State Down, Link Up - no internet on 2nd WAN

Hello there,


we have a SG210 (SG) running on UTM 9.701-6. We are currently switching to another ISP.

The current internet comes in on eth1 via PPPoE and works fine. 

Now a technician of the ISP was/is here and installed a LANCOM-Router (LR) infront of the SG. The LR opens his own network at and does not have DHCP enabled. 

I configured eth4 of the SG to use these settings:

In the uplink balancing tab the "Telekom Internet" is above the old connection:


Currently I have no clue on what to do and why it is not working as expected. If you need any more information please let me know.