I think I'll some more detail about the modified version of DHCPd. It doesn't have to dole out leases on its own network segment. All DHCP requests arrive via dhcrelay. The server uses the relay IP address as an index to pools of IP addresses. That's how it can give the same IP address to multiple devices in different tenants.
Rob From: Kea-users [mailto:[email protected]] On Behalf Of Sutherland, Robert Sent: Friday, March 02, 2018 3:28 PM To: [email protected] Subject: [External Source] [Kea-users] Suggestions solicited to help transition away from ISC DHCPd Hello all. I have an unusual situation and I was hoping for some inspiration. I'm sure that this will be entertaining as well, in a "WTF?" kind of way. I am trying to wean my company off ISC DHCPd to Kea for many reasons. The main hurdle is that the version of DHCPd that we use has been rather extensively ... modified (other adjectives come to mind. Ones such as "butchered". But I digress.) The best way to describe these changes is to describe the intended behaviour. Our product is multi-tenanted. Each tenant has a bunch of devices (IP phones) that DHCP as expected and form part of our network plane. Many of these tenants have other devices that are also served DHCP addresses by our product. These devices are PCs, printers and whatnot. Their network traffic never crosses the router towards our systems. Straightforward so far. Here's the wonky part: because these network segments are isolated, they can have overlapping IP ranges without conflict. In fact, the same IP address can be assigned to devices in different tenants. I have argued that this behavior can be most charitably described as "bizarre" and that it anchors us to a particular version of DHCPd to no avail. I have no objection to writing hooks but I don't even know where to begin. Any suggestions? Thanks, Rob Rob Sutherland Senior Product Developer - silhouette R&D | Windstream [email protected]<mailto:[email protected]> | broadviewnet.com p: 613-280-2008 (Canada) p: 973-848-8811 (US) This email message and any attachments are for the sole use of the intended recipient(s). Any unauthorized review, use, disclosure or distribution is prohibited. If you are not the intended recipient, please contact the sender by reply email and destroy all copies of the original message and any attachments.
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