<div dir="ltr"><div>Hi!</div><div><br></div><div>I'm trying to get isc-dhcp-server 4.2.2 to give leases based only on the option-82 value. If we replace a host it should be plug and play, unplug old host, remove it, install new host, plug it in, and it should immediately get the same ip + boot the same pxe image as the old host without any further configuration of the host.</div><div><br></div><div>I also tried 4.2.6 and 4.3.3-p1 which i built from source, i even added all debugging features i could find besides the one depending on dump_packet since compile breaks when adding that, Either way it's not giving any usefull information besides the extra output of "Not returning a lease."</div><div><br></div><div>I have a subnet and hosts declared like this:</div><div><br></div><div>subnet 10.1.13.0 netmask 255.255.255.0 {</div><div> option routers 10.1.13.1;</div><div> option broadcast-address 10.1.13.255;</div><div> ddns-domainname "r13.int.domai";</div><div> ddns-ttl 604800;</div><div> option domain-name "r13.int.domai";</div><div> option domain-name-servers 10.0.0.11, 10.0.0.12;</div><div> next-server 10.0.0.10;</div><div> option ntp-servers xx.yy.zz.63, xx.yy.zz.62, xx.yy.zz.61, xx.yy.zz.60, xx.yy.zz.59, xx.yy.zz.58;</div><div>option pxelinux.pathprefix "/boot/debinstall/debmaint/";</div><div>}</div><div><br></div><div>group {</div><div> host s1-ilo.r13.int.domai { host-identifier option agent.circuit-id "s1-ilo.r13.int.domai"; fixed-address 10.1.13.201; option host-name "s1-ilo"; ddns-hostname "s1-ilo";}</div><div> host s2-ilo.r13.int.domai { host-identifier option agent.circuit-id "s2-ilo.r13.int.domai"; fixed-address 10.1.13.202; option host-name "s2-ilo"; ddns-hostname "s2-ilo";}</div><div> host s3-ilo.r13.int.domai { host-identifier option agent.circuit-id "s3-ilo.r13.int.domai"; fixed-address 10.1.13.203; option host-name "s3-ilo"; ddns-hostname "s3-ilo";}</div><div> host s4-ilo.r13.int.domai { host-identifier option agent.circuit-id "s4-ilo.r13.int.domai"; fixed-address 10.1.13.204; option host-name "s4-ilo"; ddns-hostname "s4-ilo";}</div><div> host s5-ilo.r13.int.domai { host-identifier option agent.circuit-id "s5-ilo.r13.int.domai"; fixed-address 10.1.13.205; option host-name "s5-ilo"; ddns-hostname "s5-ilo";}</div><div> host s6-ilo.r13.int.domai { host-identifier option agent.circuit-id "s6-ilo.r13.int.domai"; fixed-address 10.1.13.206; option host-name "s6-ilo"; ddns-hostname "s6-ilo";}</div><div> host s7-ilo.r13.int.domai { host-identifier option agent.circuit-id "s7-ilo.r13.int.domai"; fixed-address 10.1.13.207; option host-name "s7-ilo"; ddns-hostname "s7-ilo";}</div><div> host s8-ilo.r13.int.domai { host-identifier option agent.circuit-id "s8-ilo.r13.int.domai"; fixed-address 10.1.13.208; option host-name "s8-ilo"; ddns-hostname "s8-ilo";}</div><div> host s9-ilo.r13.int.domai { host-identifier option agent.circuit-id "s9-ilo.r13.int.domai"; fixed-address 10.1.13.209; option host-name "s9-ilo"; ddns-hostname "s9-ilo";}</div><div> host s10-ilo.r13.int.domai { host-identifier option agent.circuit-id "s10-ilo.r13.int.domai"; fixed-address 10.1.13.210; option host-name "s10-ilo"; ddns-hostname "s10-ilo";}</div><div> host s11-ilo.r13.int.domai { host-identifier option agent.circuit-id "s11-ilo.r13.int.domai"; fixed-address 10.1.13.211; option host-name "s11-ilo"; ddns-hostname "s11-ilo";}</div><div> host s12-ilo.r13.int.domai { host-identifier option agent.circuit-id "s12-ilo.r13.int.domai"; fixed-address 