On 3/25/25 00:40, Laine Stump via Devel wrote: > When using the default SLIRP backend for <interface type='user'>, the > <ip address='blah' prefix='blur'/> setting doesn't behave as might be > expected (i.e. it doesn't set the guest interface IP/prefix to exactly > the provided values). This *should* have created questions when users > originally encountered it, but instead it has become more apparent as > people are contemplating switching from using the SLIRP backend to > using passt instead (with passt, the <ip> settings do behave "as > expected"). > > In order to make this difference in behavior less mysterious, Yalan > Zhang kindly took the time to test and document the effect of various > representative <ip> settings on guest interface config when SLIRP is > used (see https://issues.redhat.com/browse/RHEL-46601); this patch > adds that same table to libvirt's documentation. > > Signed-off-by: Laine Stump <laine@xxxxxxxxxx> > --- > docs/formatdomain.rst | 69 ++++++++++++++++++++++++++++++++++++------- > 1 file changed, 58 insertions(+), 11 deletions(-) Reviewed-by: Michal Privoznik <mprivozn@xxxxxxxxxx> Michal
