Cannot set any network interface advanced setting at a VM-series (VM300):
the fields are gray out... why?
Solved! Go to Solution.
This is an expected behavior from a VM series firewall. Link speed and duplex are not relevant for a virtual interface and do not need to be checked. That's why those 2 options ( Link-Speed, Link-Duplex) are gray out.
Please follow below mentioned documents for more information.
VM-Series Troubleshooting ( See page No-7)
Hope this helps.
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