fb55d">netif_ip4_addr</a>(<a class="el" href="structnetif.html">netif</a>))</td>
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<p>For Ethernet network interfaces, we might want to send "gratuitous ARP"; this is an ARP packet sent by a node in order to spontaneously cause other nodes to update an entry in their ARP cache. From RFC 3220 "IP Mobility Support for IPv4" section 4.6. </p>

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<h2 class="groupheader">Function Documentation</h2>
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