On Sat, Nov 15, 2025 at 06:56:46PM +0000, H. Hartzer wrote: > My first test was to put each VM on its own veb and route the /112 out > of the physical ethernet interface. This seems like it would work, in > theory, but the host doesn't respond to icmp6 "who-has"-style requests > for a VM's IP. Thus, the upstream router doesn't know to address traffic > to the host's MAC, and for it to forward it on.
To make that setup work, you could use proxy NDP on the host. By the way, /112 is a fairly small allocation for IPv6.

