Pourquoi mon serveur DHCP ne fonctionne pas
J'ai configuré mon /etc/default/isc-dhcp-server et mis eth0 dans /etc/dhcp/dhcpd.conf
Pourquoi le serveur isc-dhcp ne fonctionne-t-il pas? Quand j'exécute Sudo service isc-dhcp-server status et que j'ai ceci:
root@ubuntu:~# service isc-dhcp-server status
● isc-dhcp-server.service - ISC DHCP IPv4 server
Loaded: loaded (/lib/systemd/system/isc-dhcp-server.service; enabled; vendor preset: enabled)
Active: failed (Result: exit-code) since Di 2015-11-03 15:27:57 CET; 15s ago
Docs: man:dhcpd(8)
Process: 6982 ExecStart=/bin/sh -ec CONFIG_FILE=/etc/dhcp/dhcpd.conf; if [ -f /etc/ltsp/dhcpd.conf ]; then CONFIG_FILE=/etc/ltsp/dhcpd.conf; fi; [ -e /var/lib/dhcp/dhcpd.leases ] || touch /var/lib/dhcp/dhcpd.leases; chown root:root /var/lib/dhcp /var/lib/dhcp/dhcpd.leases*; exec dhcpd -user dhcpd -group dhcpd -f -4 -pf /run/dhcp-server/dhcpd.pid -cf $CONFIG_FILE $INTERFACES (code=exited, status=1/FAILURE)
Process: 6979 ExecStartPre=/bin/chown dhcpd:dhcpd /run/dhcp-server (code=exited, status=0/SUCCESS)
Main PID: 6982 (code=exited, status=1/FAILURE)
Nov 03 15:27:57 ubuntu systemd[1]: isc-dhcp-server.service: Main process exited, code=exited, status=1/FAILURE
Nov 03 15:27:57 ubuntu systemd[1]: isc-dhcp-server.service: Unit entered failed state.
Nov 03 15:27:57 ubuntu systemd[1]: isc-dhcp-server.service: Failed with result 'exit-code'.
Nov 03 15:27:57 ubuntu sh[6982]: Configuration file errors encountered -- exiting
Voici mon dhcp.config:
timeout 300;
authoritative; #keine Rogue-DHCP-Server
one-lease-per-client true; #nur ein lease pro client
get-lease-hostnames true; # Tell the server to look up the Host name in DNS
#option domain-name "psa-team06.informatik.tu-muenchen.de";
#option domain-name-servers 192.168.6.1;
#option subnet-mask 255.255.255.0;
default-lease-time 3600;
max-lease-time 86400;
#log-facility local0;
interface eth1;
#ping-check true; #evtl noch auskommentieren
# Unser Subnetz
subnet 192.168.6.0 netmask 255.255.255.0 {
range 192.168.6.100 192.168.6.250;
option routers 192.168.6.3;
}
Host VM1{
hardware ethernet 08:00:27:24:41:79;
fixed-adress 192.168.6.3;
option Host-name "VM1";
}
mon /etc/default/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=""
# On what interfaces should the DHCP server (dhcpd) serve DHCP requests?
# Separate multiple interfaces with spaces, e.g. "eth0 eth1".
INTERFACES="eth1"
et mon ip a:
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope Host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope Host
valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
link/ether 08:00:27:5a:70:a3 brd ff:ff:ff:ff:ff:ff
inet 10.0.2.15/24 brd 10.0.2.255 scope global eth0
valid_lft forever preferred_lft forever
inet6 fe80::a00:27ff:fe5a:70a3/64 scope link
valid_lft forever preferred_lft forever
3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
link/ether 08:00:27:79:73:5d brd ff:ff:ff:ff:ff:ff
inet 192.168.6.3/24 brd 192.168.6.255 scope global eth1
valid_lft forever preferred_lft forever
inet 192.168.61.1/24 brd 192.168.61.255 scope global eth1
valid_lft forever preferred_lft forever
inet 192.168.62.1/24 brd 192.168.62.255 scope global eth1
valid_lft forever preferred_lft forever
inet 192.168.63.1/24 brd 192.168.63.255 scope global eth1
valid_lft forever preferred_lft forever
inet 192.168.65.1/24 brd 192.168.65.255 scope global eth1
valid_lft forever preferred_lft forever
inet 192.168.76.2/24 brd 192.168.76.255 scope global eth1
valid_lft forever preferred_lft forever
inet 192.168.86.2/24 brd 192.168.86.255 scope global eth1
valid_lft forever preferred_lft forever
inet 192.168.106.2/24 brd 192.168.106.255 scope global eth1
valid_lft forever preferred_lft forever
inet 192.168.116.2/24 brd 192.168.116.255 scope global eth1
valid_lft forever preferred_lft forever
inet 192.168.126.2/24 scope global eth1
valid_lft forever preferred_lft forever
inet6 fe80::a00:27ff:fe79:735d/64 scope link
valid_lft forever preferred_lft forever
root@ubuntu:~#
Étrange, étrange, étrange ...
Je le fais fonctionner après avoir copié un fichier de configuration par défaut et modifié notre réseau.
/ Usr/sbin/dhcpd -t et -f sont utiles pour le débogage
Voici ma config maintenant:
default-lease-time 60;
max-lease-time 240;
authoriative;
option domain-name "psa-team06.informatik.tu-muenchen.de";
option domain-name-servers router.psa-team1.informatik.tu-muenchen.de;
authoriative;
subnet 192.168.6.0 netmask 255.255.255.0 {
option broadcast-address 192.168.6.255;
option routers 192.168.6.3;
range 192.168.6.100 192.168.6.200;
}
Host VM1 {
hardware ethernet 08:00:27:24:41:79;
fixed-address 192.168.6.3;
}
Ce n'est pas un mot de configuration défini:
interface eth1;
Je ne pouvais pas le trouver dans man dhcpd.conf du moins pas pour isc-dhcp-server. Je l’ai essayé sur mon serveur VBox 16.04, dhcpd a échoué.
Je ne sais pas d'où vous l'avez obtenu, mais vous voulez peut-être dire à tort: INTERFACES="eth1" de /etc/default/isc-dhcp-server quelle configuration pour le service init et qui est utilisé comme argument de ligne de commande pour dhcpd. Vérifiez pgrep -a dhcpd.