10.1.13.212; option host-name "s12-ilo"; ddns-hostname "s12-ilo";}</div><div> host s13-ilo.r13.int.domai { host-identifier option agent.circuit-id "s13-ilo.r13.int.domai"; fixed-address 10.1.13.213; option host-name "s13-ilo"; ddns-hostname "s13-ilo";}</div><div> host s14-ilo.r13.int.domai { host-identifier option agent.circuit-id "s14-ilo.r13.int.domai"; fixed-address 10.1.13.214; option host-name "s14-ilo"; ddns-hostname "s14-ilo";}</div><div> host s15-ilo.r13.int.domai { host-identifier option agent.circuit-id "s15-ilo.r13.int.domai"; fixed-address 10.1.13.215; option host-name "s15-ilo"; ddns-hostname "s15-ilo";}</div><div> host s16-ilo.r13.int.domai { host-identifier option agent.circuit-id "s16-ilo.r13.int.domai"; fixed-address 10.1.13.216; option host-name "s16-ilo"; ddns-hostname "s16-ilo";}</div><div> host s17-ilo.r13.int.domai { host-identifier option agent.circuit-id "s17-ilo.r13.int.domai"; fixed-address 10.1.13.217; option host-name "s17-ilo"; ddns-hostname "s17-ilo";}</div><div> host s18-ilo.r13.int.domai { host-identifier option agent.circuit-id "s18-ilo.r13.int.domai"; fixed-address 10.1.13.218; option host-name "s18-ilo"; ddns-hostname "s18-ilo";}</div><div> host s19-ilo.r13.int.domai { host-identifier option agent.circuit-id "s19-ilo.r13.int.domai"; fixed-address 10.1.13.219; option host-name "s19-ilo"; ddns-hostname "s19-ilo";}</div><div> host s20-ilo.r13.int.domai { host-identifier option agent.circuit-id "s20-ilo.r13.int.domai"; fixed-address 10.1.13.220; option host-name "s20-ilo"; ddns-hostname "s20-ilo";}</div><div> host s21-ilo.r13.int.domai { host-identifier option agent.circuit-id "s21-ilo.r13.int.domai"; fixed-address 10.1.13.221; option host-name "s21-ilo"; ddns-hostname "s21-ilo";}</div><div> host s22-ilo.r13.int.domai { host-identifier option agent.circuit-id "s22-ilo.r13.int.domai"; fixed-address 10.1.13.222; option host-name "s22-ilo"; ddns-hostname "s22-ilo";}</div><div> host s23-ilo.r13.int.domai { host-identifier option agent.circuit-id "s23-ilo.r13.int.domai"; fixed-address 10.1.13.223; option host-name "s23-ilo"; ddns-hostname "s23-ilo";}</div><div> host s24-ilo.r13.int.domai { host-identifier option agent.circuit-id "s24-ilo.r13.int.domai"; fixed-address 10.1.13.224; option host-name "s24-ilo"; ddns-hostname "s24-ilo";}</div><div> host s25-ilo.r13.int.domai { host-identifier option agent.circuit-id "s25-ilo.r13.int.domai"; fixed-address 10.1.13.225; option host-name "s25-ilo"; ddns-hostname "s25-ilo";}</div><div> host s26-ilo.r13.int.domai { host-identifier option agent.circuit-id "s26-ilo.r13.int.domai"; fixed-address 10.1.13.226; option host-name "s26-ilo"; ddns-hostname "s26-ilo";}</div><div> host s27-ilo.r13.int.domai { host-identifier option agent.circuit-id "s27-ilo.r13.int.domai"; fixed-address 10.1.13.227; option host-name "s27-ilo"; ddns-hostname "s27-ilo";}</div><div> host s28-ilo.r13.int.domai { host-identifier option agent.circuit-id "s28-ilo.r13.int.domai"; fixed-address 10.1.13.228; option host-name "s28-ilo"; ddns-hostname "s28-ilo";}</div><div> host s29-ilo.r13.int.domai { host-identifier option agent.circuit-id "s29-ilo.r13.int.domai"; fixed-address 10.1.13.229; option host-name "s29-ilo"; ddns-hostname "s29-ilo";}</div><div> host s30-ilo.r13.int.domai { host-identifier option agent.circuit-id "s30-ilo.r13.int.domai"; fixed-address 10.1.13.230; option host-name "s30-ilo"; ddns-hostname "s30-ilo";}</div><div> host s31-ilo.r13.int.domai { host-identifier