On Mar 21, 2013, at 9:52 PM, David A. Boger <dab...@psu.edu> wrote:

> If I add "-mca oob_tcp_if_exclude cscotun0", then the corresponding address 
> for that vpn interface no longer shows up in contact.txt, but the problem 
> remains. I also add "-mca btl ^cscotun0 -mca btl_tcp_if_exclude cscotun0" 
> with no effect.

I don't know if you have resolved this or not, but I notice you seem to have an 
error in your exclude line.  You should probably do:

    mpirun --mca oob_tcp_if_exclude lo,cscotun0 --mca btl_tcp_if_exclude 
lo,cscotun0 ...

Or, better yet, just *include* the one interface that you want (so that you 
don't have to remember to *also* exclude localhost, and/or any other 
problematic interfaces):

    mpirun --mca oob_tcp_if_include en0 --mca btl_tcp_if_include en0 ...

-- 
Jeff Squyres
jsquy...@cisco.com
For corporate legal information go to: 
http://www.cisco.com/web/about/doing_business/legal/cri/


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