Dhcpd.leases file contains duplicate record

[asbirim]

Hello,

i am using pfsense 2.1.1 in our office. when i look in to dhcpd.leases file i saw records of same ip, same mac and different start and end times. But suprisingly dhcpd did not give error of them.

The file looks like

# The format of this file is documented in the dhcpd.leases(5) manual page.
# This lease file was written by isc-dhcp-4.2.5-P1

lease 192.168.128.104 {
  starts 1 2015/09/28 16:11:58;
  ends 1 2015/09/28 18:11:58;
  tstp 1 2015/09/28 18:11:58;
  cltt 1 2015/09/28 16:11:58;
  binding state free;
  hardware ethernet 00:1c:26:95:5c:42;
  uid "\001\000\034&\225\\B";
}
lease 192.168.128.103 {
  starts 2 2015/09/29 08:54:48;
  ends 2 2015/09/29 10:54:48;
  cltt 2 2015/09/29 08:54:48;
  binding state active;
  next binding state free;
  rewind binding state free;
  hardware ethernet 70:14:a6:7f:5f:18;
  uid "\001p\024\246\177_\030";
  client-hostname "Sabris-iPhone";
}
lease 10.0.0.101 {
  starts 2 2015/09/29 09:09:19;
  ends 2 2015/09/29 11:09:19;
  cltt 2 2015/09/29 09:09:19;
  binding state active;
  next binding state free;
  rewind binding state free;
  hardware ethernet 00:1d:7d:4f:c6:de;
  uid "\001\000\035}O\306\336";
  client-hostname "SEKRETER-PC";
}
lease 10.0.0.106 {
  starts 2 2015/09/29 09:43:39;
  ends 2 2015/09/29 11:43:39;
  cltt 2 2015/09/29 09:43:39;
  binding state active;
  next binding state free;
  rewind binding state free;
  hardware ethernet 84:34:97:86:7c:dc;
  uid "\001\2044\227\206|\334";
  client-hostname "AKKOR";
}
server-duid "\000\001\000\001\032\240\206\350\0000\030\255mk";

lease 192.168.128.103 {
  starts 2 2015/09/29 09:58:28;
  ends 3 2015/09/30 09:58:28;
  cltt 2 2015/09/29 09:58:28;
  binding state active;
  next binding state free;
  rewind binding state free;
  hardware ethernet 70:14:a6:7f:5f:18;
  uid "\001p\024\246\177_\030";
  client-hostname "Sabris-iPhone";
}
lease 10.0.0.101 {
  starts 2 2015/09/29 10:09:19;
  ends 2 2015/09/29 12:09:19;
  cltt 2 2015/09/29 10:09:19;
  binding state active;
  next binding state free;
  rewind binding state free;
  hardware ethernet 00:1d:7d:4f:c6:de;
  uid "\001\000\035}O\306\336";
  client-hostname "SEKRETER-PC";
}

is this situation normal?

10.0.0.101 and 192.168.128.103 has duplicate record.

Each record begins with "{" and ends with "}" but some records have "}" char in uid definition. When i look Status->Dhcp Leases the duplicated records doesn't have machine name.

[cmb]

That's normal. Leases don't get removed for some time, renewals end up with additional entries in the leases file.