Hey Wido, thank you. That solves a lot of trouble in my head. :) The documentation is not that clear.
IPv6 ist a must have for us We are using Juniper MX gear as gateways. I just have to check if we can do SLAAC with our current JUNOS version and setup as we are using EVPN+MPLS with all-active multihoming on the gateway side. Am Mi., 6. Dez. 2023 um 09:06 Uhr schrieb Wido den Hollander < [email protected]>: > Hi, > > Great to see you are deploying IPv6! > > Op 05/12/2023 om 16:05 schreef Tobias Rehn: > > Hey together, > > > > I am in the process of setting up IPv6 in a shared guest network. I have > > successfully added the network with both IPv4 and IPv6 address space. > > > > For IPv4 the whole thing is working perfectly but I am failing with > IPv6. I > > read the documentation and for me it is somehow unclear how the IPv6 > > addresses are installed on an instance. > > > > Speaking about the following document: > > http://docs.cloudstack.apache.org/en/4.18.1.0/plugins/ipv6.html > > > > In the documentation it says about Shared Networks... "The user VM > > generates an IPv6 link local address by itself, and gets an IPv6 global > or > > site local address through DHCPv6." > > > > You should enable IPv6 Router Advertisements so your router, not the VR, > advertises itself on the network as a gateway. In this message it should > also announce the prefix (usually /64) to be used in that network. > > Based on the IPv6 Prefix and it's MAC address the Instance will obtain a > unique address. > > Make sure that IPv6 privacy extentensions are disabled inside the VM > template. > > > But then further down... "The gateway of the guest network generates > Router > > Advisement and Response messages to Router Solicitation." > > > > Does the VR handle the DHCP6 requests? Or should this be handled by our > > gateways? > > > > DHCP is not used with IPv6, it's all using Router Advertisements and > SLAAC, StateLess Address Auto Configuration. > > What routers are you using for the shared network? > > Wido > > > Hopyfully, someone can point me to the right direction. Thanks. > > > > > > Best > > Tobias > > >
