Client access to multiple subnets

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  • carlb
    Junior Member
    • Apr 2024
    • 4

    Client access to multiple subnets

    The situation is I have two subnets, both of which the server has full access. However, the client can only access ONE of the private subnets even though BOTH of the servers IP addresses (primary and secondary IP addresses) are accessible by the client. Of course the openvpn server has full access to both subnets.

    Please refer to the uploaded screen shots showing the server clearly has access to both subnets, but the client can only get to the server and ONE of the subnets totally, (can not ping gateway of secondary subnet 192.168.1.1)

    SO:
    OPENVPN Server access both private gateways ok (192.168.0.1 AND 192.168.1.1)
    CLIENT may access openvpn server via either of it's private address.
    CLIENT may access 192.168.0.1 gateway ok
    CLIENT is NOT able to access secondary private gateway 192.168.0.1
    CLIENT IS remote and using OPENVPN client



  • openvpn_inc
    Administrator
    • Mar 2024
    • 11

    #2
    Hello,

    You can place a TCPDUMP in the Linux Machine where your OpenVPN Access Server is hosted to check what's happening with the traffic that's not working

    Below is an example of the TCPDUMP:

    tcpdump -eni any icmp

    So, then you can try to PING from your VPN Client to both of the Destination IPs behing your OpenVPN Access Server and check what's happening

    Best Regards,

    DynamoX
    OpenVPN Inc.
    Answers provided by OpenVPN Inc. staff members here are provided on a voluntary best-effort basis, and no rights can be claimed on the basis of answers posted in this public forum. If you wish to get official support from OpenVPN Inc. please use the official support ticket system: https://openvpn.net/support​

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