There is a difference between IPSec PSK (pre-shared key), and the L2TP secret.
You need to use the IPSec PSK (the one configured in “/ip ipsec peer”), but you must not use the L2TP secret.
There is a difference between IPSec PSK (pre-shared key), and the L2TP secret.
You need to use the IPSec PSK (the one configured in “/ip ipsec peer”), but you must not use the L2TP secret.