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Re: systemd-networkd, bridge and containers: unable to ping host from guest



	Hi.

On Thu, Jul 11, 2019 at 03:29:57PM +0200, lanquil wrote:
> The problem I'm encountering is that in all guests (Debian and
> Windows, DHCP or static IP configurations) I'm never able to ping the
> host system.

And the "tcpdump -pni br0 icmp" shows us what exactly here?
Assuming that the guest uses ICMP for pings. They have some curious
views at this at M$ .

> From the host I'm instead able to ping the guest.

Likewise. Please provide the output of tcpdump.


> Can someone kindly give me some hint on how to solve this issue?

On a first glance I see nothing unusual here, but libvirt likes to wreak
havok with host's netfilter/nft rules. With the best intentions, of
course.

So, an output of both iptables-save and iptables-legacy-save would be
helpful here too.

Reco


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