Hi there, Finally I got the answer from google search, refer to https://blog.flyingpenguintech.org/2017/12/ipv6-with-macvtap-and-libvirt.html This is expected. With trustGuestRxFilters="yes", ipv6 works well.
# virsh dumpxml vm1 --xpath //interface <interface type="direct" trustGuestRxFilters="yes"> <mac address="52:54:00:f5:0d:b1"/> <source dev="eno1" mode="bridge"/> <target dev="macvtap1"/> <model type="virtio"/> <alias name="net0"/> <address type="pci" domain="0x0000" bus="0x01" slot="0x00" function="0x0"/> </interface> BR, Yalan On Tue, Jul 11, 2023 at 9:48 AM Yalan Zhang <yalzh...@redhat.com> wrote: > Hi there, > > I have a question regarding direct type interfaces. Would someone be able > to take a look at it? > When I start 2 VMs on the same host with interface "direct type + bridge > mode", just as below: > <interface type="direct"> > <mac address="52:54:00:9e:7b:51"/> > <source dev="eno1" mode="bridge"/> > <model type="virtio"/> > </interface> > > The 2 VMs can connect to each other via ipv4, but can not connect to each > other via ipv6. > Maybe it's related to some kernel parameters, but I don't know how to > debug. > Is there anyone who can help me? > Thank you! > > > BR, > Yalan >
