ZyXEL Communications GS1910 series User Manual page 55

Chapter 5 Tutorials
Go to Configuration > MAC Table to disable MAC address learning on the intermediate and
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destination ports so that the Switch will NOT filter or forward a frame based on the frame's
destination MAC address, or even drop the frame whose MAC address is not in the MAC address
table on these ports.
GS1910/XGS1910 Series User's Guide
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