Inhaltsverzeichnis

OVH

OVH gruppiert seine Produkte in verschiedene Plattformen:

Bare metal Cloud

Server-verfügbarkeit (externe Übersichtsseite)

IPv4

Bisher hat OVH IP-Adressen per Einmalkosten abgedeckt.

IPv6

Das OVH-Setup ist in der „Bare metal Cloud“ suboptimal:

Rootserver

positiv:

negativ:

VM config (failover network)

https://docs.ovh.com/de/dedicated/network-ipaliasing/

auto ens3
iface ens3 inet static
    address $IP/32
    gateway $IP.254
    dns-nameservers 9.9.9.9
    dns-nameservers 8.8.4.4

iface ens3 inet6 static
    address $IP/128
    dns-nameservers 2001:4860:4860::8844
    dns-nameservers 2620:fe::fe:9

    post-up /sbin/ip -f inet6 route add XXXX:XXXX:XXXX:XXff:ffff:ffff:ffff:ffff dev ens3
    post-up /sbin/ip -f inet6 route add default via XXXX:XXXX:XXXX:XXff:ffff:ffff:ffff:ffff
    pre-down /sbin/ip -f inet6 route del XXXX:XXXX:XXXX:XXff:ffff:ffff:ffff:ffff dev ens3
    pre-down /sbin/ip -f inet6 route del default via XXXX:XXXX:XXXX:XXff:ffff:ffff:ffff:ffff

bridge setup

iface eno3 inet manual

auto br_inet
iface br_inet inet dhcp

  #deb11:
  bridge_hw eno3
  bridge_ports eno3
  bridge_fd 9
  bridge_hello 2
  bridge_maxage 12
  bridge_stp off

iface br_inet inet6 static
  address XXXX:XXXX:XXXX:XXXX::Y/128
  # this the /56 part of the /64 network
  gateway XXXX:XXXX:XXXX:XXff:ffff:ffff:ffff:ffff

  dns-nameservers 2001:4860:4860::8844
  dns-nameservers 2620:fe::fe:9

  #deb11:
  bridge_hw eno3
  bridge_ports eno3
  bridge_fd 9
  bridge_hello 2
  bridge_maxage 12
  bridge_stp off

# from ovh-config:
#  post-up /sbin/ip -f inet6 route add XXXX:XXXX:XXXX:XXff:ffff:ffff:ffff:ffff dev br_inet
#  post-up /sbin/ip -f inet6 route add default via XXXX:XXXX:XXXX:XXff:ffff:ffff:ffff:ffff
#  pre-down /sbin/ip -f inet6 route del XXXX:XXXX:XXXX:XXff:ffff:ffff:ffff:ffff dev br_inet
#  pre-down /sbin/ip -f inet6 route del default via XXXX:XXXX:XXXX:XXff:ffff:ffff:ffff:ffff
1)
Konfiguration in /etc/network/interfaces.d/50-cloud-init