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IPV6 not reachable

IrkoskaIrkoska Member
in Help

Hello,

I've a problem. I must create a VM with an IPv6 through Virtualizor but the virtual machine is not reachable. I guess I miss something ...

(IPv6 Forwarding is enabled)

Here is the network configuration on the Host:

network:
  version: 2
  renderer: networkd
  ethernets:
    enp1s0f0:
      dhcp4: no
      dhcp6: no
  bridges:
    viifbr0:
      addresses:
        - 135.xxx.159.xx/24
        - 2001:xxxx:xxx:500f::/56
      interfaces: [ enp1s0f0 ]
      routes:
        - on-link: true
          to: 0.0.0.0/0
          via: 135.xxx.159.xxx
        - on-link: true
          to: ::0/
          via: 2001:xxxx:xxx:50ff:ff:ff:ff:ff
      gateway6: 2001:xxxx:xxx:50ff:ff:ff:ff:ff
      macaddress: xx:40:xx:fe:xx:7b
      nameservers:
         addresses:
           - 8.8.8.8
           - 8.8.4.4
           - 2001:4860:4860::8888
           - 2001:4860:4860::8844

Here is the VM network configuration:

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
auto eth0
iface eth0 inet6 static
        accept_ra 0
        address 2001:xxxx:xxx:500f::a2
        netmask 64


post-up /sbin/ip -r route add 2001:xxxx:xxx:50ff:ff:ff:ff:ff dev eth0
post-up /sbin/ip -r route add default via 2001:xxxx:xxx:50ff:ff:ff:ff:ff

Can you help me ?

Thank you.

Regards, Irkoska

Comments

  • stonedstoned Member
    edited December 2022

    @Irkoska said: - 2001:xxxx:xxx:500f::/56

    Should be 2001:xxxx:xxx:500f::1/64 I think.

    Create another bridge called br1, and give it the ip 2001:xxxx:xxx:500f::2/64

    @Irkoska said: address 2001:xxxx:xxx:500f::a2

    Should be 2001:xxxx:xxx:500f::a2/64

    Then add a gateway inside your vm for ipv6. The ipv6 gateway will be the ipv6 address of the br1,

    so in vm, add gateway 2001:xxxx:xxx:500f::2

    You don't need gateway4 or gateway6 any longer. Just gateway should be fine.

    Then connect the VM to viifbr1.

    You may also need to install a ndppd proxy on your host in case the provider is not routing you and leaves routing up to you/your OS. For /etc/ndppd.conf use, then /etc/init.d/ndppd restart

    google for : net.ipv6.conf.interface.proxy_ndp and ipv6 ndp sysctl and ipv6 forwarding sysctl

    route-ttl 30000
proxy vmbr0 {
        router yes
        timeout 500
        ttl 30000
        rule 2001:xxxx:xxx:500f::/64 {
                static
        }
}

    network:
  version: 2
  renderer: networkd
  ethernets:
    enp1s0f0:
      dhcp4: no
      dhcp6: no
  bridges:
    viifbr0:
      addresses:
        - 135.xxx.159.xx/24
        - 2001:xxxx:xxx:500f::1/64
      interfaces: [ enp1s0f0 ]
      routes:
        - on-link: true
          to: 0.0.0.0/0
          via: 135.xxx.159.xxx
        - on-link: true
          to: ::0/
          via: 2001:xxxx:xxx:50ff:ff:ff:ff:ff
      gateway6: 2001:xxxx:xxx:50ff:ff:ff:ff:ff
      macaddress: xx:40:xx:fe:xx:7b
      nameservers:
         addresses:
           - 8.8.8.8
           - 8.8.4.4
           - 2001:4860:4860::8888
           - 2001:4860:4860::8844
    viifbr1:
        addresses:
           - 2001:xxxx:xxx:500f::2/64

    Then connect VM to viifbr1 and use 2001:xxxx:xxx:500f::2 as gateway and 2001:xxxx:xxx:500f::a2/64 as address.

    Hopefully that'll work.

  • vsys_hostvsys_host Member, Patron Provider

    Kindly clarify where did you get the network settings, and are you sure they are correct?

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