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My Galileo Gen 2 is connected to my laptop ethernet and when I type ifconfig in the terminal, I am getting two ethernet host with same name (enp0s20f6) and same Hardware Address. Why there is two ethernet host when I have only one?
root@galileo:~# ifconfig
enp0s20f6 Link encap:Ethernet HWaddr 98:4F:EE:01:CC:89
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:583 errors:0 dropped:0 overruns:0 frame:0
TX packets:260 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:63482 (61.9 KiB) TX bytes:103044 (100.6 KiB)
Interrupt:49 Base address:0x8000
enp0s20f6:avahi Link encap:Ethernet HWaddr 98:4F:EE:01:CC:89
inet addr:169.254.9.12 Bcast:169.254.255.255 Mask:255.255.0.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Interrupt:49 Base address:0x8000
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:1323888 errors:0 dropped:0 overruns:0 frame:0
TX packets:1323888 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:101916368 (97.1 MiB) TX bytes:101916368 (97.1 MiB)
Where as when I connect the galileo to wifi router's lan, only one ethernet host is displayed:
root@galileo:~# ifconfig
enp0s20f6 Link encap:Ethernet HWaddr 98:4F:EE:01:CC:89
inet addr:192.168.1.123 Bcast:192.168.1.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:2030 errors:0 dropped:0 overruns:0 frame:0
TX packets:2522 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:289213 (282.4 KiB) TX bytes:268478 (262.1 KiB)
Interrupt:49 Base address:0x8000
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:1966 errors:0 dropped:0 overruns:0 frame:0
TX packets:1966 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:207571 (202.7 KiB) TX bytes:207571 (202.7 KiB)
Now the problem is I couldn't share my laptop internet to galileo via Lan (by following this http://www.instructables.com/id/Intel-Galileo-Share-LaptopPC-WiFi-to-Galileo-over-/ instructable)
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Hi Vijayenth,
you have one physical and one logical interface. See https://en.wikipedia.org/wiki/Subinterface https://en.wikipedia.org/wiki/Subinterface
The name of subinterface/logical interface is enp0s20f6:avahi.
I guess this software is on your board: https://en.wikipedia.org/wiki/Avahi_%28software%29 Avahi (software) - Wikipedia, the free encyclopedia
BR,
xbolshe
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Hi Vijayenth,
Are you having errors after the last step of the tutorial?
Which is the output of running uname -a?
Did you enable the sharing option on your network?
Regards,
Charlie
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Hi CMata_Intel
root@galileo:~# uname -a
Linux galileo 3.8.7-yocto-standard # 1 Tue Jun 9 22:07:14 GMT 2015 i586 GNU/Linux
I enabled the internet sharing option in my laptop. I didn't get any error in the last step of the tutorial.
Result of ipconfig command in laptop:
Ethernet adapter Ethernet:
Connection-specific DNS Suffix . :
Link-local IPv6 Address . . . . . : fe80::1c93:a43b:adff:3cba%7
IPv4 Address. . . . . . . . . . . : 192.168.137.1
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . :
Wireless LAN adapter Wi-Fi:
Connection-specific DNS Suffix . :
Link-local IPv6 Address . . . . . : fe80::146a:18cb:b116:870b%11
IPv4 Address. . . . . . . . . . . : 192.168.0.131
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.0.1
Result of ifconfig in Galileo:
enp0s20f6 Link encap:Ethernet HWaddr 98:4F:EE:01:CB:58
inet addr:192.168.137.4 Bcast:192.168.137.255 Mask:255.255.255.0
inet6 addr: fe80::9a4f:eeff:fe01:cb58/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:596 errors:0 dropped:0 overruns:0 frame:0
TX packets:90 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:59942 (58.5 KiB) TX bytes:17676 (17.2 KiB)
Interrupt:50
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:2891 errors:0 dropped:0 overruns:0 frame:0
TX packets:2891 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:211632 (206.6 KiB) TX bytes:211632 (206.6 KiB)
Still internet connection is not working in the galileo. Any workaround to solve this problem?
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Hi,
please provide an output of command sequence below (on Galileo board):
route
route add default gw 192.168.137.1
ping 8.8.8.8
nslookup www.intel.com
ping www.intel.com
BR,
xbolshe
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Hi xbolshe
Here's the output in order:
root@galileo:~# route
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
default * 0.0.0.0 U 0 0 0 enp0s20f 6
192.168.137.0 * 255.255.255.0 U 0 0 0 enp0s20f 6
root@galileo:~# route add default gw 192.168.137.1
root@galileo:~# ping 8.8.8.8
PING 8.8.8.8 (8.8.8.8): 56 data bytes
64 bytes from 8.8.8.8: seq=0 ttl=56 time=19.694 ms
64 bytes from 8.8.8.8: seq=1 ttl=56 time=32.068 ms
64 bytes from 8.8.8.8: seq=2 ttl=56 time=24.971 ms
^C
--- 8.8.8.8 ping statistics ---
3 packets transmitted, 3 packets received, 0% packet loss
round-trip min/avg/max = 19.694/25.577/32.068 ms
root@galileo:~# nslookup www.intel.com
Server: 127.0.0.1
Address 1: 127.0.0.1 localhost.localdomain
nslookup: can't resolve 'www.intel.com'
root@galileo:~# ping www.intel.com
ping: bad address 'www.intel.com'
root@galileo:~# route
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
default Vijayenthiran.l 0.0.0.0 UG 0 0 0 enp0s20f6
default * 0.0.0.0 U 0 0 0 enp0s20f6
192.168.137.0 * 255.255.255.0 U 0 0 0 enp0s20f6
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I guess you have fixed the problem with DNS.
FYI:
BR,
xbolshe
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Hi xbolshe,
Thank you very much. My problem is fixed after doing
connmanctl config ethernet_984fee01cc89_cable --nameservers 8.8.8.8 8.8.4.4
- Vijay

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