IKE_SA failed, peer not responding, Firebox behind FritzBox
following szenario (Germany):
Internet - Fritzbox (DSL Router) - Firebox eth0 - eth1 local network
Configured IKEv2 and imported into StrongSwan on my andorid.
Have DynDNS running.
While trying to connct via VPN with my network I get error message in StrongSwan log:
initiating IKE_SA android to (my IP address)
generating IKE_SA_INIT request 0 [ SA KE No N(NATD_S_IP) N(NAT_D_IP) N(FRAG_SUP) N(HASH_ALG) N(REDIR_SUP)]
sending packet... message ID 0
establishing IKE_SA failed, peer not responding...
I think I cannot go through my first NAT the fritzbox. What shall I do?
Thanks for help?