<p><span class="h-card" translate="no"><a href="https://ioc.exchange/@azonenberg" class="u-url mention">@<span>azonenberg</span></a></span> <span class="h-card" translate="no"><a href="https://infosec.exchange/@sycophantic" class="u-url mention">@<span>sycophantic</span></a></span> so while I have your attention: in my Ethernet deframer (connected to output of PHY), how should I treat the preamble? do I just sync on the SFD and ignore all 55's before it? do I count the 55's?</p>