<div dir="ltr"><div><span style="font-size:12.8px"><br></span></div><span style="font-size:12.8px">Hi,</span><br style="font-size:12.8px"><span style="font-size:12.8px"> We are running DHCP Server, ISC DHCPd version in a cluster mode. 4.3.1. </span><span style="font-size:12.8px">For a few days now we are getting the following. Can this possibly be due </span><span style="font-size:12.8px">to a failure in syncing of the lease pool information between the DHCP </span><span style="font-size:12.8px">cluster nodes? If so, what is the workaround?</span><br style="font-size:12.8px"><br style="font-size:12.8px"><span style="font-size:12.8px">Note: I have masked the IP, MAC, port, FQDN information for </span><span style="font-size:12.8px">privacy/security reasons.</span><br style="font-size:12.8px"><br style="font-size:12.8px"><span style="font-size:12.8px">*Excerpts from "/etc/opt/csw/dhcpd.conf"*</span><br style="font-size:12.8px"><br style="font-size:12.8px"><span style="font-size:12.8px">*Cluster node config details >*</span><br style="font-size:12.8px"><br style="font-size:12.8px"><span style="font-size:12.8px">failover peer "failover" {</span><br style="font-size:12.8px"><br style="font-size:12.8px"><span style="font-size:12.8px"> secondary;</span><br style="font-size:12.8px"><span style="font-size:12.8px"> address 15x.xxx.xxx.5;</span><br style="font-size:12.8px"><span style="font-size:12.8px"> port x47;</span><br style="font-size:12.8px"><span style="font-size:12.8px"> peer address 15x.xxx.xxx.6;</span><br style="font-size:12.8px"><span style="font-size:12.8px"> peer port x47;</span><br style="font-size:12.8px"><span style="font-size:12.8px"> max-response-delay 60;</span><br style="font-size:12.8px"><span style="font-size:12.8px"> max-unacked-updates 10;</span><br style="font-size:12.8px"><span style="font-size:12.8px"> load balance max seconds 3;</span><br style="font-size:12.8px"><span style="font-size:12.8px"> mclt 3600;</span><br style="font-size:12.8px"><span style="font-size:12.8px"># split 128;</span><br style="font-size:12.8px"><span style="font-size:12.8px">}</span><br style="font-size:12.8px"><br style="font-size:12.8px"><br style="font-size:12.8px"><span style="font-size:12.8px">*Relevant portion of the subnet's lease >*</span><br style="font-size:12.8px"><br style="font-size:12.8px"><span style="font-size:12.8px">subnet 10.xxx.24.0 netmask 255.255.254.0 {</span><br style="font-size:12.8px"><span style="font-size:12.8px"> ddns-updates on;</span><br style="font-size:12.8px"><span style="font-size:12.8px"> pool {</span><br style="font-size:12.8px"><span style="font-size:12.8px"> range 10.xxx.24.101 10.xxx.25.254;</span><br style="font-size:12.8px"><span style="font-size:12.8px"> failover peer "failover";</span><br style="font-size:12.8px"><span style="font-size:12.8px"> }</span><br style="font-size:12.8px"><span style="font-size:12.8px"> option routers 10.xxx.24.1;</span><br style="font-size:12.8px"><span style="font-size:12.8px"> option domain-name-servers xxx.xxx.xxx.xxx;</span><br style="font-size:12.8px"><span style="font-size:12.8px"> option domain-name "</span><a href="http://dhcp.xxx.xxx.com/" rel="noreferrer" target="_blank" style="font-size:12.8px">dhcp.xxx.xxx.com</a><span style="font-size:12.8px">";</span><br style="font-size:12.8px"><span style="font-size:12.8px"> option ntp-servers 157.xxx.xxx.5 , 157.xxx.xxx.6;</span><br style="font-size:12.8px"><span style="font-size:12.8px"> option netbios-name-servers 157.xxx.xxx.xx;</span><br style="font-size:12.8px"><span style="font-size:12.8px"> }</span><br style="font-size:12.8px"><br style="font-size:12.8px"><br style="font-size:12.8px"><span style="font-size:12.8px">Mar 29 18:20:14 </span><a href="http://dns1.xxx.xxx.com/" rel="noreferrer" target="_blank" style="font-size:12.8px">dns1.xxx.xxx.com</a><span style="font-size:12.8px"> dhcpd: [ID 702911 local1.error]</span><br style="font-size:12.8px"><span style="font-size:12.8px">DHCPDISCOVER from 5c:xx:xx:xx:7c:72 via 10.xxx.24.3: *peer holds all free </span><span style="font-size:12.8px">leases*</span><br style="font-size:12.8px"><br style="font-size:12.8px"><span style="font-size:12.8px">Mar 29 18:20:14 </span><a href="http://dns1.xxx.xxx.com/" rel="noreferrer" target="_blank" style="font-size:12.8px">dns1.xxx.xxx.com</a><span style="font-size:12.8px"> dhcpd: [ID 702911 local1.error]</span><br style="font-size:12.8px"><span style="font-size:12.8px">DHCPDISCOVER from 5c:xx:xx:xx:7c:72 via 10.xxx.24.2: *peer holds all free </span><span style="font-size:12.8px">leases*</span><br style="font-size:12.8px"><br style="font-size:12.8px"><br style="font-size:12.8px"><span style="font-size:12.8px">Mar 29 18:20:14 </span><a href="http://dns2.xxx.xxx.com/" rel="noreferrer" target="_blank" style="font-size:12.8px">dns2.xxx.xxx.com</a><span style="font-size:12.8px"> dhcpd: [ID 702911 local1.error]</span><br style="font-size:12.8px"><span style="font-size:12.8px">DHCPDISCOVER from 5c:xx:xx:xx:7c:72 via 10.xxx.24.2: *peer holds all free </span><span style="font-size:12.8px">leases*</span><br style="font-size:12.8px"><br style="font-size:12.8px"><span style="font-size:12.8px">Mar 29 18:20:14 </span><a href="http://dns2.xxx.xxx.com/" rel="noreferrer" target="_blank" style="font-size:12.8px">dns2.xxx.xxx.com</a><span style="font-size:12.8px"> dhcpd: [ID 702911 local1.error]</span><br style="font-size:12.8px"><span style="font-size:12.8px">DHCPDISCOVER from 5c:xx:xx:xx:7c:72 via 10.xxx.24.3:* peer holds all free </span><span style="font-size:12.8px">leases*</span><br style="font-size:12.8px"><br style="font-size:12.8px"><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><b>Thanks and Regards</b></div><div><b>Prabir Sarkar</b></div></div></div></div></div>
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