[AG-TECH] VPCscreen TTL (patch for VPMedia)

[Christoph Willing]

On 03/04/2010, at 12:42 AM, Thomas Uram wrote:

>
> Chris:
>
> That code lives in the svn repo here at svn.ci.uchicago.edu/svn/if- 
> media. Do you want to commit it or should I?

Tom,

I wasn't sure where it was kept now. I committed the change.


chris


> ----- Original Message -----
> From: "Christoph Willing" <c.willing at uq.edu.au>
> To: "Philippe d'Anfray" <Philippe.d-Anfray at cea.fr>
> Cc: ag-tech at mcs.anl.gov
> Sent: Friday, April 2, 2010 9:30:25 AM GMT -06:00 US/Canada Central
> Subject: Re: [AG-TECH] VPCscreen TTL (patch for VPMedia)
>
>
> On 02/04/2010, at 10:39 PM, Philippe d'Anfray wrote:
>
>> Bonjour
>>
>> Great !!  with this test version of VPCScreen, the multicast packets
>> are
>> given a TTL of 127 and can be received normally at other multicast
>> locations (at least in France....) (and also through bridges).
>
>
> OK, thanks for raising the problem and doing the test Philippe.
>
> And also thanks to Andrew Rowley for suggesting a ttl issue as the
> cause of the problem!
>
>
> This change should be applied to all the various release packages.
> Attached below is the patch I've used - it just sets a default ttl of
> 127. A better fix would be to use whatever the user asks for, so if
> anyone has time ....
>
>
> chris
>
>
>
>
>
>
>
>> Christoph Willing a écrit :
>>>
>>>
>>> Philippe,
>>>
>>> Could you try some tests with:
>>>   http://www.vislab.uq.edu.au/debuntu/tests/
>>> vpcscreen_0.2-4_amd64.deb
>>>
>>> You'll have to download manually and use dpkg to install (rather  
>>> than
>>> apt-get etc.):
>>>   sudo dpkg -i vpcscreen_0.2-4_amd64.deb
>>>
>>>
>>>
>>>>>
>>>>>
>>>>> Anyway, I think I've found the cause in the vpcscreen code and  
>>>>> will
>>>>> apply a simple minded fix for testing. Would you be able to test
>>>>> it? I
>>>>> can't easily replicate your problem here to confirm that the fix
>>>>> works. If you are able to help with the testing, could you confirm
>>>>> that you're using Ubuntu 9.10 and whether you're using 32 or 64bit
>>>>> version please, so that I can build the appropriate version for
>>>>> you?
>>>>>
>>
>> <Philippe_d-Anfray.vcf>
>
> Christoph Willing                       +61 7 3365 8316
> QCIF Access Grid Manager
> University of Queensland
>

Christoph Willing                       +61 7 3365 8316
QCIF Access Grid Manager
University of Queensland