In trying to speed up my VPN I just purchased the AC68 in addition to the N66. I can confirm the commands in this thread work on the AC68, but not the N66. Not sure why, but everything works perfectly with the AC68.
That's pretty much the basis of what I did. Telnet in, execute the NVRAM commands:
nvram set modem_pin=""
nvram set wan_iface=usb0
nvram set wan_ifname=usb0
nvram set wan_ifnames=usb0
nvram set wan_ifnameX=usb0
nvram commit
Then log into the interface, go to administration ->...
http://www.touch.com.lb
I ended up just installing the latest version of Tomato by Shibby. Just a few command lines and everything is working. I'll wait for the next firmware release from Asus to re-evaluate going back to stock or Merlin.
Small progress. With dual WAN enabled and the GSM modem specifically listed as backup (not primary) I am able to get a steady blue light with this script:
#!/bin/sh
sleep 120
logger "Preparing to send command to USB Modem"
echo -e "AT^NDISDUP=1,1,\"touch\"\r" > /dev/ttyUSB0
sleep 15...
I recently picked up the Huawei e3272 based on the listing on the Asus website of compatible 4G USB sticks and I'm also getting the error:
udhcpc: SIOCGIFINDEX: No such device
I got it on the latest Asus firmware, and also on the current merlin FW. Looking at dmesg when i insert the stick...