Hi,
Maybe this diagram can help:
https://www.synology-forum.nl/index.php?action=dlattach;ts=1553627617;topic=32044.0;attach=44587;image
W.k.r. Pippin
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‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On Monday 4 November 2019 05:16, Leroy Tennison via Openvpn-users
<openvpn-users@lists.sourceforge.net> wrote:
> I previously believed that all IP network communication was done at layer 2
> via arp and transmitting to the MAC address of the system responding for it's
> IP address. Then I realized that OpenVPN doesn't have MAC addresses, so how
> does communication coming into an OpenVPN server from a non-OpenVPN interface
> get to OpenVPN's tun interface? Is there a Linux facility to examine the
> routing table and transfer the inbound packet to the interface irrespective
> of MAC address? If so, can you tell me what it is or point me to some
> documentation about it? Thanks for the help.
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