Hier werden die Unterschiede zwischen zwei Versionen gezeigt.
Nächste Überarbeitung | Vorherige Überarbeitung | ||
lpi2:dhcp-relay [2014/02/26 07:29] ingo_wichmann angelegt |
lpi2:dhcp-relay [2016/12/07 20:42] ingo_wichmann |
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+ | [[https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=717215|dhcpd/KVM Bug]] beachten (( Lösungsmöglichkeiten um UDP Checksum-Problem zu vermeiden: | ||
+ | * in KVM e1000 als Netzwerkkarte auswählen, | ||
+ | * oder: TX offloading in der Netzwerkkarte ausschalten | ||
+ | * oder: mit iptables die Checksumme erzeugen | ||
+ | )) | ||
+ | ===== Konfiguration dhcpd um Subnetz erweitern ===== | ||
+ | ''/etc/dhcp/dhcpd.conf'' : ( debian 6.0 ) | ||
+ | |||
+ | ''/etc/dhcpd.conf'' : ( openSuSE 12.1, centos 6 ) | ||
+ | <file> | ||
+ | subnet 10.1.1.0 netmask 255.255.255.0 { | ||
+ | range 10.1.1.10 10.1.1.20; | ||
+ | option domain-name "sub.example.com"; | ||
+ | option routers 10.1.1.2; | ||
+ | option broadcast-address 10.1.1.255; | ||
+ | default-lease-time 600; | ||
+ | max-lease-time 7200; | ||
+ | } | ||
+ | |||
+ | host vm3 { | ||
+ | hardware ethernet 52:54:00:6f:2f:01; | ||
+ | fixed-address 10.1.1.5; | ||
+ | } | ||
+ | </file> | ||
+ | |||
+ | ===== Konfiguration relay ===== | ||
+ | Paket: | ||
+ | * Debian 7: ''isc-dhcp-relay'' | ||
+ | |||
+ | ''/etc/default/isc-dhcp-relay'' : | ||
+ | <file> | ||
+ | SERVERS="192.168.226.3" | ||
+ | |||
+ | # On what interfaces should the DHCP relay (dhrelay) serve DHCP requests? | ||
+ | # leave blank or enter all incoming and outgoing interfaces | ||
+ | INTERFACES="" | ||
+ | |||
+ | # Additional options that are passed to the DHCP relay daemon? | ||
+ | OPTIONS="" | ||
+ | </file> | ||
+ | |||
/usr/sbin/dhcrelay -d 192.168.226.3 | /usr/sbin/dhcrelay -d 192.168.226.3 | ||