[nos-bbs] Raspberry Pi Jnos Telnet from another PC problem

[Bob Tenty]

To narrow it down you can use "tcpdump" at the interface from the kernel
to jnos and the ipip interface
to see which one what is not passing the traffic.

73,

Bob VE3TOK


On 14-01-27 11:35 AM, Jose Ng Lee wrote:
> I am using the F6BVP Raspbian image preinstalled with AX.25 and FBB,
> DXSpider, and FPAC working OK.
>  
> Uploaded the Jnos 2.0j and tried also 2.0jx4 sources to the Pi and
> compiled OK both jnos executable.
>  
> My problem is that I am not able to Telnet directly to the JNOS in the
> Raspberry PI from a PC.
>  
> I am able from the PC to Telnet first to the Linux side on the
> Raspberry Pi and then to the JNOS.
>  
> On my Full size PC with Ubuntu and JNOS, I can Telnet OK from a PC
> directly to JNOS.  I copy the autoexec.nos from my PC Ubuntu JNOS to
> the Raspberry Pi and changed some lines with the different IPs, etc..
>  
> On Jnos side, the tun0 is setup as usual:
> # NOS creates the TUN device, so NOS needs to do a postcofig
> shell ifconfig tun0 200.46.129.25 pointopoint 200.46.129.26 mtu 1500 up
> pause 5
> #
> shell arp -s 200.46.129.26 b8:27:eb:e1:b2:ee pub
> #
>  
> The ax25-up script already do:
> echo 1 > /proc/sys/net/ipv4/ip_forward
>  
> Also, later checked and did "more ip_forward" and has the "1".
>  
> Checked from both the PC Ubuntu Jnos and Raspberry pi Jnos, With
> Webmin the network interfaces, routes, hostnames.  Also, checked on
> the command line from both machines de ARP and it looks OK for both.
>  
> Tried other things with no luck.  Looks like the RPI not able to do
> the IP to IP forwarding through the tun0 from an outside PC Telnet
> connection.
>  
> Has anyone got their Raspberry Pi with Jnos setup right and be able to
> Telnet directly from a PC.
>  
> 73s Jose / HP2AT
>
>
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