The test system for 4k Ethernet was moved from EY to EX, ending the test at EY.  

The link was tested between the MSR and EX at 100G for a short itme.  The link tested at 80G, the maximum the software can test.

The link is now being tested long-term at 25G.  So far, no issues.

Earlier log entry about test at EY https://alog.ligo-wa.caltech.edu/aLOG/index.php?callRep=87811