Hi, I am trying to start kea dhcp with client classification using option 82 through dhcp relay server.
When client tries to do renew of ip address, tries to prolongate his lease, kea response with NAK. The problem is that when client makes simple dhcp discover, the packet goes broadcast through the router, router acts like dhcp relay and relays packet to dhcp server kea with added option 82. But when client makes dhcp renewal-packet goes unicast directly to dhcp server without option 82. As I understand, this causes kea to response with NAK, because packet doesn't match to subnet rule criteria. In the logs I see message "ailed to select a subnet for incoming packet, src 100.64.1.1, type DHCPREQUEST" Is there a way to configure kea to accept renewal requests if lease already exists and mac address of a client corresponds to stores lease? Full log - https://pastebin.com/yviEFneL Full config - https://pastebin.com/2DxfQKb6 Thanks for any advice Libor
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