The 2500Base-X standard does NOT allow such "short" preambles. Now 2.5G SGMII seems to be "fast SGMII", which means that the MAC believes it is ok to shorten the preamble. However, 2500Base-X does not allow short preambles. In my case some packets had 7 bytes and some had 6 ...
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2.5G PoE SwitchThe network switch includes 4 x 2.5 Gigabit PoE ports, 2 x 10G SFP Port (Compatible 1G/2.5G Module, not include SFP Module). Ports 1-4 Compliant IEEE IEEE802.3bz (2.5G) standard, support 10/100/1000M/2.5G adaptive, Auto MDI/MDIX. ...
The 2500Base-X standard does NOT allow such "short" preambles. Now 2.5G SGMII seems to be "fast SGMII", which means that the MAC believes it is ok to shorten the preamble. However, 2500Base-X does not allow short preambles. In my case some packets had 7 bytes and some had 6 ...
The 2500Base-X standard does NOT allow such "short" preambles. Now 2.5G SGMII seems to be "fast SGMII", which means that the MAC believes it is ok to shorten the preamble. However, 2500Base-X does not allow short preambles. In my case some packets had 7 bytes and som...