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I've set my 

/etc/hosts

and

/etc/hostname

on my Debian system. I also have the Avahi daemon installed and running.

From my mac I run 

arp -a

and this lists all the IP's but where the hostname should be I see a

?

How can I get Avahi to broadcast my hostname?

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  • The question that pops up for me: Does arp even attempt to resolve names with mDNS?
    – Daniel B
    Commented Jul 22, 2014 at 6:37

1 Answer 1

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You should use ip -r neigh, arp utility is now obsolete. See net-tools . This one support mdns name resolution by using glibc's name service switch. Therefore you need to have 

mdns_minimal [NOTFOUND=return]

in the hosts: line of /etc/nsswitch.conf.

If you're using IPv6, don't forget to set

use-ipv6=yes

in /etc/avahi/avahi-daemon.conf and check that your machines use

mdns_minimal

and not

mdns4_minimal

in /etc/nsswitch.conf.

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