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<p>I stumbled upon your reply in my INBOX which I seldom check for
this email account. I don't<br>
know which email client you're using but for Thunderbird you
should use "Reply List".</p>
<p>Your tcpdump of the traffic for the working client <b>is</b> on
the same subnet as your DHCP server:<br>
</p>
<pre class="moz-quote-pre" wrap=""><font color="#993300">10.208.39.250.bootpc > 10.208.38.1.bootps</font></pre>
<p><br>
However, the two non-working clients appear to be <b>off-subnet</b>:<br>
</p>
<pre class="moz-quote-pre" wrap=""><font color="#993300">10.208.8.1.bootps > 10.208.0.27.bootps
10.208.16.1.bootps > 10.208.0.27.bootps
</font></pre>
<p>Are you using relays? What IP addresses does your DHCP server
have?<br>
<font color="#993300"><tt>ip -o -4 addr</tt><tt><br>
</tt></font><br>
Bill<br>
</p>
<div class="moz-cite-prefix">On 1/20/2020 7:01 PM, Bill Shirley
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:a36d920a-ff8a-2d62-3feb-080ded4f8abb@c3po.polymerindustries.biz">
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<p>Run a tcpdump on the network interface looking for DHCP
traffic. Are there any responses?<br>
<font color="#993300"><tt># IPv4</tt><tt><br>
</tt><tt>tcpdump -vv -e -n -i lan10 'portrange 67-68'</tt><tt><br>
</tt><tt># IPv6</tt><tt><br>
</tt><tt>tcpdump -X -l -vv -e -n -i wifi 'portrange 546-547'</tt><tt><br>
</tt></font><br>
Who is handling your logging? systemd-journald? rsyslogd?<br>
<br>
Bill<br>
</p>
<div class="moz-cite-prefix">On 1/20/2020 12:17 AM, Purva Rawan
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:1961288603.14034.1579497450704.JavaMail.open-xchange@webmail.cdac.in">
<meta content="text/html; charset=UTF-8"
http-equiv="Content-Type">
<p align="LEFT"><span style="color: #242729;"><span
style="font-family: Arial, 'Helvetica Neue', Helvetica,
sans-serif;"><span>Hi,</span></span></span></p>
<p align="LEFT"><span style="color: #242729;"><span
style="font-family: Arial, 'Helvetica Neue', Helvetica,
sans-serif;"><span>We are using ISC-DHCP version is 4.1.1
on centos 6.4 .DHCP service started becoming
unresponsive once every week . The server itself is up
and running, but the DHCP service was unresponsive.We
restarted the service. But after few days dhcp service
stopped working. No entries were written to the dhcp
log, and there was nothing helpful in any event log.We
observed that Load on server ,CPU utilization ,HDD
utilization,network traffic are normal during service
get freeze.</span></span></span></p>
<p align="LEFT"><span style="color: #242729;"><span
style="font-family: Arial, 'Helvetica Neue', Helvetica,
sans-serif;"><span>How to fix this issue?</span></span></span></p>
<p align="LEFT">Regards,</p>
<p align="LEFT">Purva </p>
<br>
<br>
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