Как соединить zyxel keenetic omni II и zyxel keenetic start при помощи VPN?

Дано:
два офиса
офис 1 zyxel keenetic omni 2 (vpn сервер) clip2net.com/s/3Jtpzd1 все настройки их немного
офис 2 zyxel keenteic start (клиент vpn) c2n.me/3JtpLyp все настройки их немного
логи с сервера [I] Apr 13 10:22:01 pptpd[2415]: CTRL: Client 212.76.26.8 control connection started
[I] Apr 13 10:22:02 ndm: kernel: Fast VPN ctrl: setup for src 212.76.**.**
[I] Apr 13 10:22:02 pptpd[2415]: CTRL: Starting call (launching pppd, opening GRE)
[I] Apr 13 10:22:02 pptp[2416]: Plugin pptp.so loaded.
[I] Apr 13 10:22:02 pptp[2416]: PPTP plugin version 0.8.3 compiled against pppd 2.4.4-4
[I] Apr 13 10:22:02 pptp[2416]: pppd 2.4.4-4 started by root, uid 0
[I] Apr 13 10:22:02 pptp[2416]: Using interface vpn1
[I] Apr 13 10:22:02 pptp[2416]: Connect: vpn1 <--> pptp (212.76.**.**)
[I] Apr 13 10:22:24 ndm: UPnP::Manager: redirect and forward rules deleted: udp 58289.
[I] Apr 13 10:22:24 ndm: UPnP::Manager: redirect rule added: udp L2TP0:58289 -> 192.168.1.173:58289.
[I] Apr 13 10:22:24 ndm: UPnP::Manager: forward rule added: udp L2TP0 -> 192.168.1.173:58289.
[I] Apr 13 10:22:26 ndm: UPnP::Manager: redirect and forward rules deleted: udp 58289.
[I] Apr 13 10:22:26 ndm: UPnP::Manager: redirect rule added: udp L2TP0:58289 -> 192.168.1.173:58289.
[I] Apr 13 10:22:26 ndm: UPnP::Manager: forward rule added: udp L2TP0 -> 192.168.1.173:58289.
[W] Apr 13 10:22:32 pptp[2416]: LCP: timeout sending Config-Requests
[I] Apr 13 10:22:32 pptp[2416]: Connection terminated.
[I] Apr 13 10:22:32 ndm: kernel: Fast VPN ctrl: release for src 212.76.**.**
[I] Apr 13 10:22:32 pptp[2416]: Modem hangup
[I] Apr 13 10:22:32 pptp[2416]: Exit.
[I] Apr 13 10:22:32 pptpd[2415]: CTRL: Reaping child PPP[2416]
[I] Apr 13 10:22:32 pptpd[2415]: CTRL: Client pppd TERM sending
[I] Apr 13 10:22:32 pptpd[2415]: CTRL: Client pppd finish wait
[I] Apr 13 10:22:32 pptpd[2415]: CTRL: Client 212.76.**.** control connection finished
[I] Apr 13 10:22:35 pptpd[2450]: CTRL: Client 212.76.**.** control connection started
[I] Apr 13 10:22:36 ndm: kernel: Fast VPN ctrl: setup for src 212.76.**.**
[I] Apr 13 10:22:36 pptpd[2450]: CTRL: Starting call (launching pppd, opening GRE)
[I] Apr 13 10:22:36 pptp[2452]: Plugin pptp.so loaded.
[I] Apr 13 10:22:36 pptp[2452]: PPTP plugin version 0.8.3 compiled against pppd 2.4.4-4
[I] Apr 13 10:22:36 pptp[2452]: pppd 2.4.4-4 started by root, uid 0
[I] Apr 13 10:22:36 pptp[2452]: Using interface vpn1
[I] Apr 13 10:22:36 pptp[2452]: Connect: vpn1 <--> pptp (212.76.**.**)
[I] Apr 13 10:22:42 pptpd[2450]: CTRL: Reaping child PPP[2452]
[I] Apr 13 10:22:42 pptpd[2450]: CTRL: Client pppd TERM sending
[I] Apr 13 10:22:42 pptpd[2450]: CTRL: Client pppd finish wait
[I] Apr 13 10:22:42 pptp[2452]: Modem hangup
[I] Apr 13 10:22:42 pptp[2452]: Connection terminated.
[I] Apr 13 10:22:42 ndm: kernel: Fast VPN ctrl: release for src 212.76.**.**
[I] Apr 13 10:22:42 pptp[2452]: Exit.
[I] Apr 13 10:22:42 pptpd[2450]: CTRL: Client 212.76.**.** control connection finished
Логи клиент
Apr 13 10:22:00pptp[565]PPTP plugin version 0.8.3 compiled against pppd 2.4.4-4
Apr 13 10:22:00pptp[565]pppd 2.4.4-4 started by root, uid 0
Apr 13 10:22:00ndmNetwork::Interface::PPTP: added host route to 176.222.**.** via L2TP0.
Apr 13 10:22:00pptp[569]IP: 176.222.**.**
Apr 13 10:22:00pptp[569]control connection
Apr 13 10:22:00pptp[569]unix_sock
Apr 13 10:22:00pptp[570]enable echo requests (30:3)
