The root cause was asymmetric routing: the initial packet from 10.62.70.59 reached its destination via a direct path (likely bypassing OPNsense), but the response went back through OPNsense, which dropped it due to missing state.
Also, it's crucial to use standard network terminology.
The term "KSPD" is not a recognized networking acronym and only leads to confusion. If it's a VPN or site-to-site tunnel, refer to it as such.
Also, it's crucial to use standard network terminology.
The term "KSPD" is not a recognized networking acronym and only leads to confusion. If it's a VPN or site-to-site tunnel, refer to it as such.