So I added in my /etc/network/interfaces
iface usb0 inet static
address 192.168.7.2
netmask 255.255.255.0
network 192.168.7.0
nameservers 8.8.8.8
gateway 192.168.7.1
This *takes care of ping 8.8.8.8*. after a reboot
But
still unable to ping www.google.com : *Temporary failure in name resolution*
On Sun, May 17, 2020 at 5:30 PM Rajesh Kulkarni <[email protected]>
wrote:
> I was finally able to connect to the internet via USB(still dont know what
> the problem was, I just reinstalled my Host Ubuntu)
>
> I followed the instructions given by Robert and ran the script on my Host
> PC
> https://github.com/RobertCNelson/boot-scripts/blob/master/network/doc-debian-setup.md
> .
> And this on the BBB " sudo /opt/scripts/network/usb_linux_usb0_ics.sh "
>
> *But ,the above instructions apparently doesn't save the configuration* ,
> and the default gateway disappears after the BBB is rebooted.
> So I have to execute this command sudo
> /opt/scripts/network/usb_linux_usb0_ics.sh every reboot.
>
> Do I still need to save the config in /etc/network/interfaces something
> like :
> iface usb0 inet static
> address 192.168.7.2
> netmask 255.255.0.0
> network 192.168.7.0
> gateway 192.168.7.1
>
> OR
> does it have to be through a bash script which runs has to be set to
> autorun mode after boot ?
>
> Thanks
> Rajesh
>
> On Sat, May 16, 2020 at 2:02 PM jonnymo <[email protected]> wrote:
>
>> Okay, I solved my issue by adding an iptable entry for the return from
>> wlan0 to eth1 (BB).
>>
>> * sudo iptables -A FORWARD -i wlan0 -o eth1 -j ACCEPT*
>>
>>
>> Now pinging '8.8.8.8' from the BB works as expected.
>>
>> *root@beaglebone:~# ping -I usb0 8.8.8.8*
>> *PING 8.8.8.8 (8.8.8.8) from 192.168.7.2 usb0: 56(84) bytes of data.*
>> *64 bytes from 8.8.8.8 <http://8.8.8.8>: icmp_seq=1 ttl=103 time=17.9 ms*
>> *64 bytes from 8.8.8.8 <http://8.8.8.8>: icmp_seq=2 ttl=103 time=15.8 ms*
>> *64 bytes from 8.8.8.8 <http://8.8.8.8>: icmp_seq=3 ttl=103 time=15.3 ms*
>> *64 bytes from 8.8.8.8 <http://8.8.8.8>: icmp_seq=4 ttl=103 time=15.7 m*
>>
>>
>> Cheers,
>>
>> Jon
>>
>> On Sat, May 16, 2020 at 12:29 PM Robert Heller <[email protected]>
>> wrote:
>>
>>> At Sat, 16 May 2020 13:32:03 -0400 [email protected] wrote:
>>>
>>> >
>>> > Jon,
>>> >
>>> > So you can ssh from the PC to the BB and ssh to the PC from the BB...
>>> >
>>> > So the two are talking. Hum.
>>> >
>>> > Have you checked the firewall on the PC side to make sure it is
>>> allowing
>>> > traffic from 192.168.7 out?
>>>
>>> And is it set to forward IP packets? You might need to have the PC
>>> implement
>>> NAT and/or Masquading. And yes, check the firewall.
>>>
>>> >
>>> >
>>> > On Sat, May 16, 2020 at 12:53 PM jonnymo <[email protected]> wrote:
>>> >
>>> > > I can ssh between the PC and the BB via 192.168.7.x and back without
>>> > > issue.
>>> > > However, no traffic is sent out passed the wireless connection.
>>> > >
>>> > > Jon
>>> > >
>>> > >
>>> > > On Sat, May 16, 2020 at 9:44 AM Kenneth Martin <
>>> [email protected]>
>>> > > wrote:
>>> > >
>>> > >>
>>> > >> *On the Beaglebone can you ping* * 192.168.7.1 ?*
>>> > >>
>>> > >> *On my Beaglebone here is what I get*
>>> > >>
>>> > >>
>>> > >>
>>> > >>
>>> > >>
>>> > >>
>>> > >>
>>> > >> *debian@beaglebone:~$ netstat -rnKernel IP routing tableDestination
>>> > >> Gateway Genmask Flags MSS Window irtt
>>> Iface0.0.0.0
>>> > >> 192.168.7.1 0.0.0.0 UG 0 0 0
>>> > >> usb0192.168.6.0 0.0.0.0 255.255.255.0 U 0 0
>>> > >> 0 usb1192.168.147.0 0.0.0.0 255.255.255.0 U 0 0
>>> > >> 0 usb0*
>>> > >>
>>> > >> *Looking at your setup I would say the ping will fail*
>>> > >>
>>> > >> *$ sudo netstat -rn*
>>> > >> *Kernel IP routing table*
>>> > >> *Destination Gateway Genmask Flags MSS
>>> Window irtt
>>> > >> Iface*
>>> > >> *0.0.0.0 192.168.2.1 0.0.0.0 UG 0 0
>>> 0
>>> > >> wlan0*
>>> > >> *169.254.0.0 0.0.0.0 255.255.0.0 U 0 0
>>> 0
>>> > >> wlan0*
>>> > >> *172.17.0.0 0.0.0.0 255.255.0.0 U 0 0
>>> 0
>>> > >> docker0*
>>> > >> *192.168.2.0 0.0.0.0 255.255.255.0 U 0 0
>>> 0
>>> > >> wlan0*
>>> > >> *192.168.6.0 0.0.0.0 255.255.255.0 U 0 0
>>> 0
>>> > >> usb0*
>>> > >> *192.168.7.0 0.0.0.0 255.255.255.0 U 0 0
>>> 0
>>> > >> eth1*
>>> > >>
>>> > >>
>>> > >> *Unfortunately my only Linux hosts are on VM's.*
>>> > >>
>>> > >> On Sat, May 16, 2020 at 12:11 PM jonnymo <[email protected]>
>>> wrote:
>>> > >>
>>> > >>> I'm seeing a similar issue with a BBAI.
