"avahi-browse -a" does not show hosts on LAN

[Aim]

On Tue, 19 Jan 2021 12:54:02 +0700
Victor Sudakov <vas at sibptus.ru> wrote:

> Victor Sudakov wrote:
> > 
> > Do you have any idea why a FreeBSD host sees only itself in the
> > "avahi-browse -a" output? 
> > 
> > There are other hosts on the LAN segment, and "avahi-browse -a" on an
> > Ubuntu host does show them (and does not show itself, which is
> > reasonable).
> 
> Created a PR https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=252819
> 

It works OK here:

happy 12.2-RELEASE FreeBSD 12.2-RELEASE r366954 GENERIC  amd64

happy$ avahi-browse -a
+  wlan0 IPv4 happy                                         _ssh._tcp            local
+    lo0 IPv6 happy                                         _ssh._tcp            local
+    lo0 IPv4 happy                                         _ssh._tcp            local
+  wlan0 IPv4 happy                                         _sftp-ssh._tcp       local
+    lo0 IPv6 happy                                         _sftp-ssh._tcp       local
+    lo0 IPv4 happy                                         _sftp-ssh._tcp       local
+  wlan0 IPv4 Athena                                        _airplay._tcp        local
+  wlan0 IPv4 Element C503X 6C2B                            _hap._tcp            local
+  wlan0 IPv4 myrouter                                      _http._tcp           local
+  wlan0 IPv4 SLEEPY                                        _smb._tcp            local
+  wlan0 IPv4 SLEEPY                                        _device-info._tcp    local
+  wlan0 IPv4 Officejet_J6400_fax @ sleepy                  _printer._tcp        local
+  wlan0 IPv4 Officejet_J6400_fax @ sleepy                  _ipps._tcp           local
+  wlan0 IPv4 Officejet_J6400_fax @ sleepy                  _ipp._tcp            local