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ccollins avatar Ubuntu

ISC-DHCP-Server Failover

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ccollins

We have recently began a project to include a Primary/Secondary ISC Failover pair. We have both servers setup and running and talking to each other.

The issue we are running into is that the lease file on the primary server has all the correct option-82 information, but the secondary servers lease file does not.

It shows the lease for the host but just has the timing information and the hosts mac address.

Primary server lease entry:

lease 192.168.22.236 {
  starts 5 2023/03/03 20:46:55;
  ends 5 2023/03/03 21:16:55;
  tstp 5 2023/03/03 22:01:55;
  tsfp 5 2023/03/03 22:01:55;
  atsfp 5 2023/03/03 22:01:55;
  cltt 5 2023/03/03 20:46:55;
  binding state active;
  next binding state expired;
  hardware ethernet 00:06:f2:ac:00:0e;
  option agent.circuit-id "EXA_Lab_001 Eth 1/1/2/3/G1:996";
  option agent.remote-id "0000010";
  option agent.unknown-6 "0000010";
  option agent.unknown-9 0:0:13:a:8:61:65:31:30:3a:39:39:36;
}

Secondary lease file entry

lease 192.168.22.236 {
  starts 5 2023/03/03 20:46:55;
  ends 5 2023/03/03 21:16:55;
  tsfp 5 2023/03/03 22:01:55;
  atsfp 5 2023/03/03 22:01:55;
  binding state active;
  next binding state expired;
  hardware ethernet 00:06:f2:ac:00:0e;
}

Any help on this would be greatly appreciated.

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guiverc avatar
cn flag
guiverc
You've provided no OS/product/release details; clues as to the software stack in use is generally the starting point.
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