Hi,
here Nevio, from Italy. I'm new in the forum.
I'm playing with a BeagleBone Black C with debian 7.5 2014-07-06 version.
The BBB is connected to the local network with internet access, and I run
it with ssh.
I have connected also a usb internet-key (Huawei E3131) that work out of
the box. This internet key is different from the others because it is seen
as an ethernet device, not usb device.
I am having trouble with configuring which internet connection the system
has to use.
In particular I would like the BBB use the internet connection via LAN if
the internet via LAN is up, else the other connection (via usb internet
key).
I have configured the two eth connections with different priorities
(/etc/network/interfaces), however if the LAN has no internet connection
the system don't use the usb-key.
I post my config file.
eth0 = wired connection, gateway 192.168.0.1
eth1 = via usb internet key, gateway 192.168.1.1
debian@arm:~$ ping 8.8.8.8
PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
>From 192.168.0.1 icmp_seq=1 Destination Net Unreachable
>From 192.168.0.1 icmp_seq=2 Destination Net Unreachable
>From 192.168.0.1 icmp_seq=3 Destination Net Unreachable
>From 192.168.0.1 icmp_seq=4 Destination Net Unreachable
>From 192.168.0.1 icmp_seq=5 Destination Net Unreachable
^C
--- 8.8.8.8 ping statistics ---
9 packets transmitted, 0 received, +9 errors, 100% packet loss, time 8012ms
debian@arm:~$ ping -I eth1 8.8.8.8
PING 8.8.8.8 (8.8.8.8) from 192.168.0.14 eth1: 56(84) bytes of data.
64 bytes from 8.8.8.8: icmp_req=3 ttl=43 time=658 ms
64 bytes from 8.8.8.8: icmp_req=2 ttl=43 time=1687 ms
64 bytes from 8.8.8.8: icmp_req=1 ttl=43 time=2687 ms
64 bytes from 8.8.8.8: icmp_req=4 ttl=43 time=47.6 ms
^C
--- 8.8.8.8 ping statistics ---
8 packets transmitted, 7 received, 12% packet loss, time 7003ms
rtt min/avg/max/mdev = 47.670/899.876/2687.464/921.850 ms, pipe 3
debian@arm:~$ sudo route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use
Iface
0.0.0.0 192.168.0.1 0.0.0.0 UG 0 0 0 eth0
0.0.0.0 192.168.1.1 0.0.0.0 UG 10 0 0 eth1
192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1
192.168.7.0 0.0.0.0 255.255.255.252 U 0 0 0 usb0
debian@arm:~$ nano /etc/network/interfaces
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
# The loopback network interface
auto lo
iface lo inet loopback
# The primary network interface
auto eth0
iface eth0 inet static
address 192.168.0.14
netmask 255.255.255.0
gateway 192.168.0.1
# Example to keep MAC address between reboots
#hwaddress ether DE:AD:BE:EF:CA:FE
# The secondary network interface
auto eth1
allow-hotplug eth1
#allow-auto eth1
iface eth1 inet static
address 192.168.1.100
netmask 255.255.255.0
gateway 192.168.1.1
metric 10
# WiFi Example
#auto wlan0
#iface wlan0 inet dhcp
# wpa-ssid "essid"
# wpa-psk "password"
# Ethernet/RNDIS gadget (g_ether)
# ... or on host side, usbnet and random hwaddr
# Note on some boards, usb0 is automaticly setup with an init script
iface usb0 inet static
address 192.168.7.2
netmask 255.255.255.0
network 192.168.7.0
gateway 192.168.7.1
--
For more options, visit http://beagleboard.org/discuss
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