Debian 9 - incredible slow USB connection

[mauric]

Hello
backside my Firewall running vpn Server, on this server
plugged a ttyUSB0 connetion to a router. i need to connect this.

connecting over vpn this explained way over "ttyUSB0" the connection will by establish quick.
But to work is impossible, realy to slow. the router will only work with text, no gui.

- Internet connection are good
- File Copy over VPN Server2Server will by 20Mb/s
- possible VPN increase the speed?

how i can increase this issue?
regards

[mauric]

i found the solution thanks Mauri

root@HPT610: # cat CiscoStart.sh
modprobe -r ftdi_sio
modprobe -r pl2303
modprobe -r usbserial
modprobe ftdi_sio
modprobe pl2303
stty -F /dev/ttyUSB0 -a
stty -F /dev/ttyUSB0 9600 cs8 -cstopb -parenb
screen /dev/ttyUSB0 9600

solved yes!!

[mauric]

i found the solution thanks Mauri

root@HPT610: # cat CiscoStart.sh
modprobe -r ftdi_sio
modprobe -r pl2303
modprobe -r usbserial
modprobe ftdi_sio
modprobe pl2303
stty -F /dev/ttyUSB0 -a
stty -F /dev/ttyUSB0 9600 cs8 -cstopb -parenb
screen /dev/ttyUSB0 9600

solved yes!!

Don't say everything you know, but always know what you're saying.
from Matthias Claudius, August 15, 1740 in Reinfeld (Holstein); † January 21, 1815 in Hamburg)