655 INFO [kea-dhcp6.dhcp6/6206.139941705381376] 
DHCP6_STARTED Kea DHCPv6 server version 1.8.2 started

There is no errors, but when i run a tcdump, there is no answered dhcp 
requests..

Best regards,

João Butzke



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