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Storophanthus

ASUS RT-N66U on Merlyn 380_70

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Posted ... (edited)

Hello, I have  problems configuring AirVPN on Asus RT-N66U, running ASUSMerlyn (downloaded from https://www.asuswrt-merlin.net/download), it was the latest Merlyn supported for the model, before they  cut it.
The error said "Error - check configuration!" , with some messages on Authorization Mode and NAT tunnel, see picture below:



ASUS_Wireless_Router_RT-N66U_-_OpenVPN_Client_Settings.thumb.png.96379c3f873fe1aec13f57b389e54704.png

I selected "routers" on config generator. Here is the log :
 


Mar  8 11:45:17 rc_service: httpd 1028:notify_rc start_vpnclient3
Mar  8 11:45:17 openvpn[6310]: OpenVPN 2.4.3 mipsel-unknown-linux-gnu [SSL (OpenSSL)] [LZO] [LZ4] [EPOLL] [MH/PKTINFO] [AEAD] built on Apr  8 2018
Mar  8 11:45:17 openvpn[6310]: library versions: OpenSSL 1.0.2n  7 Dec 2017, LZO 2.08
Mar  8 11:45:17 openvpn[6312]: NOTE: the current --script-security setting may allow this configuration to call user-defined scripts
Mar  8 11:45:17 openvpn[6312]: Outgoing Control Channel Authentication: Using 160 bit message hash 'SHA1' for HMAC authentication
Mar  8 11:45:17 openvpn[6312]: Incoming Control Channel Authentication: Using 160 bit message hash 'SHA1' for HMAC authentication
Mar  8 11:45:17 openvpn[6312]: TCP/UDP: Preserving recently used remote address: [AF_INET]185.200.117.130:443
Mar  8 11:45:17 openvpn[6312]: Socket Buffers: R=[118784->118784] S=[118784->118784]
Mar  8 11:45:17 openvpn[6312]: UDP link local: (not bound)
Mar  8 11:45:17 openvpn[6312]: UDP link remote: [AF_INET]185.200.117.130:443
Mar  8 11:45:17 openvpn[6312]: TLS: Initial packet from [AF_INET]185.200.117.130:443, sid=c2b7679a 9046c246
Mar  8 11:45:17 openvpn[6312]: VERIFY OK: depth=1, C=IT, ST=IT, L=Perugia, O=airvpn.org, CN=airvpn.org CA, emailAddress=info@airvpn.org
Mar  8 11:45:17 openvpn[6312]: VERIFY KU OK
Mar  8 11:45:17 openvpn[6312]: Validating certificate extended key usage
Mar  8 11:45:17 openvpn[6312]: ++ Certificate has EKU (str) TLS Web Server Authentication, expects TLS Web Server Authentication
Mar  8 11:45:17 openvpn[6312]: VERIFY EKU OK
Mar  8 11:45:17 openvpn[6312]: VERIFY OK: depth=0, C=IT, ST=IT, L=Perugia, O=airvpn.org, CN=Hydra, emailAddress=info@airvpn.org
Mar  8 11:45:23 openvpn[6312]: Control Channel: TLSv1.2, cipher TLSv1/SSLv3 DHE-RSA-AES256-GCM-SHA384, 4096 bit RSA
Mar  8 11:45:23 openvpn[6312]: [Hydra] Peer Connection Initiated with [AF_INET]185.200.117.130:443
Mar  8 11:45:24 openvpn[6312]: SENT CONTROL [Hydra]: 'PUSH_REQUEST' (status=1)
Mar  8 11:45:24 openvpn[6312]: PUSH: Received control message: 'PUSH_REPLY,comp-lzo no,redirect-gateway ipv6 def1 bypass-dhcp,dhcp-option DNS 10.19.100.1,dhcp-option DNS6 fde6:7a:7d20:f64::1,tun-ipv6,route-gateway 10.19.100.1,topology subnet,ping 10,ping-restart 60,ifconfig-ipv6 fde6:7a:7d20:f64::10b9/64 fde6:7a:7d20:f64::1,ifconfig 10.19.100.187 255.255.255.0,peer-id 4,cipher AES-256-GCM'
Mar  8 11:45:24 openvpn[6312]: Note: option tun-ipv6 is ignored because modern operating systems do not need special IPv6 tun handling anymore.
Mar  8 11:45:24 openvpn[6312]: OPTIONS IMPORT: timers and/or timeouts modified
Mar  8 11:45:24 openvpn[6312]: OPTIONS IMPORT: compression parms modified
Mar  8 11:45:24 openvpn[6312]: OPTIONS IMPORT: --ifconfig/up options modified
Mar  8 11:45:24 openvpn[6312]: OPTIONS IMPORT: route options modified
Mar  8 11:45:24 openvpn[6312]: OPTIONS IMPORT: route-related options modified
Mar  8 11:45:24 openvpn[6312]: OPTIONS IMPORT: --ip-win32 and/or --dhcp-option options modified
Mar  8 11:45:24 openvpn[6312]: OPTIONS IMPORT: peer-id set
Mar  8 11:45:24 openvpn[6312]: OPTIONS IMPORT: adjusting link_mtu to 1625
Mar  8 11:45:24 openvpn[6312]: /usr/sbin/ip link set dev tun13 up mtu 1500
Mar  8 11:45:24 openvpn[6312]: /usr/sbin/ip addr add dev tun13 10.19.100.187/24 broadcast 10.19.100.255
Mar  8 11:45:24 openvpn[6312]: Linux ip addr add failed: external program exited with error status: 2
Mar  8 11:45:24 openvpn[6312]: Exiting due to fatal error

I only have three days premium access to Airvpn, and will based on my purchase to this resolved issue.

Thanks.




My Asus router is connected to my ISP-provided router.

ISP-router gateway is 192.168.1.1
Asus-router gateway is 192.168.2.1
DHCP and DNS are all automatic.




  Edited ... by Storophanthus

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