isc-dhcp-server 4.4.1

Hi folks, I installed isc-dhcp-server 4.4.1 version on a Debian 11 and it
does not work here.

*here my ifconfig parse that show that I does not use ipv6*

enp2s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.0.3  netmask 255.255.255.0  broadcast 192.168.0.255
        ether fc:aa:14:f7:ae:45  txqueuelen 1000  (Ethernet)
        RX packets 242347683  bytes 334820398436 (311.8 GiB)
        RX errors 0  dropped 17209  overruns 0  frame 0
        TX packets 151899938  bytes 181862408834 (169.3 GiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        loop  txqueuelen 1000  (Loopback Local)
        RX packets 3175  bytes 163958 (160.1 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 3175  bytes 163958 (160.1 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

I´m trying to force *isc-dhcp-server* to only start the v4 instance with
INTERFACESv4 option that is the new directive

if I try to use interfaces directive like older versions syslog show me to
use INTERFACESv4 OPTION but it migrate automatically for now.


Feb 23 13:30:25 debian-backup isc-dhcp-server[388886]: DHCPv4 interfaces
are no longer set by the INTERFACES variable in
Feb 23 13:30:25 debian-backup isc-dhcp-server[388886]:
/etc/default/isc-dhcp-server.  Please use INTERFACESv4 instead.
F

*here my /etc/default/isc-dhcp-server *
INTERFACESv4="enp2s0"


*here my dhcpd.conf*

ddns-update-style none;

#option definitions common to all supported networks...
#option domain-name "example.org";
#option domain-name-servers ns1.example.org, ns2.example.org;

default-lease-time 691200;
max-lease-time 691200;

# If this DHCP server is the official DHCP server for the local
# network, the authoritative directive should be uncommented.

authoritative;

# Use this to send dhcp log messages to a different log file (you also
# have to hack syslog.conf to complete the redirection).
log-facility local7;

failover peer "dhcp-failover" {
        secondary;
        address 192.168.0.3;
        port 647;
        peer address 192.168.0.2;
        peer port 648;
        max-response-delay 30;
        max-unacked-updates 10;
        load balance max seconds 5;
        mclt 3600;
       # split 255;   // split value somente no principal
}

subnet 192.168.0.0 netmask 255.255.255.0 {
  option domain-name-servers 192.168.0.5 ;
  option routers 192.168.0.254 ;
  option netbios-name-servers 192.168.0.5 ;
  option ntp-servers 192.168.0.5 ;
  option broadcast-address 192.168.0.255;
  pool {
        failover peer "dhcp-failover";
        default-lease-time 691200;
        max-lease-time 691200;
        range 192.168.0.11 192.168.0.200;
  }
}

*here my syslog (still trying load dhcpd6.conf but lauch IPv4 server only
that it is what I need.)*

Feb 23 13:19:01 debian-backup isc-dhcp-server[388778]:
/etc/init.d/isc-dhcp-server: 50: cannot open /etc/dhcp/dhcpd6.conf: No such
file
Feb 23 13:19:01 debian-backup isc-dhcp-server[388771]: Launching IPv4
server only.
Feb 23 13:19:01 debian-backup dhcpd[388780]: Internet Systems Consortium
DHCP Server 4.4.1
Feb 23 13:19:01 debian-backup dhcpd[388780]: Copyright 2004-2018 Internet
Systems Consortium.
Feb 23 13:19:01 debian-backup dhcpd[388780]: All rights reserved.
Feb 23 13:19:01 debian-backup dhcpd[388780]: For info, please visit
https://www.isc.org/software/dhcp/
Feb 23 13:19:01 debian-backup isc-dhcp-server[388771]: Starting ISC DHCPv4
server: dhcpddhcpd service already running (pid file /var/run/dhcpd.pid
currenty exists) ...
Feb 23 13:19:01 debian-backup isc-dhcp-server[388784]:  failed!
Feb 23 13:19:01 debian-backup systemd[1]: isc-dhcp-server.service: Control
process exited, code=exited, status=1/FAILURE
Feb 23 13:19:01 debian-backup systemd[1]: isc-dhcp-server.service: Failed
with result 'exit-code'.

*here my syntax check of dhcpd.conf with no errors*
root@debian-backup:/etc/dhcp# dhcpd -t -cf /etc/dhcp/dhcpd.conf
Internet Systems Consortium DHCP Server 4.4.1
Copyright 2004-2018 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/
Config file: /etc/dhcp/dhcpd.conf
Database file: /var/lib/dhcp/dhcpd.leases
PID file: /var/run/dhcpd.pid



I did find where is the problem. Any suggestion?

my best regards,

Samuel Motta
Brazil

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