get the isrgrootx1 root certificate:
curl https://letsencrypt.org/certs/isrgrootx1.pem -o /etc/ssl/misc/isrgrootx1.pem
create the following config in /var/lib/iwd/c-base-crew.8021x
[Security] EAP-Method=PEAP EAP-Identity=<id> EAP-Phase2-Method=MSCHAPV2 EAP-PEAP-Phase2-Method=MSCHAPV2 EAP-PEAP-CACert=/etc/ssl/misc/isrgrootx1.pem EAP-PEAP-ServerDomainMask=radius.cbrp3.c-base.org EAP-PEAP-Phase2-Identity=<id> #dein c-base ldap user EAP-PEAP-Phase2-Password=<password> #dein c-base ldap passwort [Settings] AutoConnect=true
and connect:
iwctl station wlan0 connect c-base-crew