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<p class="MsoNormal">Hi all,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I have some questions I am hoping someone can give some insight into. <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I work at a post-secondary and we are working on migrating to Kea for DHCP services. <o:p></o:p></p>
<p class="MsoNormal">The previous design had a pair of DHCP servers for each distribution level and there are 5 distributions so 10 servers total. <o:p></o:p></p>
<p class="MsoNormal">We are collapsing these down to two fairly powerful servers. <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Some information to understand the layout and issue. <o:p></o:p></p>
<p class="MsoNormal">We also have a set of wireless controllers for each distribution. <o:p></o:p></p>
<p class="MsoNormal">We run IPv4 and use 10.x.x.x IP space internally. <o:p></o:p></p>
<p class="MsoNormal">Each distribution has been assigned a /19 for wireless AP management networks which are subnetted into /26 (one network per stack of access switches). <o:p></o:p></p>
<p class="MsoNormal">To complicate matters we are looking at including multiple wireless vendors. <o:p></o:p></p>
<p class="MsoNormal">Ideally, all vendors would use the same wireless access point management networks (the /19 per distribution subnetted to /26 per access swtich stack). <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">The issue I am grappling with is how to classify efficiently. <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Classifying the vendor is straightforward given the examples from the Kea documentation. <o:p></o:p></p>
<p class="MsoNormal">And we can classify the network based on an IP using something like giaddr, but that means for every /26 network we need a classification. Seems excessive so I have been looking for a way to summarize.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Something like:<o:p></o:p></p>
<p class="MsoNormal">- if vendor x and subnet 10.198.0.0/19 respond with controllers x1 and x2<o:p></o:p></p>
<p class="MsoNormal">- if vendor y and subnet 10.198.0.0/19 respond with controllers y1 and y2<o:p></o:p></p>
<p class="MsoNormal">- if vendor x and subnet 10.198.32.0/19 respond with controllers x3 and x4<o:p></o:p></p>
<p class="MsoNormal">- if vendor y and subnet 10.198.32.0/19 respond with controllers y3 and y4<o:p></o:p></p>
<p class="MsoNormal">... <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I had tried using a subnet in the test section with giaddr, but Kea complained about the syntax. <o:p></o:p></p>
<p class="MsoNormal">I then tried creating a /19 subnet and dealing with the controller assignment there and then the /26 subnet to respond with appropriate gateway, lease time, dns, and manage the address pools for that network. But Kea wouldn't hand out IP
addresses in this config. <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Anyone have any thoughts on how to achieve the efficiency goal?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks for your time.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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