Thanks Tom !
I didn't can answer earlier
> It's normal operation, as I explained in my reply to the same question on 11th, see
https://lists.isc.org/pipermail/dhcp-users/2019-August/021730.htmlSorry for repeat but Unfortunately i didn't get mail in my work mail and repeat question via private mail.
> Where you have a host entry, the lease does NOT go through the normal lifecycle - and would not normally appear in the leases file.
But host about im write NOT not declare in dhcpd.conf
--------------------START INFO ABOUT ISSUE HOST----------------------------------------------
lease 10.10.10.12 {
starts 5 2019/08/09 11:00:47;
ends 5 2019/08/09 12:00:47;
tstp 5 2019/08/09 12:00:47;
cltt 5 2019/08/09 11:00:47;
binding state free;
hardware ethernet 18:10:2b:12:db:12;
uid "\001\010\000'\216G\220";
}
cuted from the file /etc/named/tsc/tsc.zone:
$TTL 1800 ; 30 minutes
host12-c12-1 A 10.10.10.12
TXT "00ffa9c88e143752544ac44exxxxxxxxxx"
------------------END INFO ABOUT ISSUE HOST----------------------------------------------------
------------------START CONFIGURATION FILE-----------------------------------------------------
## DDNS related configuration
ddns-update-style interim;
ddns-rev-domainname "in-addr.arpa.";
ddns-domainname "tsc.";
update-static-leases on;
group {
option routers 10.10.10.1;
ddns-hostname = host-decl-name;
update-optimization false;
update-conflict-detection false;
# example host
host host12 {
hardware ethernet 18:31:BF:xx:xx:xx;
fixed-address 10.10.10.111;
}
}
------------------END CONFIGURATION FILE-----------------------------------------------------
My question about - Why host can stay in DNS without record in config file and without manual doing it record in DNS.