Ross Burtonhttp://www.burtonini.com/blogA potted account of Ross' lifeen60Ross BurtonmDNS Name Resolutioncomputers/mdns-2005-03-03-14-26http://www.burtonini.com/blog/computers/mdns-2005-03-03-14-26Today I made mDNS name resolution work, but first a little background about my network. I have a desktop PC ... Today I made mDNS name resolution work, but first a little background about my network. I have a desktop PC called eddie, a laptop called hactar, a Netwinder cunning called netwinder, and an iPaq h5500 called ipaq. All of these machines connect to a wireless ADSL router and ask it for an IP address using DHCP, it gives them one and the DNS server, and all is good... until I want to ssh into the Netwinder from my laptop, and then scp files onto the iPaq, as I don't know the IP addresses.

Until now my solution has been to do a broadcast ping with ping -b 192.168.10.255 and try the IPs which respond, but now I've finally found a sane mDNS name resolution plugin for NSS. This is trivially installed and configured (add mdns4 to the hosts line in /etc/nsswitch.conf), but depends on a mDNS responder to be running on each machine. Luckily, Howl is currently in Debian (though not for long), so after quickly installing it on all of the machines to my surprise it Just Worked: 

ross@hactar ~
$ getent hosts netwinder.local
192.168.10.104  netwinder.local
$ getent hosts ipaq.local
192.168.10.105  ipaq.local

Excellent!

NP: Vertigo, Groove Armada

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