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Route traffic after OpenVPN server

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The main purpose - remote access to the local network (video surveillance, smart home).

Input data: mikrotik router and server in the DigitalOcean.

Since mikrotik knows how to work with OpenVPN server only by login and password, I decided to run 2 OpenVPN servers:

  1. /etc/openvpn/server-mikrotik.conf:
...
server 10.0.1.0 255.255.255.0
route 192.168.88.0 255.255.255.0 10.0.1.2
route 192.168.1.0 255.255.255.0 10.0.1.2
...
  • /etc/openvpn/ccd/mikrotik:
ifconfig-push 10.0.1.2 255.255.255.0
iroute 192.168.88.0 255.255.255.0
iroute 192.168.1.0 255.255.255.0
  1. /etc/openvpn/server.conf:
...
server 10.0.2.0 255.255.255.0

push "redirect-gateway def1 bypass-dhcp"
push "dhcp-option DNS 1.1.1.1"
...

The problem is: a client connected to server 2 can ping both OpenVPN servers, but cannot ping clients of server 1. client-to-client setting is disabled (to use host route table), it isn't working with enabled thou.

From the DO droplet I can ping any machine within 192.168.. networks, route table:

# route
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
default         **masked**      0.0.0.0         UG    0      0        0 eth0
10.0.1.0        10.0.1.2        255.255.255.0   UG    0      0        0 tun1
10.0.1.2        0.0.0.0         255.255.255.255 UH    0      0        0 tun1
10.0.2.0        10.0.2.2        255.255.255.0   UG    0      0        0 tun0
10.0.2.2        0.0.0.0         255.255.255.255 UH    0      0        0 tun0
10.18.0.0       0.0.0.0         255.255.0.0     U     0      0        0 eth0
178.62.192.0    0.0.0.0         255.255.192.0   U     0      0        0 eth0
192.168.1.0     10.0.1.2        255.255.255.0   UG    0      0        0 tun1
192.168.88.0    10.0.1.2        255.255.255.0   UG    0      0        0 tun1

poor visualization

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