Proxmox4 Netzwerkkonfiguration Hetzner

Hier die das Beispiel für die Netzwerkkonfiguration bei Hetzner für einen Proxmox4 Server mit Routing .

Ich empfehle vor Änderungen die interfaces zu sichern

mv /etc/network/interfaces /etc/network/interfaces.old

ACHTUNG IHR MÜSST EURE SERVER IPS EINTRAGEN

/etc/network/interfaces

#Host Network Konfiguration
auto lo
iface lo inet loopback

auto eth0
 iface eth0 inet static
 address HAUPTIP PROXMOX SERVER
 netmask 255.255.255.255
 gateway YOURGATEWAY
 pointopoint YOURGATEWAY

iface eth0 inet6 static
 address HAUPTIP PROXMOX4 SERVER IPV6
 netmask 128
 up ip -6 route add default via fe80::1 dev eth0
 up sysctl -p

auto vmbr0

iface vmbr0 inet static
 address HAUPTIP PROXMOX SERVER
 netmask 255.255.255.255
 bridge_ports none
 bridge_stp off
 bridge_fd 0
 up ip route add erste zusatz IP/32 dev vmbr0
 up ip route add zweite zusatz IP/32 dev vmbr0
 up ip route add dritte zusatz IP/32 dev vmbr0
 up ip route add vierte zusatz IP/32 dev vmbr0

iface vmbr0 inet6 static
 address HAUPTIP PROXMOX4 SERVER IPV6
 netmask 64

Dann noch die sysctl.conf anpassen oder ersetzen

mv /etc/sysctl.conf /etc/sysctl.old

Nun sysctl.conf ernsetzen

# /etc/sysctl.conf - Configuration file for setting system variables
# See /etc/sysctl.d/ for additonal system variables
# See sysctl.conf (5) for information.
#

#kernel.domainname = example.com

# Uncomment the following to stop low-level messages on console
#kernel.printk = 3 4 1 3

##############################################################3
# Functions previously found in netbase
#

# Uncomment the next two lines to enable Spoof protection (reverse-path filter)
# Turn on Source Address Verification in all interfaces to
# prevent some spoofing attacks
#net.ipv4.conf.default.rp_filter=1
#net.ipv4.conf.all.rp_filter=1

# Uncomment the next line to enable TCP/IP SYN cookies
# See http://lwn.net/Articles/277146/
# Note: This may impact IPv6 TCP sessions too
#net.ipv4.tcp_syncookies=1

# Uncomment the next line to enable packet forwarding for IPv4
net.ipv4.ip_forward=1

# Uncomment the next line to enable packet forwarding for IPv6
#  Enabling this option disables Stateless Address Autoconfiguration
#  based on Router Advertisements for this host
net.ipv6.conf.all.forwarding=1


###################################################################
# Additional settings - these settings can improve the network
# security of the host and prevent against some network attacks
# including spoofing attacks and man in the middle attacks through
# redirection. Some network environments, however, require that these
# settings are disabled so review and enable them as needed.
#
# Do not accept ICMP redirects (prevent MITM attacks)
#net.ipv4.conf.all.accept_redirects = 0
#net.ipv6.conf.all.accept_redirects = 0
# _or_
# Accept ICMP redirects only for gateways listed in our default
# gateway list (enabled by default)
# net.ipv4.conf.all.secure_redirects = 1
#
# Do not send ICMP redirects (we are not a router)
#net.ipv4.conf.all.send_redirects = 0
#
# Do not accept IP source route packets (we are not a router)
#net.ipv4.conf.all.accept_source_route = 0
#net.ipv6.conf.all.accept_source_route = 0
#
# Log Martian Packets
#net.ipv4.conf.all.log_martians = 1
#

Bei der Erstellung der LXC Container im Backend  müsst ihr als Gateway bei IPV4 und IPV6 die HauptIP verwenden. 

Link:

Proxmox4

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Alexander Fox alias PlaNet Fox
arbeitet seit über 10 Jahren im IT Bereich. Er beschäftigt sich mit Linux und Linux Server Managing & Hosting . Er ist Author bei HowToForge

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