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Date:      Wed, 20 Jan 2021 09:52:38 -0500
From:      Aim <dvoich@aim.com>
To:        freebsd-questions@freebsd.org
Subject:   Re: "avahi-browse -a" does not show hosts on LAN
Message-ID:  <20210120095238.34ac9dbf6475db4ac21583ad@aim.com>
In-Reply-To: <20210120021924.GA603@admin.sibptus.ru>
References:  <20210117173628.GA11235@admin.sibptus.ru> <20210119055402.GA26903@admin.sibptus.ru> <20210119084633.44a8ede92689c65c789fe4de@aim.com> <20210120021924.GA603@admin.sibptus.ru>

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On Wed, 20 Jan 2021 09:19:24 +0700
Victor Sudakov <vas@sibptus.ru> wrote:

> Aim via freebsd-questions 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:
> 
> I wonder, what's different between your setup and mine? From the output below
> you can see that the name dexp1.local exists mDNS, but it is not browseable
> ("VAS" is the name of the local host):
> 
> vas@vas ~] avahi-browse -at
> +    re1 IPv6 vas                                           _ssh._tcp            local
> +    re1 IPv4 vas                                           _ssh._tcp            local
> +    re1 IPv6 vas                                           _sftp-ssh._tcp       local
> +    re1 IPv4 vas                                           _sftp-ssh._tcp       local
> +    re1 IPv6 VAS                                           _device-info._tcp    local
> +    re1 IPv4 VAS                                           _device-info._tcp    local
> +    re1 IPv6 VAS                                           _smb._tcp            local
> +    re1 IPv4 VAS                                           _smb._tcp            local
> [vas@vas ~] ping dexp1.local
> PING dexp1.local (192.168.170.252): 56 data bytes
> 64 bytes from 192.168.170.252: icmp_seq=0 ttl=64 time=0.212 ms
> 64 bytes from 192.168.170.252: icmp_seq=1 ttl=64 time=0.425 ms
> 64 bytes from 192.168.170.252: icmp_seq=2 ttl=64 time=0.291 ms
> ^C
> --- dexp1.local ping statistics ---
> 3 packets transmitted, 3 packets received, 0.0% packet loss
> round-trip min/avg/max/stddev = 0.212/0.309/0.425/0.088 ms
> [vas@vas ~] uname -a
> FreeBSD vas.sibptus.ru 12.2-RELEASE-p1 FreeBSD 12.2-RELEASE-p1 GENERIC  amd64
> 
I don't know where to start looking for differences. My setup is mostly generic. I would be happy to check whatever settings you might think affect you.


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