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 Subject :Tunnel problem - see remote nodes but cannot connect.. 2015-02-10- 14:39:06 
KE6TIM
Member
Joined: 2013-11-19- 21:40:01
Posts: 5
Location: Milpitas, CA
 

I have loaded the tunneling software on two GS units.  On both the Server and the Client I can see remote nodes but am unable to connect to them or ping them.  I re-read the instructions and double checked the tunnel set-up screens but I must be missing something or do not understand it--any ideas?

Not sure how well attachments work so here is also a link to an image of my setup

http://www.sonic.net/~howardt/TunnelSetup.pdf

Tim KE6TIM
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Tim KE6TIM
 Subject :Re:Tunnel problem - see remote nodes but cannot connect.. 2015-02-10- 15:13:52 
n5mbm
Member
Joined: 2014-08-02- 20:59:51
Posts: 67
Location: 
 

I just got it setup and am trying to do some testing with K5DLQ and can't get a connection either...


We can't get them connected...  Your setup looks right...  My setup looks right...  There's something simple we are both missing...


I am wondering if it is because I left the DTDlinking OFF after the last upgrade - I can't find the file that describes how to turn DTDlinking back on because it sort of mysteriously disappeared from the net, I keep getting "File not found" when I try to click on any link referencing it.  It makes me wonder if I NEED to turn it back on for it to work.


I am a little unclear as to why it was turned off - probably router looping problems?


I will be watching this thread!


Bill - N5MBM
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 Subject :Re:Tunnel problem - see remote nodes but cannot connect.. 2015-02-10- 15:30:48 
k5dlq
Member
Joined: 2012-05-11- 08:05:13
Posts: 233
Location: Magnolia, TX USA
 

KE6TIM, It appears that there is an issue on Linksys tunnel nodes.  (Possibly a OpenWRT Kamikaze issue, still researching)


Try this as a temporary fix:

ssh into the the tunnel client node (ssh -P2222 root@nodename)

type the following cmd:

vtun_up tun0 up

Then, try and access the remote nodes.
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Last Edited On: 2015-02-10- 15:41:16 By k5dlq for the Reason
Darryl - K5DLQ
www.aredn.org
 Subject :Re:Tunnel problem - see remote nodes but cannot connect.. 2015-02-10- 16:14:40 
KE6TIM
Member
Joined: 2013-11-19- 21:40:01
Posts: 5
Location: Milpitas, CA
 

I get the following message after executing that command

      Firewall rules for tun0 up
      iptables: No chain/target/match by that name
      Adding vtun firewall rules...

I am now able to connect from the client node to the server node but I cannot connect to the other nodes at the servers location.

I cannot physically get to the server location until tomorrow--do I need to issue a similar command on the server node?

It appears the command needs to be reissued after a node reboot.
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Last Edited On: 2015-02-10- 16:16:33 By KE6TIM for the Reason
Tim KE6TIM
 Subject :Re:Re:Tunnel problem - see remote nodes but cannot connect.. 2015-02-10- 16:28:10 
k5dlq
Member
Joined: 2012-05-11- 08:05:13
Posts: 233
Location: Magnolia, TX USA
 
If the server node is a Linksys, you may have to do this on it as well. You are correct, the node *SHOULD* be calling this command when the tunnel connects, but, for some reason on Linksys, is not doing it reliably. It would need to be executed after a reboot until we can determine the cause. OR if you have a Ubiquiti model, it is 100% reliable in executing this properly.
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Darryl - K5DLQ
www.aredn.org
 Subject :Re:Re:Re:Tunnel problem - see remote nodes but cannot connect.. 2015-02-11- 02:28:41 
k5dlq
Member
Joined: 2012-05-11- 08:05:13
Posts: 233
Location: Magnolia, TX USA
 


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Last Edited On: 2015-02-11- 02:30:49 By k5dlq for the Reason
Darryl - K5DLQ
www.aredn.org
 Subject :Re:Tunnel problem - see remote nodes but cannot connect.. 2015-07-11- 03:33:45 
k9ndu
Member
Joined: 2014-07-17- 09:01:15
Posts: 3
Location: 
any update on this problem? or any workarounds to keep from having to type it everytime a reboot or power cycle of the node? I ran the script and im able to talk to my nodes beyond the tunnel server and client. K9NDU
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 Subject :Re:Tunnel problem - see remote nodes but cannot connect.. 2015-07-11- 10:03:15 
N6SXR
Member
Joined: 2012-07-30- 08:05:31
Posts: 35
Location: Stormy Acres

Here is the fix for Linksys tunnel issues.  I've done a server and client and it fixed the connectivity issues.


http://www.broadband-hamnet.org/hsmm-mesh-forums/view-postlist/forum-5-problems-a-answers/topic-1527-vtun-tunneling.html


Kirk - N6SXR
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