>>> > >>> However, on my host Ubuntu 18 system, I am seeing the network
>>> ports from
>>> > >>> the BB in the routing table.
>>> > >>>
>>> > >>> *$ sudo netstat -rn*
>>> > >>> *Kernel IP routing table*
>>> > >>> *Destination Gateway Genmask Flags MSS Window
>>> > >>> irtt Iface*
>>> > >>> *0.0.0.0 192.168.2.1 0.0.0.0 UG 0 0
>>> > >>> 0 wlan0*
>>> > >>> *169.254.0.0 0.0.0.0 255.255.0.0 U 0 0
>>> > >>> 0 wlan0*
>>> > >>> *172.17.0.0 0.0.0.0 255.255.0.0 U 0 0
>>> > >>> 0 docker0*
>>> > >>> *192.168.2.0 0.0.0.0 255.255.255.0 U 0 0
>>> > >>> 0 wlan0*
>>> > >>> *192.168.6.0 0.0.0.0 255.255.255.0 U 0 0
>>> > >>> 0 usb0*
>>> > >>> *192.168.7.0 0.0.0.0 255.255.255.0 U 0 0
>>> > >>> 0 eth1*
>>> > >>>
>>> > >>>
>>> > >>> On the BB:
>>> > >>> * # netstat -rn*
>>> > >>>
>>> > >>>
>>> > >>>
>>> > >>>
>>> > >>>
>>> > >>>
>>> > >>>
>>> > >>> *Kernel IP routing tableDestination Gateway Genmask
>>> > >>> Flags MSS Window irtt Iface0.0.0.0 192.168.7.1
>>> 0.0.0.0
>>> > >>> UG 0 0 0 usb0192.168.6.0 0.0.0.0
>>> > >>> 255.255.255.0 U 0 0 0 usb1192.168.7.0
>>> 0.0.0.0
>>> > >>> 255.255.255.0 U 0 0 0 usb0192.168.8.0
>>> 0.0.0.0
>>> > >>> 255.255.255.0 U 0 0 0 SoftAp0*
>>> > >>>
>>> > >>> Running tcpdump on my Ubuntu system, I can see where the incoming
>>> > >>> traffic from the BB is reaching the correct IP on the host but
>>> does not
>>> > >>> seem to be getting routed out.
>>> > >>>
>>> > >>> On BB:
>>> > >>>
>>> > >>> *# ping -I usb0 8.8.8.8*
>>> > >>>
>>> > >>> On Host:
>>> > >>>
>>> > >>> *$ sudo tcpdump -nvvi wlan0 'icmp[icmptype] == icmp-echo or
>>> > >>> icmp[icmptype] == icmp-echoreply'*
>>> > >>> *tcpdump: listening on wlan0, link-type EN10MB (Ethernet), capture
>>> size
>>> > >>> 262144 bytes*
>>> > >>> *08:55:34.027628 IP (tos 0x0, ttl 115, id 44071, offset 0, flags
>>> [DF],
>>> > >>> proto ICMP (1), length 84)*
>>> > >>> * 192.168.2.216 > 8.8.8.8 <http://8.8.8.8>: ICMP echo request,
>>> id
>>> > >>> 1402, seq 1, length 64*
>>> > >>> *08:55:34.049037 IP (tos 0x20, ttl 52, id 0, offset 0, flags
>>> [none],
>>> > >>> proto ICMP (1), length 84)*
>>> > >>> * 8.8.8.8 > 192.168.2.216 <http://192.168.2.216>: ICMP echo
>>> reply, id
>>> > >>> 1402, seq 1, length 64*
>>> > >>> *08:55:35.049654 IP (tos 0x0, ttl 115, id 44297, offset 0, flags
>>> [DF],
>>> > >>> proto ICMP (1), length 84)*
>>> > >>> * 192.168.2.216 > 8.8.8.8 <http://8.8.8.8>: ICMP echo request,
>>> id
>>> > >>> 1402, seq 2, length 64*
>>> > >>> *08:55:35.067301 IP (tos 0x20, ttl 52, id 0, offset 0, flags
>>> [none],
>>> > >>> proto ICMP (1), length 84)*
>>> > >>>
>>> > >>> It seems that something either on the Ubuntu side or in the
>>> network is
>>> > >>> blocking the traffic.
