Yealink VPN connects but cannot get a DHCP address



  • I feel like I'm hitting a wall....I can't really figure out where I need to go next to troubleshoot this.

    I'm using a tap connection.

    Using the "Client Export" to create a XP client I can connect to the VPN and obtain a DHCP IP address.

    Using exactly the same settings but exporting it to a "T38G (2) / V83" I can connect the VPN but will never receive a DHCP address. [I did manually add the line "comp-lzo" to the client config because the OpenVPN logs conplained about missing comp-lzo along with MTU sizing issue w/o it ]

    pfSense OpenVPN logs -
    Mar 22 19:48:17 openvpn 75813 Ph1CN/104.224.54.102:1194 peer info: IV_TCPNL=1
    Mar 22 19:48:17 openvpn 75813 Ph1CN/104.224.54.102:1194 peer info: IV_COMP_STUBv2=1
    Mar 22 19:48:17 openvpn 75813 Ph1CN/104.224.54.102:1194 peer info: IV_COMP_STUB=1
    Mar 22 19:48:17 openvpn 75813 Ph1CN/104.224.54.102:1194 peer info: IV_LZO=1
    Mar 22 19:48:17 openvpn 75813 Ph1CN/104.224.54.102:1194 peer info: IV_LZ4v2=1
    Mar 22 19:48:17 openvpn 75813 Ph1CN/104.224.54.102:1194 peer info: IV_LZ4=1
    Mar 22 19:48:17 openvpn 75813 Ph1CN/104.224.54.102:1194 peer info: IV_PROTO=2
    Mar 22 19:48:17 openvpn 75813 Ph1CN/104.224.54.102:1194 peer info: IV_PLAT=linux
    Mar 22 19:48:17 openvpn 75813 Ph1CN/104.224.54.102:1194 peer info: IV_VER=2.4.2

    Yealink (OpenVPN) log entries -
    <29>Mar 22 00:00:15 openvpn[1275]: TCP/UDP: Preserving recently used remote address: [AF_INET]104.224.54.101:1195
    <29>Mar 22 00:00:15 openvpn[1275]: UDP link local (bound): [AF_INET][undef]:1194
    <29>Mar 22 00:00:15 openvpn[1275]: UDP link remote: [AF_INET]104.224.54.101:1195
    <27>Mar 22 00:00:15 openvpn[1275]: write UDP: Network is unreachable (code=101)
    <29>Mar 22 00:00:15 openvpn[1275]: Network unreachable, restarting
    <29>Mar 22 00:00:15 openvpn[1275]: tun/tap down--init.c, 1923----

    pfSense - 2.4.4-RELEASE-p3 (amd64)
    Yealink (t46G) - FW 28.83.0.120

    Thanks!


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