F-tile ethernet hard ip in agilex7

Hello,

May I know what type of cable is being used in your setup?

There is no Parameter Editor option to drop or filter undersized frames. The GUI only exposes maximum frame size (TX/RX maximum frame size, Enforce maximum frame size) which handles oversized frames, not undersized ones.

On your MAC segmented interface, undersized frames are flagged via:

o_rx_mac_fcs_error = asserted at EOP for FCS error, malformed, undersized, or truncated oversize
o_rx_mac_error[1:0] = 2'd2 — explicitly “Undersized (frame shorter than 64b)”

The MAC does not silently drop undersized frames by default, it forwards them to the client with error status set. To filter them, add logic in your client to discard frames where o_rx_mac_fcs_error or o_rx_mac_error == 2'd2 at EOP.

Regards,

Pavee