Do you have MacFF enabled? This snoops the DHCP transaction and keeps MAC to IP mapping in a table (for anti-spoofing). Maybe something isn't right in the (presumably) E7 and MacFF isn't functioning quite right? Might try disabling MacFF temporarily to see if any better or maybe disabling DHCP snooping or Option 82 also temporarily.
On Thu, Sep 29, 2016 at 9:12 PM -0600, "Chuck McCown" <ch...@wbmfg.com> wrote: I have not dug into the entrails of DHCP since NAT was added to Canopy, so long time ago. I have Calix ONTs that are going away when their DHCP reservations expire. They normally get them from DHCPatriot. People lose service, they call, we reset the ONT and service comes back. Started a couple of days ago, no network changes to speak of. But about 30% are having the problem. There is no way the DHCPatriot could be causing this is there? Once it hands out an IP and a reservation time, it is out of the loop, right? I suggest setting up an ONT with a reservation time of 1 hour then wireshark the DHCPatriot to see of the ONT ever comes knocking, or if it does, what is going on between those two. Any other troubleshooting ideas out there? Going to bed, hopefully there will be a bunch of brilliant posts in the morning leading us directly to the bad actor.
