Hello,
I working on a mesh (later on might be a full mesh) network with OpenVPN
and OSPF on the vpn links.
A brief summary of how would this network look like with 3 locations:
Location A ==> 10.0.1.0/24
PTP router links for tun interface 192.168.1.1<>192.168.1.2 A->B
PTP router links for tun interface 192.168.1.3<>192.168.1.4 A->C
Location B ==> 10.0.2.0/24
PTP router links for tun interface 192.168.1.1<>192.168.1.2 A->B
PTP router links for tun interface 192.168.1.5<>192.168.1.6 B->C
Location C ==> 10.0.3.0/24
PTP router links for tun interface 192.168.1.5<>192.168.1.6 B->C
PTP router links for tun interface 192.168.1.3<>192.168.1.4 A->C
Each link would run OSPF on top so for example if the connection between
A and B would go down the traffic would automatically routed through
A->C->B.
What is the best practice for this scenario, running 1 OpenVPN server
and 1 client per location or having multiple instances with p2p mode is
better?
For example this could be setup that only B and C are running in server
mode and A just connects back in client mode, that would mean that B and
C is using CCDs and certificate based names to give out ips for the
connecting peers and would also mean that in some case when there is 1
tun interface on the server it would might interfere with ospfs for 2
networks on 1 interface.
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