[nos-bbs] jnos doesn't see the net on new pi sdcard

Boudewijn (Bob) Tenty bobtenty at gmail.com
Tue Nov 7 15:10:35 EST 2017


Hi Jerome,

I see no amprnet routing. The best is to use a 44 address only in jnos and to use the linux and jnos 44 addresses
for the tunnel setup from within jnos.

73,

Bob VE3TOK

On 2017-11-06 11:31 PM, jerome schatten wrote:
> Bob - thanks for your reply!
>
> Yes… that is exactly my first thought too, but alas 'cat /proc/sys/net/ipv4/ip_forward' yields a ‘1’, so no joy yet.  
>
> Here’s my linux routing table with jnos running:
>
> pi at raspberrypi1:~ $ route
> Kernel IP routing table
> Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
> default         192.168.0.1     0.0.0.0         UG    202    0        0 eth0
> 192.168.0.0     *               255.255.255.0   U     202    0        0 eth0
> 192.168.0.149   *               255.255.255.255 UH    0      0        0 tun0
> pi at raspberrypi1:~ $ 
>
> So my tunnel is .148 and .149 — 149 .  148 is the linux side and 149 is the jnos side and in the DMZ. Does anything stand out from this?
>
> Best,
> jerome
>
>
>> On Nov 6, 2017, at 17:39, Boudewijn (Bob) Tenty <bobtenty at gmail.com> wrote:
>>
>> It looks like or ipv4 packet forwarding is switched off?
>> Check 'net.ipv4.ip_forward' in /etc/sysctl.conf as it should be one.
>>
>> 73,
>>
>> Bob VE3TOK
>>
>>
>> On 2017-11-06 07:18 PM, jerome schatten wrote:
>>> The SD card on my jnos pi2b has quite a number of file system problems now although jnos still works fine.  I thought to fix it, so I tarred up the working jnos and put it on a usb stick.  I then made a new SD card using the most recent noobs, and then sftp’d the tarred jnos into a jnos directory on the new card. Jnos comes up with no errors, however, I no longer can ping the router from inside jnos — and thus jnos can’t see the net.
>>>
>>> So, in it’s simplest form the problem is: Jnos can’t see the router.
>>>
>>> Pinging around:
>>>
>>> 1. From the linux prompt I can ping both sides of tun0; the address of the Pi, and the rest of the world including the router. I cannot ping the 44 address of the pi.
>>>
>>> 2. From within jnos, I can ping my 44 address and both sides of tun0, and the address of the pi — but as I said, I can’t ping the router. It is as I have lost the routing between jnos and linux. 
>>>
>>> The new version of raspian jessie (the latest) seems to have changed a bit, and I’m hoping I’ve just missed something.  Any ideas are welcome.
>>>
>>> Best,
>>> jerome - ve7ass/va7vv
>>> Vancouver
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
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