Apr 13 10:22:00pptp[570]Sent control packet type is 1 'Start-Control-Connection-Request'
Apr 13 10:22:00pptp[570]Received Start Control Connection Reply
Apr 13 10:22:00pptp[570]Client connection established.
Apr 13 10:22:01pptp[570]Sent control packet type is 7 'Outgoing-Call-Request'
Apr 13 10:22:01pptp[570]Received Outgoing Call Reply.
Apr 13 10:22:01pptp[570]Outgoing call established (call ID 69, peer's call ID 76).
Apr 13 10:22:01pptp[565]Using interface ppp1
Apr 13 10:22:01pptp[565]Connect: ppp1 <--> pptp (mira*******.ddns.net)
Apr 13 10:22:09ndmCore::ConfigurationSaver: configuration saved.
Apr 13 10:22:31pptp[565]LCP: timeout sending Config-Requests
Apr 13 10:22:31pptp[565]Connection terminated.
Apr 13 10:22:31pptp[570]Call disconnect notification received (call id 76)
Apr 13 10:22:31pptp[570]Received Stop Control Connection Request.
Apr 13 10:22:31pptp[570]Sent control packet type is 4 'Stop-Control-Connection-Reply'
Apr 13 10:22:31pptp[570]Closing connection (shutdown)
Apr 13 10:22:31pptp[570]Sent control packet type is 12 'Call-Clear-Request'
Apr 13 10:22:31pptp[570]read returned zero, peer has closed
Apr 13 10:22:31pptp[570]Closing connection (call state)
Apr 13 10:22:31pptp[565]Modem hangup
Apr 13 10:22:31pptp[565]Exit.
Apr 13 10:22:31ndmService: "PPTP0": unexpectedly stopped.
Apr 13 10:22:31ndmNetwork::Interface::Base: "PPTP0": interface is up.
Apr 13 10:22:34pptp[572]Plugin pptp.so loaded.
Apr 13 10:22:34pptp[572]PPTP plugin version 0.8.3 compiled against pppd 2.4.4-4
Apr 13 10:22:34pptp[572]pppd 2.4.4-4 started by root, uid 0
Apr 13 10:22:34ndmNetwork::Interface::PPTP: added host route to 176.222.**.** via L2TP0.
Apr 13 10:22:34pptp[576]IP: 176.222.**.**
Apr 13 10:22:34pptp[576]control connection
Apr 13 10:22:34pptp[576]unix_sock
Apr 13 10:22:34pptp[577]enable echo requests (30:3)
Apr 13 10:22:34pptp[577]Sent control packet type is 1 'Start-Control-Connection-Request'
Apr 13 10:22:34pptp[577]Received Start Control Connection Reply
Apr 13 10:22:34pptp[577]Client connection established.
Apr 13 10:22:35pptp[577]Sent control packet type is 7 'Outgoing-Call-Request'
Apr 13 10:22:35pptp[577]Received Outgoing Call Reply.
Apr 13 10:22:35pptp[577]Outgoing call established (call ID 70, peer's call ID 77).
Apr 13 10:22:35pptp[572]Using interface ppp1
Apr 13 10:22:35pptp[572]Connect: ppp1 <--> pptp (mira*****.ddns.net)
Apr 13 10:22:41ndmNetwork::Interface::Base: "PPTP0": interface is down.
Apr 13 10:22:42ndmNetwork::Interface::IP: "PPTP0": interface is non-global.
Apr 13 10:22:42ndmNetwork::Interface::Base: "PPTP0": description saved.
Apr 13 10:22:42pptp[572]Modem hangup
Apr 13 10:22:42pptp[572]Connection terminated.
Apr 13 10:22:42pptp[577]Closing connection (unhandled)
Apr 13 10:22:42pptp[577]Sent control packet type is 12 'Call-Clear-Request'
Apr 13 10:22:42pptp[577]Closing connection (call state)
Apr 13 10:22:42pptp[572]Exit.
Apr 13 10:22:42ndmNetwork::Interface::PPP: disabled connection.
Apr 13 10:22:42ndmDns::InterfaceSpecific: static name server list cleared on PPTP0.
Apr 13 10:22:42ndmDhcp::Client: started DHCP client on PPTP0.
Apr 13 10:22:42ndmNetwork::Interface::IP: "PPTP0": IP address cleared.
Apr 13 10:22:42ndmCore::ConfigurationSaver: saving configuration...
Apr 13 10:22:42ndmNetwork::Interface::Base: "PPTP0": interface is down.
Apr 13 10:22:52ndmCore::ConfigurationSaver: configuration saved.

оба зухеля подключаются к сети интернет через L2TP
с компьютера без проблем подключаюсь к серверу с такими настройками c2n.me/3JtrDF1 c2n.me/3JtrMQH

подскажите в чем проблема!?