[nos-bbs] ip-ip

[Jim Smith]

Kerry,

  AFAIK, the IP-IP encap does use local IP and tolerates NAT just fine. That
is how I run it here with no problems. What *may* have been the problem
(I've seen this often) is that the return packet will not make it back
because it is not TCP or UDP, but IP-IP, which has a different protocol
number than either TCP or UDP. Many of the Linksys style appliances drop
this incoming traffic with no chance to have it passed. It goes out fine,
but does not come back through.

  The solution (at least in my case) was to use a firmware image that
understood the concept of a "DMZ Host" and would pass *all* traffic to that
designated DMZ Host *including* IP-IP traffic. The dd-wrt firmware will not
run on my old Linksys, but I bet in there somewhere is a config for a "DMZ
Host" or equivalent.

  Anyway, just my $.02 to the conversation.

Cheers!

Jim N8AVX
(who is now eyeing his small stack of Cisco 2600 in a new light. Care to
share your config?)

-----Original Message-----
From: nos-bbs-bounces at tapr.org [mailto:nos-bbs-bounces at tapr.org] On Behalf
Of Kerry Smith
Sent: Monday, November 22, 2010 7:47 AM
To: TAPR xNOS Mailing List
Subject: Re: [nos-bbs] ip-ip

Jerry,

Something to keep in mind.  I'm not sure what version of DD-WRT they were
speaking about, but DD-WRT will not let a NON Local ip pass out.  It want's
to NAT everything, so you might be right back where you started.  I tried
DD-WRT and had NO LUCK.
My next step was to run directly into the jnos machine, as you said for your
second option, which WILL WORK, or find a router that would let me do what I
wanted.

A friend of mine found me a Cisco 2600, so i'm sitting good and can tell
this monster what to do and how to do it, unlike the linksys style
appliance.

Kerry - n3nxo


--- On Sun, 11/21/10, N0MR <n0mr at lakenet.com> wrote:

> From: N0MR <n0mr at lakenet.com>
> Subject: Re: [nos-bbs] ip-ip
> To: "TAPR xNOS Mailing List" <nos-bbs at tapr.org>
> Date: Sunday, November 21, 2010, 10:50 PM Thanks Bob and Jay for words 
> on ip-ip. Looks like I have two options. Get a router that I can use 
> the dd-wrt conversion or run my internet service right into the 
> Linux/JNOS computer then out a second ethernet port to my home router.
> 
> Jerry, N0MR
> 
> ----- Original Message ----- From: "Bob Tenty" <bobtenty at gmail.com>
> To: "TAPR xNOS Mailing List" <nos-bbs at tapr.org>
> Sent: Tuesday, November 16, 2010 2:19 PM
> Subject: Re: [nos-bbs] ip-ip
> 
> 
> > Some of these consumer routers don't pass the ip-ip/
> ipencap protocol.
> > 
> > Re-flashing them with open source "dd-wrt"
> (www.dd-wrt.com) can offer a solution to this.
> > (If dd-wrt is available for your model)
> > 
> > 73,
> > 
> > Bob VE3TOK
> > 
> > On 10-11-14 11:53 PM, N0MR wrote:
> >> I'm told ip-ip contacts to my JNOS system do not
> work. I don't know what is wrong, but I can describe my setup and hope 
> someone has a suggestion.
> >> 
> >> I'm running JNOS 2.0h. I'm running Ubuntu 8. I
> have a static IP on a Linksys router with a LAN side address 
> 192.168.0.51. The router has DMZ open to the address of the JNOS 
> software and ports 1 through 600 are open to that address.
> >> 
> >> My Linux computer has an address 192.168.0.75 and
> JNOS 192.168.0.76. JNOS is configured with all ports open except port 
> 25. Port 25 is open to only two trusted addresses. My ISP does not 
> block any ports.
> >> 
> >> I have two ampernet AXIP ports running. I do
> transfer mail by telnet. I do get rip broadcasts about every
> 5 minutes. Everything seems to be running fine except I'm told my 
> system will not accept ip-ip connections.
> >> 
> >> With that description, can anyone see any problem
> or suggest something that might be missing.
> >> 
> >> Jerry, N0MR
> >> 
> >> 
> >> _______________________________________________
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> > 
> > 
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> 
> 
> 
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