if you have a tiny ARP table or if there never are concurrent connections. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#ga1a446932dd927cc4136ba654c13bb97b">&#9670;&nbsp;</a></span>LWIP_NETIF_LINK_CALLBACK</h2>

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          <td class="memname">#define LWIP_NETIF_LINK_CALLBACK&#160;&#160;&#160;0</td>
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