>>> > >>>
>>> > >>> Cheers,
>>> > >>>
>>> > >>> Jon
>>> > >>>
>>> > >>> On Sat, May 16, 2020 at 7:07 AM KenUnix <[email protected]>
>>> wrote:
>>> > >>>
>>> > >>>>
>>> > >>>> I too am having problems today. In your regard
>>> > >>>>
>>> > >>>> The following is my netstat -rn for my Ubuntu Linux host PC:
>>> > >>>>
>>> > >>>> Kernel IP routing table
>>> > >>>> |||---
>>> > >>>> Destination Gateway Genmask Flags MSS Window
>>> > >>>> irtt Iface
>>> > >>>> 0.0.0.0 192.168.1.1 0.0.0.0 UG 0 0
>>> > >>>> 0 wlp8s0
>>> > >>>> 10.42.0.0 0.0.0.0 255.255.255.0 U 0 0
>>> > >>>> 0 eth0
>>> > >>>> 10.42.1.0 0.0.0.0 255.255.255.0 U 0 0
>>> > >>>> 0 eth1
>>> > >>>> 169.254.0.0 0.0.0.0 255.255.0.0 U 0 0
>>> > >>>> 0 eth0
>>> > >>>> 192.168.1.0 0.0.0.0 255.255.255.0 U 0 0
>>> > >>>> 0 wlp8s0 (wlp8s0 is my wifi)
>>> > >>>>
>>> > >>>> And my BBB routing table looks like
>>> > >>>> |||---
>>> > >>>> Destination Gateway Genmask Flags MSS Window
>>> > >>>> irtt Iface
>>> > >>>> 0.0.0.0 192.168.7.1 0.0.0.0 UG 0 0
>>> > >>>> 0 usb0
>>> > >>>> 192.168.6.0 0.0.0.0 255.255.255.0 U 0 0
>>> > >>>> 0 usb1
>>> > >>>> 192.168.7.0 0.0.0.0 255.255.255.0 U 0 0
>>> > >>>> 0 usb0
>>> > >>>>
>>> > >>>> The gateway address on BOTH sides of the connection should match
>>> > >>>> with one side being .....1 and the other side being ....2 If
>>> they do
>>> > >>>> not
>>> > >>>> line up each side will not see the other side.
>>> > >>>>
>>> > >>>> --
>>> > >>>> For more options, visit http://beagleboard.org/discuss
>>> > >>>> ---
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>>> send
>>> > >>>> an email to [email protected].
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>>> > >>>>
>>> https://groups.google.com/d/msgid/beagleboard/21cc8527-1fd9-4f9f-bd7d-7d6f46f25f58%40googlegroups.com
>>> > >>>> <
>>> https://groups.google.com/d/msgid/beagleboard/21cc8527-1fd9-4f9f-bd7d-7d6f46f25f58%40googlegroups.com?utm_medium=email&utm_source=footer
>>> >
>>> > >>>> .
>>> > >>>>
>>> > >>> --
>>> > >>> For more options, visit http://beagleboard.org/discuss
>>> > >>> ---
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>>> > >>> <
>>> https://groups.google.com/d/msgid/beagleboard/CAG99bkr7RGpa_wmvtjbw1JFkHe381xE%3Dn9-pJ0EmuD4W2itMDQ%40mail.gmail.com?utm_medium=email&utm_source=footer
>>> >
>>> > >>> .
>>> > >>>
>>> > >> --
>>> > >> For more options, visit http://beagleboard.org/discuss
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>>> > >> <
>>> https://groups.google.com/d/msgid/beagleboard/CAJXSPs83vAiDHARKiEQ-i-UhvL7Rx3odCLf4BYjUzP5tA1pmAw%40mail.gmail.com?utm_medium=email&utm_source=footer
>>> >
>>> > >> .
>>> > >>
>>> > > --
>>> > > For more options, visit http://beagleboard.org/discuss
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>>> > > You received this message because you are subscribed to a topic in
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>>> > > <
>>> https://groups.google.com/d/msgid/beagleboard/CAG99bkoJwoGQjpHGdybUojycZpAyNifKP3HHwgdZq4UNFfMJ1w%40mail.gmail.com?utm_medium=email&utm_source=footer
>>> >
>>> > > .
>>> > >
>>> >
>>>
>>> --
>>> Robert Heller -- 978-544-6933 Cell: 413-658-7953 GV:
>>> 978-633-5364
>>> Deepwoods Software -- Custom Software Services
>>> http://www.deepsoft.com/ -- Linux Administration Services
>>> [email protected] -- Webhosting Services
>>>
>>>
>>> --
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>>> .
>>>
>> --
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>>
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