Sun Cluster & 6130/6140 thru switch with cross-connections not supported?

Hi:
I noticed that the 6140 does not support cross-connecting the 2 controllers to 2 switches for higher availability when using Sun Cluster:
http://docs.sun.com/source/819-7497-10/chapter3.html
Does anyone know why this restriction is there?
Thanks!

Since there was no real answer to the question in this forum, I cross posted this issue to the cluster forum.
See http://forum.java.sun.com/thread.jspa?threadID=5261282&tstart=0 for the full thread.
Basically, the restriction against cross-connections is no longer valid and the documentation should be updated to remove the note.
This is all a good thing, because I had my 6140's wired into my sun cluster environment via the 'cross-connections' method diagramed in figure 3-4. :-)

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