[nos-bbs] Problem attaching tun device

[Jose Ng Lee]

Thanks Michael and Bob for reply.

OK.  I removed eth0:1 200.46.129.3 from Network Intefaces.  But, still can't comunicate Linux to the Jnos.

Next, I try disabled the Firestarter (Graphics Firewall).  Now, I can Telnet OK from Linux to Jnos and viceversa.  Something not setup correctly in the Firestarter Firewall that is blocking the tun.  Maybe, the Firestarter doesn't handle correctly the tun interface after it is created in Jnos.

I am using an old Pentium 4 PC that in Graphics mode is slow.  I use the Graphics mode only to setup some system parameters and mostly I use command line and webmin to administer in a faster way.

I use Firestarter graphics interface for an easy way to setup the Firewall so I don't have to mess up with  the IPTABLES.  Not sure If I disable the firestarter, the Iptables Firewall setting is on.

I have before an old Fedora distro of 10 years or more with Jnos in slatattach and many dev ptys to communicate with the FBB, Dxcluster, XNET, etc.  It was Running OK until that old PC 500MHZ crash and can't repair.   So, now installed a modern Ubuntu distro on another not new Pentium 4 PC and have to figure out how to setup everything more or less as running before.

Thanks,
Jose / HP2AT
  ----- Original Message ----- 
  From: Bob Tenty 
  To: TAPR xNOS Mailing List 
  Sent: Thursday, March 01, 2012 6:05 PM
  Subject: Re: [nos-bbs] Problem attaching tun device


  Jose,

  You shouldn't assign 200.46.129.3  to  eth0:1  as you use that  ip number already for jnos!
  That is why you get these problems!  Remove eth0:1 (most likely have to reboot) and you will be OK.

  73,

  Bob (Boudewijn) VE3TOK






  On 12-03-01 03:10 PM, Jose Ng Lee wrote: 
    Hi, 

    I am using Ubuntu 11.10 and used the sample autoexec.nos provided by Maiko. The jnos run OK with no errors. 

    But, I couldn't get the linux box to telnet to Jnos.  When I do telnet from the Linux side it gets the Linux prompt.  When, I telnet from outside via internet to the Jnos IP it get me the Linux prompt. 

    From the Jnos I couldn't telnet to the Linux side.  It gets "Resolving 200.46.129.2... Trying 200.46.129.2:telnet..." and no connection. 

    I am using fix IP address: 

    Linux: 200.46.129.2 
    Jnos: 200.46.129.3 

    On Network Intefaces:  eth0 = 200.46.129.2 and eth0:1 = 200.46.129.3 

    I enabled ip_forward=1. 

    Anyone have an idea what I have wrong? 

    Thanks, 
    Jose / HP2AT 

    ----- Original Message ----- From: "Maiko Langelaar" <maiko at pcs.mb.ca> 
    To: "TAPR xNOS Mailing List" <nos-bbs at tapr.org> 
    Sent: Friday, February 24, 2012 3:00 PM 
    Subject: Re: [nos-bbs] Problem attaching tun device 



      Michael, 

      I didn't get your callsign, anyways just try out the attached 
      autoexec.nos (basic JNOS to linux connectivity with telnet). 

      Replace MMMMMM with your callsign. This is a very simple config 
      that works very well on any slackware and redhat based systems. 

      You have to make sure ip forwarding is enabled : 

         echo "1" > /proc/sys/net/ipv4/ip_forward 

      It simply has to work, once you see how it does, then you 
      can go further with it. There are no ARPs or no IPTABLES or 
      anything else needed for this basic setup. Try it out. 

      Maiko 




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