option agent.circuit-id "s31-ilo.r13.int.domai"; fixed-address 10.1.13.231; option host-name "s31-ilo"; ddns-hostname "s31-ilo";}</div><div> host s32-ilo.r13.int.domai { host-identifier option agent.circuit-id "s32-ilo.r13.int.domai"; fixed-address 10.1.13.232; option host-name "s32-ilo"; ddns-hostname "s32-ilo";}</div><div> host s33-ilo.r13.int.domai { host-identifier option agent.circuit-id "s33-ilo.r13.int.domai"; fixed-address 10.1.13.233; option host-name "s33-ilo"; ddns-hostname "s33-ilo";}</div><div> host s34-ilo.r13.int.domai { host-identifier option agent.circuit-id "s34-ilo.r13.int.domai"; fixed-address 10.1.13.234; option host-name "s34-ilo"; ddns-hostname "s34-ilo";}</div><div> host s35-ilo.r13.int.domai { host-identifier option agent.circuit-id "s35-ilo.r13.int.domai"; fixed-address 10.1.13.235; option host-name "s35-ilo"; ddns-hostname "s35-ilo";}</div><div> host s36-ilo.r13.int.domai { host-identifier option agent.circuit-id "s36-ilo.r13.int.domai"; fixed-address 10.1.13.236; option host-name "s36-ilo"; ddns-hostname "s36-ilo";}</div><div> host s37-ilo.r13.int.domai { host-identifier option agent.circuit-id "s37-ilo.r13.int.domai"; fixed-address 10.1.13.237; option host-name "s37-ilo"; ddns-hostname "s37-ilo";}</div><div> host s38-ilo.r13.int.domai { host-identifier option agent.circuit-id "s38-ilo.r13.int.domai"; fixed-address 10.1.13.238; option host-name "s38-ilo"; ddns-hostname "s38-ilo";}</div><div> host s39-ilo.r13.int.domai { host-identifier option agent.circuit-id "s39-ilo.r13.int.domai"; fixed-address 10.1.13.239; option host-name "s39-ilo"; ddns-hostname "s39-ilo";}</div><div> host s40-ilo.r13.int.domai { host-identifier option agent.circuit-id "s40-ilo.r13.int.domai"; fixed-address 10.1.13.240; option host-name "s40-ilo"; ddns-hostname "s40-ilo";}</div><div>}</div><div><br></div><div><br></div><div>And all i get in the log is:</div><div>2016-02-04T18:35:48.124024+00:00 dhcphost dhcpd: DHCPDISCOVER from 34:17:eb:e7:01:52 via <a href="http://10.1.13.2">10.1.13.2</a>: network <a href="http://10.1.13.0/24">10.1.13.0/24</a>: no free leases</div><div>2016-02-04T18:35:48.124055+00:00 dhcphost dhcpd: DHCPDISCOVER from 34:17:eb:e7:01:52 via <a href="http://10.1.13.2">10.1.13.2</a>: network <a href="http://10.1.13.0/24">10.1.13.0/24</a>: no free leases</div><div>2016-02-04T18:35:48.240046+00:00 dhcphost dhcpd: DHCPDISCOVER from 34:17:eb:e7:47:1c via <a href="http://10.1.13.2">10.1.13.2</a>: network <a href="http://10.1.13.0/24">10.1.13.0/24</a>: no free leases</div><div>2016-02-04T18:35:48.240152+00:00 dhcphost dhcpd: DHCPDISCOVER from 34:17:eb:e7:47:1c via <a href="http://10.1.13.2">10.1.13.2</a>: network <a href="http://10.1.13.0/24">10.1.13.0/24</a>: no free leases</div><div>2016-02-04T18:35:48.799417+00:00 dhcphost dhcpd: DHCPDISCOVER from 34:17:eb:e7:00:ef via <a href="http://10.1.13.2">10.1.13.2</a>: network <a href="http://10.1.13.0/24">10.1.13.0/24</a>: no free leases</div><div>2016-02-04T18:35:48.799508+00:00 dhcphost dhcpd: DHCPDISCOVER from 34:17:eb:e7:00:ef via <a href="http://10.1.13.2">10.1.13.2</a>: network <a href="http://10.1.13.0/24">10.1.13.0/24</a>: no free leases</div><div>2016-02-04T18:35:48.920182+00:00 dhcphost dhcpd: DHCPDISCOVER from 34:17:eb:e7:3f:6f via <a href="http://10.1.13.2">10.1.13.2</a>: network <a href="http://10.1.13.0/24">10.1.13.0/24</a>: no free leases</div><div>2016-02-04T18:35:48.920432+00:00 dhcphost dhcpd: DHCPDISCOVER from 34:17:eb:e7:3f:6f via <a