[nox-dev] A topology question

[Maulik Desai]

Hi Guys,

I am trying to create a network topology that resembles SoftRouter or
4D architecture where a switch could be multiple hops away from its
controller. However, comparing two vms.conf files from the following
post, I understand that an OpenFlow switch has to be only one hop away
from the Nox controller.
http://www.mail-archive.com/nox-dev@noxrepo.org/msg00502.html

Is my understanding correct or am I making a mistake here? Please
correct me if I am wrong. Is it possible to set up such a network with
"controller" command in openflow? Appreciate it if someone could give
me an insight or lead me to some kind of documentation on creating
such a network.

Maulik

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Re: [nox-dev] A topology question

[Ben Pfaff]

Maulik Desai  writes:

> I am trying to create a network topology that resembles SoftRouter or
> 4D architecture where a switch could be multiple hops away from its
> controller. However, comparing two vms.conf files from the following
> post, I understand that an OpenFlow switch has to be only one hop away
> from the Nox controller.
> http://www.mail-archive.com/nox-dev@noxrepo.org/msg00502.html

Multiple hops should work fine.  We have tested them in the past
as working.

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[nox-dev] Fwd: help! i have problem wiht testing 'nox_core tests'

[Noah]

Hi Dan,

I'm really thank your reply.

As you said, I checked both files are exist and build is complete.

I found out that build is incomplete. When I checked using 'make
check', they show me some error.

 Test suite "NOX" failed with:
 25 assertions out of 96 passed
 71 assertions out of 96 failed
 3 test cases out of 74 passed
 71 test cases out of 74 failed
 71 test cases out of 74 aborted

 FAIL: nox.test
 
 1 of 1 test failed
 Please report to cont...@noxrepo.org
 
 make[3]: *** [check-TESTS] error 1
 make[3]: Leaving directory `/root/noxcore/build/src'
 make[2]: *** [check-am] error 2
 make[2]: Leaving directory `/root/noxcore/build/src'
 make[1]: *** [check-recursive] error1
 make[1]: Leaving directory `/root/noxcore/build/src'
 make: *** [check] error 2


When I build nox, I didn't know how to handle swig libboost1.35-dev
libxerces-c2-dev libssl-dev make' ,
because I typed that command, is didn't work in terminal,

just show

 r...@nox-desktop:~# swig libboost1.35-dev libxerces-c2-dev libssl-dev make
 swig error : Unrecognized option libboost1.35-dev
 swig error : Unrecognized option libxerces-c2-dev
 swig error : Unrecognized option libssl-dev
 Use 'swig -help' for available options.


so, I just install like 'apt-get install libboost1.35-dev
libxerces-c2-dev libssl-dev'

does it make some problem?
and if I had to use swig, how can I handle it?


2009/7/14 Dan Wendlandt :
> Hi Noah,
>
> From what directory are you running "./nox_core tests"?   From that
> directory, does the file nox/netapps/user_event_log/pyuser_event_log.py
> exist?  If not, does the file nox/netapps/switchstats/pycswitchstats.py
> exist?  I assume the build completely successfully with no errors.
> dan
>
> Noah wrote:
>>
>> Hi,
>>
>> I need to run the noxrepo scripts for OpenFlow Switch.
>>
>> So, following the NOX installation, I installed nox.
>>
>> After that i tried to ./nox_core tests.
>>
>> Then there's an error message like below
>>
>> 1|sqlite3-impl|WARN:Transactional storage file not given in the
>> command line; defaulting to 'testing.sqlite'
>> 2|nox|ERR:Cannot change the state of 'tests' to INSTALLED:
>> 'tests' has an unmet dependency:
>>        'pyuser_event_log' ran into an error:
>>                cannot import a Python module
>> 'nox.netapps.user_event_log.pyuser_event_log':
>>                ImportError: No module named
>> netapps.user_event_log.pyuser_event_log
>>
>> can you tell me what's the problem??
>>
>> i'm working on Ubuntu 9.04.
>>
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>>
>
>

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