tail -F /var/log/messages| grep dhcpd
Sep 29 11:55:56 xyz123-vyos dhcpd[22392]: DHCPREQUEST for 10.120.12.33 (10.120.15.248) from 84:fd:d1:d3:3d:76 (CHRMBK-5CD9318) via eth0.1024
Sep 29 11:55:56 xyz123-vyos dhcpd[22392]: DHCPACK on 10.120.12.33 to 84:fd:d1:d3:3d:76 (CHRMBK-5CD9318) via eth0.1024
(dhcp working fine…)
drill -Q -x 10.120.12.33 @10.120.15.248
CHRMBK-5CD9318.123.cbk.xyz.
drill -Q CHRMBK-5CD9318.123.cbk.xyz. @10.120.15.248
10.120.12.33
dns working great…
;; ANSWER SECTION:
CHRMBK-5CD9318.123.cbk.xyz. 86400 IN A 10.120.12.33
;; ANSWER SECTION:
33.12.120.10.in-addr.arpa. 86400 IN PTR CHRMBK-5CD9318.123.cbk.xyz.
Anyway to change the ttl?
set service dhcp-server shared-network-name Vlan512 subnet 10.120.8.0/22 lease '14400'
that is the lease time
set service dhcp-server host-decl-name
set service dhcp-server hostfile-update
set service dns forwarding allow-from '0.0.0.0/0'
set service dns forwarding cache-size '10240'
set service dns forwarding dnssec 'off'
set service dns forwarding listen-address '0.0.0.0'
set service dns forwarding name-server 10.20.0.6
If any of that is relevant…
pdns_recursor docs show that 86400 is the default for packetcache-ttl and max-cache-ttl
https://doc.powerdns.com/recursor/settings.html
$ grep ttl /run/powerdns/*
grep: /run/powerdns/pdns_recursor.controlsocket: No such device or address
/run/powerdns/recursor.conf:max-negative-ttl=3600
Greatly appreciate any suggestions…