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<p>Sorry, seems I didn't make question clear. Maybe let me ask
another question to help with this. So, how is the kernel check
those staled arp entries? Or, what is the mechanism that the
kernel uses to find the out of date entries?</p>
<p>Thanks,</p>
<p>Yisu<br>
</p>
<br>
<div class="moz-cite-prefix">On 11/30/2016 1:41 AM, Anupam Kapoor
wrote:<br>
</div>
<blockquote
cite="mid:CAEXHiZEjWrd=F=VJupyT0BQRUiy4ee6E=UK4u=_yrjU_vs7MVw@mail.gmail.com"
type="cite">
<div style="white-space:pre-wrap">FYI</div>
<br>
<div class="gmail_quote">
<div dir="ltr">---------- Forwarded message ---------<br>
From: Anupam Kapoor <<a moz-do-not-send="true"
href="mailto:anupam.kapoor@gmail.com">anupam.kapoor@gmail.com</a>><br>
Date: Tue, 29 Nov 2016 at 1:25 PM<br>
Subject: Re: Question about arp caches<br>
To: Shawn Peng <<a moz-do-not-send="true"
href="mailto:yisupeng@gmail.com">yisupeng@gmail.com</a>><br>
</div>
<br>
<br>
<div dir="ltr" class="gmail_msg">
<div class="gmail_default gmail_msg"
style="font-family:monospace,monospace"><span
style="font-family:arial,sans-serif" class="gmail_msg">On
Tue, Nov 29, 2016 at 12:49 PM, Shawn Peng </span><span
dir="ltr" style="font-family:arial,sans-serif"
class="gmail_msg"><<a moz-do-not-send="true"
href="mailto:yisupeng@gmail.com" class="gmail_msg"
target="_blank">yisupeng@gmail.com</a>></span><span
style="font-family:arial,sans-serif" class="gmail_msg">
wrote:</span></div>
</div>
<div dir="ltr" class="gmail_msg">
<div class="gmail_extra gmail_msg">
<div class="gmail_quote gmail_msg">
<blockquote class="gmail_quote gmail_msg" style="margin:0
0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">I
find a lot references of the function neigh_release(),
can you direct me to the one that releases a staled arp
entry?</blockquote>
</div>
<br class="gmail_msg">
</div>
</div>
<div dir="ltr" class="gmail_msg">
<div class="gmail_extra gmail_msg">
<div class="gmail_default gmail_msg"
style="font-family:monospace,monospace">neigh_destroy(...)
is probably what you are looking for.</div>
<div class="gmail_default gmail_msg"
style="font-family:monospace,monospace"><br
class="gmail_msg">
</div>
<div class="gmail_default gmail_msg"
style="font-family:monospace,monospace">--</div>
<div class="gmail_default gmail_msg"
style="font-family:monospace,monospace">kind regards</div>
</div>
</div>
<div dir="ltr" class="gmail_msg">
<div class="gmail_extra gmail_msg">
<div class="gmail_default gmail_msg"
style="font-family:monospace,monospace">anupam</div>
<br class="gmail_msg">
<br class="gmail_msg" clear="all">
<div class="gmail_msg"><br class="gmail_msg">
</div>
-- <br class="gmail_msg">
</div>
</div>
<div dir="ltr" class="gmail_msg">
<div class="gmail_extra gmail_msg">
<div class="m_7965171199158732005gmail_signature gmail_msg"
data-smartmail="gmail_signature">
<div dir="ltr" class="gmail_msg">
<div class="gmail_msg"><font class="gmail_msg"
face="monospace, monospace">In the beginning was the
lambda, and the lambda was with Emacs, and Emacs was
the lambda. </font></div>
</div>
</div>
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<br>
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<br>
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</pre>
</blockquote>
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