Hi there, Thank you very much. I was under the impression the routes were OSPF generated but it makes a lot of sense RTS_DEVICE is the culprit. I'll give it a try. Enjoy your day! Regards, Kees On 19-06-2019 21:46, bauen1 wrote: > The duplicate routes can most likely be filtered by ignoring routes with > 'source = RTS_DEVICE', for example: