content-type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-RT-Original-Encoding: utf-8 Content-ID: <1B1FD1B894E14546BB49371B4CBE3805@emea.cisco.com> Content-Length: 346 Hi Thomas, Thanks for the email and the status. I enclosed a file which has my testing of this feature with IPv4 and IPv6. In IPv6 I have two relay agents both use non-DHCP UDP ports. The file has the topology, the command line parameters, and the client and server configuration files. Just for your reference. Best Regards, - Naiming Shen