jasonvp wrote:
The SG500 series switches support a feature called "Stacking" which turns 2 or more switches into a single logical switch (basically). So a LAG across 2 switches to a single server should work just fine, assuming the OP has in fact enabled the stacking feature.
From a quick view in the manual, starting page 150, I see nothing really that states that it is either supported or unsupported. However, the stacking might be so solid that it does not have to be specific mentioned at all.