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<DIV><FONT face=Arial>Thank you Bob for "tcpdump" tool ino.</FONT></DIV>
<DIV><FONT face=Arial></FONT> </DIV>
<DIV><FONT face=Arial>I tried tcpdump and see too many lines going through
quickly on the screen. So, I tried to narrow and look
for:</FONT></DIV>
<DIV><FONT face=Arial></FONT> </DIV>
<DIV><FONT face=Arial>tcpdump -i tun0</FONT></DIV>
<DIV><FONT face=Arial>tcpdump -i eth0 port 23</FONT></DIV>
<DIV><FONT face=Arial></FONT> </DIV>
<DIV><FONT face=Arial>A couple of lines coming out, but I am not an raw IP
expert to find out what's going on.</FONT></DIV>
<DIV><FONT face=Arial></FONT> </DIV>
<DIV><FONT face=Arial>I will keep looking to solve the problem.</FONT></DIV>
<DIV><FONT face=Arial></FONT> </DIV>
<DIV><FONT face=Arial>Thanks,</FONT></DIV>
<DIV><FONT face=Arial></FONT> </DIV>
<DIV><FONT face=Arial>José / HP2AT</FONT></DIV>
<DIV><FONT face=Arial></FONT> </DIV>
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<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="FONT: 10pt arial; BACKGROUND: #e4e4e4; font-color: black"><B>From:</B>
<A title=bobtenty@gmail.com href="mailto:bobtenty@gmail.com">Bob Tenty</A>
</DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=nos-bbs@tapr.org
href="mailto:nos-bbs@tapr.org">nos-bbs@tapr.org</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Monday, January 27, 2014 3:58
PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: [nos-bbs] Raspberry Pi Jnos
Telnet from another PC problem</DIV>
<DIV><BR></DIV>
<DIV class=moz-cite-prefix>To narrow it down you can use "tcpdump" at the
interface from the kernel to jnos and the ipip interface<BR>to see which one
what is not passing the traffic.<BR><BR>73,<BR><BR>Bob VE3TOK<BR><BR><BR>On
14-01-27 11:35 AM, Jose Ng Lee wrote:<BR></DIV>
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<DIV><FONT face=Arial>I am using the F6BVP Raspbian image preinstalled with
AX.25 and FBB, DXSpider, and FPAC working OK.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Arial>Uploaded the Jnos 2.0j and tried also 2.0jx4 sources
to the Pi and compiled OK both jnos executable.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Arial>My problem is that I am not able to Telnet directly to
the JNOS in the Raspberry PI from a PC.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Arial>I am able from the PC to Telnet first to the Linux
side on the Raspberry Pi and then to the JNOS.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Arial>On my Full size PC with Ubuntu and JNOS, I can Telnet
OK from a PC directly to JNOS. I copy the </FONT><FONT
face=Arial>autoexec.nos from my PC Ubuntu JNOS to the Raspberry Pi and
changed some lines with the different IPs, etc..</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Arial>On Jnos side, the tun0 is setup as
usual:<BR></FONT></DIV>
<DIV><FONT face=Arial># NOS creates the TUN device, so NOS needs to do a
postcofig<BR>shell ifconfig tun0 200.46.129.25 pointopoint 200.46.129.26 mtu
1500 up<BR>pause 5<BR>#<BR>shell arp -s 200.46.129.26 b8:27:eb:e1:b2:ee
pub<BR>#</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Arial>The ax25-up script already do:<BR>echo 1 >
/proc/sys/net/ipv4/ip_forward</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Arial>Also, later checked and did "more ip_forward" and has
the "1".</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Arial>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.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Arial>Tried other things with no luck. Looks like the
RPI not able to do the IP to IP forwarding </FONT><FONT face=Arial>through
the tun0 from an outside PC Telnet connection.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Arial>Has anyone got their Raspberry Pi with Jnos setup
right and be able to Telnet directly from a PC.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Arial>73s Jose / HP2AT</FONT></DIV><BR>
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