href="http://10.1.13.2">10.1.13.2</a>: network <a href="http://10.1.13.0/24">10.1.13.0/24</a>: no free leases</div><div>2016-02-04T18:35:49.125385+00:00 dhcphost dhcpd: DHCPDISCOVER from 34:17:eb:e7:01:1f via <a href="http://10.1.13.2">10.1.13.2</a>: network <a href="http://10.1.13.0/24">10.1.13.0/24</a>: no free leases</div><div>2016-02-04T18:35:49.125487+00:00 dhcphost dhcpd: DHCPDISCOVER from 34:17:eb:e7:01:1f via <a href="http://10.1.13.2">10.1.13.2</a>: network <a href="http://10.1.13.0/24">10.1.13.0/24</a>: no free leases</div><div>2016-02-04T18:35:49.343455+00:00 dhcphost dhcpd: DHCPDISCOVER from 34:17:eb:e7:42:8d via <a href="http://10.1.13.2">10.1.13.2</a>: network <a href="http://10.1.13.0/24">10.1.13.0/24</a>: no free leases</div><div>2016-02-04T18:35:49.343487+00:00 dhcphost dhcpd: DHCPDISCOVER from 34:17:eb:e7:42:8d via <a href="http://10.1.13.2">10.1.13.2</a>: network <a href="http://10.1.13.0/24">10.1.13.0/24</a>: no free leases</div><div>2016-02-04T18:35:49.461783+00:00 dhcphost dhcpd: DHCPDISCOVER from 34:17:eb:e7:01:49 via <a href="http://10.1.13.2">10.1.13.2</a>: network <a href="http://10.1.13.0/24">10.1.13.0/24</a>: no free leases</div><div>2016-02-04T18:35:49.461815+00:00 dhcphost dhcpd: DHCPDISCOVER from 34:17:eb:e7:01:49 via <a href="http://10.1.13.2">10.1.13.2</a>: network <a href="http://10.1.13.0/24">10.1.13.0/24</a>: no free leases</div><div>2016-02-04T18:35:49.617856+00:00 dhcphost dhcpd: DHCPDISCOVER from 34:17:eb:e7:01:01 via <a href="http://10.1.13.2">10.1.13.2</a>: network <a href="http://10.1.13.0/24">10.1.13.0/24</a>: no free leases</div><div>2016-02-04T18:35:49.617888+00:00 dhcphost dhcpd: DHCPDISCOVER from 34:17:eb:e7:01:01 via <a href="http://10.1.13.2">10.1.13.2</a>: network <a href="http://10.1.13.0/24">10.1.13.0/24</a>: no free leases</div><div>2016-02-04T18:35:49.654026+00:00 dhcphost dhcpd: DHCPDISCOVER from 34:17:eb:e7:01:0a via <a href="http://10.1.13.2">10.1.13.2</a>: network <a href="http://10.1.13.0/24">10.1.13.0/24</a>: no free leases</div><div>2016-02-04T18:35:49.654059+00:00 dhcphost dhcpd: DHCPDISCOVER from 34:17:eb:e7:01:0a via <a href="http://10.1.13.2">10.1.13.2</a>: network <a href="http://10.1.13.0/24">10.1.13.0/24</a>: no free leases</div><div>2016-02-04T18:35:49.666002+00:00 dhcphost dhcpd: DHCPDISCOVER from 34:17:eb:e7:41:97 via <a href="http://10.1.13.2">10.1.13.2</a>: network <a href="http://10.1.13.0/24">10.1.13.0/24</a>: no free leases</div><div>2016-02-04T18:35:49.666146+00:00 dhcphost dhcpd: DHCPDISCOVER from 34:17:eb:e7:41:97 via <a href="http://10.1.13.2">10.1.13.2</a>: network <a href="http://10.1.13.0/24">10.1.13.0/24</a>: no free leases</div><div>2016-02-04T18:35:49.773406+00:00 dhcphost dhcpd: DHCPDISCOVER from 34:17:eb:e7:01:46 via <a href="http://10.1.13.2">10.1.13.2</a>: network <a href="http://10.1.13.0/24">10.1.13.0/24</a>: no free leases</div><div>2016-02-04T18:35:49.773655+00:00 dhcphost dhcpd: DHCPDISCOVER from 34:17:eb:e7:01:46 via <a href="http://10.1.13.2">10.1.13.2</a>: network <a href="http://10.1.13.0/24">10.1.13.0/24</a>: no free leases</div><div>2016-02-04T18:35:49.826255+00:00 dhcphost dhcpd: DHCPDISCOVER from 34:17:eb:e7:01:4f via <a href="http://10.1.13.2">10.1.13.2</a>: network <a href="http://10.1.13.0/24">10.1.13.0/24</a>: no free leases</div><div>2016-02-04T18:35:49.826330+00:00 dhcphost dhcpd: DHCPDISCOVER from 34:17:eb:e7:01:4f via <a href="http://10.1.13.2">10.1.13.2</a>: network <a href="http://10.1.13.0/24">10.1.13.0/24</a>: