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    Devices frequently requesting ip addresses

    Scheduled Pinned Locked Moved DHCP and DNS
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    • B Offline
      bmurphy1976
      last edited by

      I'm seeing a lot of devices in our DHCP logs doing the following:

      Mar 14 16:11:47 dhcpd DHCPACK on 10.0.2.123 to 70:3e:ac:45:20:fe (TeddyHensiPhone) via igb0_vlan2
      Mar 14 16:11:47 dhcpd DHCPREQUEST for 10.0.2.123 from 70:3e:ac:45:20:fe (TeddyHensiPhone) via igb0_vlan2
      Mar 14 16:11:47 dhcpd reuse_lease: lease age 8288 (secs) under 25% threshold, reply with unaltered, existing lease for 10.0.2.123

      and

      Mar 14 16:40:02 dhcpd DHCPACK on 10.0.1.52 to 08:66:98:9e:d3:34 (Apple-TV-2) via igb0
      Mar 14 16:40:02 dhcpd DHCPREQUEST for 10.0.1.52 from 08:66:98:9e:d3:34 (Apple-TV-2) via igb0
      Mar 14 16:40:02 dhcpd reuse_lease: lease age 6487 (secs) under 25% threshold, reply with unaltered, existing lease for 10.0.1.52

      Anybody know why this might be happening?  All the ones I've looked at so far seem to be apple devices.  The Apple-TV-2 device in particular is doing this every minute!  We've tried rebooting some of these devices and it still happens.

      It doesn't seem to be causing any issues, but it is strange…

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      • johnpozJ Offline
        johnpoz LAYER 8 Global Moderator
        last edited by

        Are these devices in standby or something?

        Devices will sometimes try and update their lease while they are on standby every so often..

        Dhcp server is saying hey your lease is not yet 50% expired.. Come back and ask for a new lease when you hit the 50% mark - for now.. just use that lease.

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