Erro: isc-dhcp-server não sobe :

Vs976
(usa Debian)

Enviado em 02/05/2018 - 21:59h

O serviço isc-dhcp-server simplesmente não sobe. Ja verifiquei os arquivos de configuração e não encontrei nada que possa ocasionar o erro. Ao reiniciar o serviço me aparece a seguinte mensagem:

Active: failed (Result: exit-code) since Fri 2017-05-12 19:13:28 -03; 20s ago
Docs: man:systemd-sysv-generator(8)
Process: 3992 ExecStart=/etc/init.d/isc-dhcp-server start (code=exited, status=1/FAILURE)

Segue abaixo as configurações dos arquivos isc-dhcp-server e em seguida dhcpd.conf.

#######################ISC DHCP SERVER################################
# Defaults for isc-dhcp-server initscript
# sourced by /etc/init.d/isc-dhcp-server
# installed at /etc/default/isc-dhcp-server by the maintainer scripts

#
# This is a POSIX shell fragment
#

# Path to dhcpd's config file (default: /etc/dhcp/dhcpd.conf).
DHCPD_CONF=/etc/dhcp/dhcpd.conf

# Path to dhcpd's PID file (default: /var/run/dhcpd.pid).
DHCPD_PID=/var/run/dhcpd.pid

# Additional options to start dhcpd with.
# Don't use options -cf or -pf here; use DHCPD_CONF/ DHCPD_PID instead
OPTIONS="DHCPD_CONF"

# On what interfaces should the DHCP server (dhcpd) serve DHCP requests?
# Separate multiple interfaces with spaces, e.g. "eth0 eth1".
INTERFACES="eth0"

## SubNet home.lan
subnet 192.168.80.0 netmask 255.255.255.0 {
range 192.168.80.15 192.168.80.63;
option routers 192.168.80.1;
option broadcast-address 192.168.80.255;
# option definitions common to all supported networks...
option domain-name "home.lan";
option domain-name-servers 192.168.80.100, 192.168.80.1;
next-servers 192.168.80.1
option subnet-mask 255.255.255.0 }

## Proxy auto configuration
option wpad code 252 = text;
option wpad "http://192.168.80.1/var/www/wpad.dat";

##############################DHCP.CONF###############################

#
# Sample configuration file for ISC dhcpd for Debian
#
#

# The ddns-updates-style parameter controls whether or not the server will
# attempt to do a DNS update when a lease is confirmed. We default to the
# behavior of the version 2 packages ('none', since DHCP v2 didn't
# have support for DDNS.)
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 600;
max-lease-time 7200;

# 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;

# No service will be given on this subnet, but declaring it helps the
# DHCP server to understand the network topology.

#subnet 10.152.187.0 netmask 255.255.255.0 {
#}

# This is a very basic subnet declaration.

#subnet 10.254.239.0 netmask 255.255.255.224 {
# range 10.254.239.10 10.254.239.20;
# option routers rtr-239-0-1.example.org, rtr-239-0-2.example.org;
#}

# This declaration allows BOOTP clients to get dynamic addresses,
# which we don't really recommend.

#subnet 10.254.239.32 netmask 255.255.255.224 {
# range dynamic-bootp 10.254.239.40 10.254.239.60;
# option broadcast-address 10.254.239.31;
# option routers rtr-239-32-1.example.org;
#}

# A slightly different configuration for an internal subnet.
#subnet 10.5.5.0 netmask 255.255.255.224 {
# range 10.5.5.26 10.5.5.30;
# option domain-name-servers ns1.internal.example.org;
# option domain-name "internal.example.org";
# option routers 10.5.5.1;
# option broadcast-address 10.5.5.31;
# default-lease-time 600;
# max-lease-time 7200;
#}

# Hosts which require special configuration options can be listed in
# host statements. If no address is specified, the address will be
# allocated dynamically (if possible), but the host-specific information
# will still come from the host declaration.

#host passacaglia {
# hardware ethernet 0:0:c0:5d:bd:95;
# filename "vmunix.passacaglia";
# server-name "toccata.fugue.com";
#}

# Fixed IP addresses can also be specified for hosts. These addresses
# should not also be listed as being available for dynamic assignment.
# Hosts for which fixed IP addresses have been specified can boot using
# BOOTP or DHCP. Hosts for which no fixed address is specified can only
# be booted with DHCP, unless there is an address range on the subnet
# to which a BOOTP client is connected which has the dynamic-bootp flag
# set.
#host fantasia {
# hardware ethernet 08:00:07:26:c0:a5;
# fixed-address fantasia.fugue.com;
#}

# You can declare a class of clients and then do address allocation
# based on that. The example below shows a case where all clients
# in a certain class get addresses on the 10.17.224/24 subnet, and all
# other clients get addresses on the 10.0.29/24 subnet.

#class "foo" {
# match if substring (option vendor-class-identifier, 0, 4) = "SUNW";
#}

#shared-network 224-29 {
# subnet 10.17.224.0 netmask 255.255.255.0 {
# option routers rtr-224.example.org;
# }
# subnet 10.0.29.0 netmask 255.255.255.0 {
# option routers rtr-29.example.org;
# }
# pool {
# allow members of "foo";
# range 10.17.224.10 10.17.224.250;
# }
# pool {
# deny members of "foo";
# range 10.0.29.10 10.0.29.230;
# }
#}

## SubNet home.lan
subnet 192.168.80.0 netmask 255.255.255.0 {
range 192.168.80.15 192.168.80.63;
option routers 192.168.80.1;
option broadcast-address 192.168.80.255;
# option definitions common to all supported networks...
option domain-name "home.lan";
option domain-name-servers 192.168.80.100, 192.168.80.1;
next-servers 192.168.80.1
option subnet-mask 255.255.255.0
}

####################################################################
Por favor, se encontrarem algum erro que possa esta ocasionando esse problema me apontem, para correção.