Problems getting Jetson online

Autonomous Machines Jetson & Embedded Systems Jetson TK1
1

Hi All.

I’m hoping someone can help me.

I have a Jetson and a few other computers on a router. All other the computers (including the Jetson) are set to use DHCP. I can boot the Jeston, ping the other computers on the router from it and have other computers log into the Jetson.

However, I am unable to go online or ping any external networks from the Jetson. It has its wired connection set not to use additional DNS and its nm-tool and ifconfig outputs are shown below:

  • Device: eth0 [Wired connection 1] -------------------------------------------
    Type: Wired
    Driver: r8169
    State: connected
    Default: yes
    HW Address: 00:04:4B:21:29:42

    Capabilities:
    Carrier Detect: yes
    Speed: 100 Mb/s

    Wired Properties
    Carrier: on

    IPv4 Settings:
    Address: 192.168.0.106
    Prefix: 24 (255.255.255.0)
    Gateway: 192.168.0.1

    DNS: 192.168.0.1

With ifconfig looking like:

eth0 Link encap:Ethernet HWaddr 00:04:4b:21:29:42
inet addr:192.168.0.106 Bcast:192.168.0.255 Mask:255.255.255.0
inet6 addr: fe80::204:4bff:fe21:2942/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:2477 errors:0 dropped:7 overruns:0 frame:0
TX packets:1139 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:189588 (189.5 KB) TX bytes:141308 (141.3 KB)

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:94 errors:0 dropped:0 overruns:0 frame:0
TX packets:94 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:9972 (9.9 KB) TX bytes:9972 (9.9 KB)

One of the computers on the router is also running Ubuntu 14.04 and has it’s network connections set up in the same way as the jetson and can access the internet with no problems.

Has anyone seen this and if so, what am I doing wrong?

Many thanks,

Trefor

2

What is the “route” output from this and the other working Ubuntu? How about the contents of working and non-working ubuntu for /etc/resolv.conf? If there is an outside address which the working ubuntu can ping,run nslookup or host on the name (e.g., “host google.com” or “nslookup google.com”), see what ping does to the dotted decimal format (remove DNS requirements by using dotted decimal instead of named address).

Also, does your router have any firewall restrictions?

3

linuxdev,

Thanks so much. I had completely blanked on the resolv.conf. It’s all good now.

Trefor