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    DHCP RENEW PROBLEM

    Scheduled Pinned Locked Moved DHCP and DNS
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    • D
      DUFEU
      last edited by

      Hello,

      Since two weeks we have a problem on our DHCP Server with dhcp adress renew on our clients.
      All 24 hours, clients lose IP adress and there is a network break for client.

      Problem is on dhcp renew adress.

      On syslog :
      <191>1 2018-10-29T00:32:42+01:00 10.17.13.2 dhcpd - - - dhcpd: reuse_lease: lease age 1191 (secs) under 25% threshold, reply with unaltered, existing lease for 10.17.0.145
      <190>1 2018-10-29T00:32:42+01:00 10.17.13.2 dhcpd - - - dhcpd: DHCPDISCOVER from bc:5f:f4:f7:2b:18 (Toyal-P525) via lagg0.1
      <191>1 2018-10-29T00:32:42+01:00 10.17.13.2 dhcpd - - - dhcpd: ICMP Echo reply while lease 10.17.0.145 valid.
      <187>1 2018-10-29T00:32:42+01:00 10.17.13.2 dhcpd - - - dhcpd: Abandoning IP address 10.17.0.145: pinged before offer
      <190>1 2018-10-29T00:32:42+01:00 10.17.13.2 dhcpd - - - dhcpd: Removed reverse map on 145.0.17.10.in-addr.arpa.
      But client TOYAL-P525 was 10.17.0.145 !!!!

      After :
      <190>1 2018-10-29T01:12:51+01:00 10.17.13.2 dhcpd - - - dhcpd: DHCPREQUEST for 10.17.0.145 from bc:5f:f4:f7:2b:18 via lagg0.1: unknown lease 10.17.0.145.

      On DHCP Lease in PFSENSE:
      !accous.accous.toyal-europe - Status DHCP Leases - Mozilla Firefox_2.jpg!

      And client take a new ip adress :
      !accous.accous.toyal-europe - Status DHCP Leases - Mozilla Firefox_3.jpg!

      I don't understand why client didn't renew his adress...

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