no free leases</div><div>2016-02-04T18:35:50.257486+00:00 dhcphost dhcpd: DHCPDISCOVER from 34:17:eb:e7:42:cc via <a href="http://10.1.13.2">10.1.13.2</a>: network <a href="http://10.1.13.0/24">10.1.13.0/24</a>: no free leases</div><div>2016-02-04T18:35:50.257518+00:00 dhcphost dhcpd: DHCPDISCOVER from 34:17:eb:e7:42:cc via <a href="http://10.1.13.2">10.1.13.2</a>: network <a href="http://10.1.13.0/24">10.1.13.0/24</a>: no free leases</div><div>2016-02-04T18:35:50.273982+00:00 dhcphost dhcpd: DHCPDISCOVER from 34:17:eb:e7:01:31 via <a href="http://10.1.13.2">10.1.13.2</a>: network <a href="http://10.1.13.0/24">10.1.13.0/24</a>: no free leases</div><div>2016-02-04T18:35:50.274015+00:00 dhcphost dhcpd: DHCPDISCOVER from 34:17:eb:e7:01:31 via <a href="http://10.1.13.2">10.1.13.2</a>: network <a href="http://10.1.13.0/24">10.1.13.0/24</a>: no free leases</div><div><br></div><div>For some reason dhcpd "refuses" to match on agent.circuit-id.</div><div>I've tried:</div><div>range 10.1.13.201 10.1.13.240 -> random assignments from the range.</div><div><br></div><div>pool {</div><div> range 10.1.13.201 10.1.13.240</div><div>} -> random assignments</div><div><br></div><div>pool {</div><div> range 10.1.13.150 10.1.13.153</div><div>} -> 3 random assignments</div><div><br></div><div>+ all possible combinations of deny unknown-clients, allow known-clients and similar to these that i could think of, nothing works. either no ip is assigned, or all of them are assigned random ip's..</div><div><br></div><div>tcpdump shows the circuit-id:</div><div>22:22:16.595500 IP (tos 0x0, ttl 255, id 11344, offset 0, flags [none], proto UDP (17), length 364)</div><div> 10.1.13.2.67 > 10.0.0.11.67: [udp sum ok] BOOTP/DHCP, Request from 34:17:eb:e7:3f:a2, length 336, hops 1, xid 0xc95ed144, Flags [none] (0x0000)</div><div><span class="" style="white-space:pre"> </span> Gateway-IP 10.1.13.2</div><div><span class="" style="white-space:pre"> </span> Client-Ethernet-Address 34:17:eb:e7:3f:a2</div><div><span class="" style="white-space:pre"> </span> Vendor-rfc1048 Extensions</div><div><span class="" style="white-space:pre"> </span> Magic Cookie 0x63825363</div><div><span class="" style="white-space:pre"> </span> DHCP-Message Option 53, length 1: Discover</div><div><span class="" style="white-space:pre"> </span> Client-ID Option 61, length 7: ether 34:17:eb:e7:3f:a2</div><div><span class="" style="white-space:pre"> </span> Hostname Option 12, length 17: "bmc-DPT1852-0-0-2"</div><div><span class="" style="white-space:pre"> </span> Vendor-Class Option 60, length 11: "udhcp 1.8.2"</div><div><span class="" style="white-space:pre"> </span> MSZ Option 57, length 2: 576</div><div><span class="" style="white-space:pre"> </span> Parameter-Request Option 55, length 8: </div><div><span class="" style="white-space:pre"> </span> Subnet-Mask, Default-Gateway, Domain-Name-Server, Hostname</div><div><span class="" style="white-space:pre"> </span> Domain-Name, BR, NTP, Vendor-Option</div><div><span class="" style="white-space:pre"> </span> Agent-Information Option 82, length 35: </div><div><span class="" style="white-space:pre"> </span> Circuit-ID SubOption 1, length 23: ^A^Us18-ilo.r13.int.domai</div><div><span class="" style="white-space:pre"> </span> Remote-ID SubOption 2, length 8: ^@^FX^J M-fiM-^@</div><div><br></div><div>What am i doing wrong?</div><div><br></div><div>/Oskar Stenman</div><div>
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