[nos-bbs] Success VARA HF IP Bridge (PPP)

M Langelaar maiko at pcsinternet.ca
Fri Jan 15 23:30:22 EST 2021


And it's bidirectional, got 2 telnets going each way. and at the
same time, unreal ! These folks that developed PPP in the day,
this is pure genious, my first ever exposure to PPP ...

Maiko

On 15/01/2021 10:18 p.m., M Langelaar wrote:
> I'm a bit speechless ...
>
> It would appear that I have successfully developed an IP BRIDGE over
> VARA HF modem for JNOS. With some mods to the JNOS ppp code,
> and integrating into the VARA HF interface I've been working on, I now
> actually have an active telnet going on between my 2 JNOS test sites,
> both linked to each other via trial copy of VARA HF modem software
> over hard wired audio.
>
> It's working flawlessly. I would love to see how fast it is in a real
> environment. I need to tidy up stuff, make it more automatic, and
> really document the heck out of this, but yes ... appears to work.
>
> This is basically what SCS is doing with their Pactor IP Bridge.
>
> Maiko / VE4KLM
>
> site a ::
>
> attach vara vara0 1500 192.168.1.20 8300
>
> varacmd "mycall ve4klm"
> varacmd "connect ve4klm ve4pkt"
>
> site b :
>
> attach vara vara0 1500 10.1.1.2 8300
>
> varacmd "mycall ve4pkt"
> varacmd "listen on"
>
> After  physical connect established, both sides run :
>
>   ppp vara0 trace 2
>   ppp vara0 lcp timeout 60000
>   ppp vara0 lcp open
>   ppp vara0 ipcp timeout 60000
>   ppp vara0 ipcp open
>
> Timeouts have to be large, I will document all of this, very excited !
>
> F9 trace window
>
> Fri Jan 15 22:12:03 2021 - vara0 sent:
> PPP: len 104    protocol: IP
> IP: len 100 172.16.72.1->172.16.72.4 ihl 20 ttl 254 prot TCP
> TCP: 23->1030 Seq xa66c161 Ack xf22c034 ACK PSH Wnd 2048 Data 60
> 0000  ff 03 00 21 45 00 00 64 03 da 00 00 fe 06 d0 93 ...!E..d.Z..~.P.
> 0010  ac 10 48 01 ac 10 48 04 00 17 04 06 0a 66 c1 61 ,.H.,.H......fAa
> 0020  0f 22 c0 34 50 18 08 00 48 ed 00 00 55 73 65 72 ."@4P...Hm..User
> 0030  73 3a 0d 0a 54 65 6c 6e 65 74 20 20 20 28 76 65  s:..Telnet (ve
> 0040  34 6b 6c 6d 20 40 20 31 37 32 2e 31 36 2e 37 32  4klm @ 172.16.72
> 0050  2e 34 29 20 20 2d 3e 20 49 64 6c 65 0d 0a 0d 0a  .4)  -> Idle....
> 0060  28 23 30 29 20 3e 0d 0a                          (#0) >..
>
>
> jnos> ppp vara0
>
> Network Protocol Phase  (open for 0:00:22:54)
>       4196 In,         126 Flags,     0 ME,      0 FE,      0 
> CSE,      0 other
>                     70 Lcp,     0 Pap,    41 IPcp,     0 Unknown
>       4312 Out,        135 Flags,     0 ME,      3 Fail
>                     72 Lcp,     0 Pap,    41 IPcp
> LCP Opened
>                  MRU     ACCM            AP      PFC  ACFC Magic
>         Local:   1500    0xffffffff      None    No   No   unused
>         Remote:  1500    0xffffffff      None    No   No   unused
> PAP Closed
>         Message: 'none'
> IPCP Opened
>         local IP address: 172.16.72.1  remote IP address: 0.0.0.0
>



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