Hi,

I have S2S VPN connection between two omada (IPSEC, IKE2).
Site A: 2.0.1 Build 20220223 Rel.68551, initiator mode

Site B: 2.0.0 Build 20220106 Rel.56391, responder mode (because Site A has no fix ip)

On both sites omada act as DHCP server. Both network have static IP and DHCP assigned devices.

The strange is that from Site A I can ping every devices in Site B, but from Site B I can ping only DHCP assigned devices.

But if I add a DHCP reservation for a device (what is out of the normal DHCP range) I can reach that device.

For example:

Site A, DHCP range: 192.168.0.100-200

DeviceA1Static: 192.168.0.2

DeviceA2DHCP: 192.168.0.100

Site B, DHCP range: 192.168.1.100-200

DeviceB1Static: 192.168.1.2

DeviceB2DHCP: 192.168.1.100

Ping wokr well

from SiteA to any device on Site B,

from SiteB to any device on SiteA who has DHCP assigned address (example to DeviceA2DHCP),

but don't work to devices what has static IP (example to DeviceA1Static).
If I add DeviceA1Static to SiteA DHCP reservation list and of course I configure the device to use DHCP the ping works well.