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[mininet-discuss] Mininet Cluster Edition - makeTunnel() exception

Daniele Loliva d.loliva at campus.unimib.it
Tue Oct 20 11:53:12 PDT 2015


Thanks to you for quick replies,

I append the string to file on both machines but the error is the same.

thx a lot

> Il giorno 20 ott 2015, alle ore 20:22, Ping Chun Huang <pichuang at cs.nctu.edu.tw> ha scritto:
> 
> hi,
> 
> Append "PermitTunnel yes" to "/etc/ssh/sshd_config", and restart sshd daemon.
> 
> thx
> 
> Ping-Chun Huang 黃秉鈞 pichuang
> http://blog.night9.cc <http://blog.night9.cc/>
> 
> Wireless Internet Laboratory
> Computer Center, Department of Computer Science
> National Chiao Tung University
> 
> 2015-10-21 2:16 GMT+08:00 Daniele Loliva <d.loliva at campus.unimib.it <mailto:d.loliva at campus.unimib.it>>:
> Hi,
> 
> I already tried to launch the command and i get the following error: "Tunnel device open failed. Could not request forwarding tunnel." I tried to run it with ‘sudo' and I get: "channel 0: open failed: aministratively prohibited: open failed."
> 
>> Il giorno 20 ott 2015, alle ore 18:58, Ping Chun Huang <pichuang at cs.nctu.edu.tw <mailto:pichuang at cs.nctu.edu.tw>> ha scritto:
>> 
>> Hi,
>> 
>> Try to type "ssh -n -o Tunnel=Ethernet -w 9:9 mininet at 192.168.240.128 <mailto:mininet at 192.168.240.128> echo @" command, check output.
>> 
>> thx
>> 
>> Ping-Chun Huang 黃秉鈞 pichuang
>> http://blog.night9.cc <http://blog.night9.cc/>
>> 
>> Wireless Internet Laboratory
>> Computer Center, Department of Computer Science
>> National Chiao Tung University
>> 
>> 2015-10-21 0:38 GMT+08:00 Daniele Loliva <d.loliva at campus.unimib.it <mailto:d.loliva at campus.unimib.it>>:
>> Hi,
>> 
>> i have some problems with mininet cluster edition, after i executed the script “clustersetup.sh” when i launch this command “sudo -E mn —topo linear,2 —cluster ip_address1,ip_address2” i have this “Caught exception" during adding links between switch: s2:ip_address2 and s1:ip_address1, like the picture below:
>> 
>> <Schermata 2015-10-19 alle 11.39.31.png>
>> 
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>> mininet-discuss at lists.stanford.edu <mailto:mininet-discuss at lists.stanford.edu>
>> https://mailman.stanford.edu/mailman/listinfo/mininet-discuss <https://mailman.stanford.edu/mailman/listinfo/mininet-discuss>
>> 
>> 
> 
> 

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