This module (libnss-mdns) turnes out to require avahi-daemon; so this feature request essentially means a request for a full-scale zeroconf/mdns /... support. 

Then also having the graphical expolorer for the discovered services would be nice: kdenetwork-kdnssd.

At this moment at LiveCD:
 > cat nsswitch.conf | grep hosts
hosts:      files nisplus nis mdns4_minimal [NOTFOUND=return] dns mdns4

rpm -qf /etc/nsswitch.conf 
glibc-core-2.9-alt5

In system installed:
libnss-mdns-0.10-alt2 (from SRPM package: nss-mdns).

We can not include kdenetwork-kdnssd to LiveCD.

Because it requires kdelibs from KDE3.
We use KDE4 for branch 5.0.
It's no such free space on 700Mb CD-media to put both KDE3 & KDE4.

rpm -qpR kdenetwork-kdnssd-3.5.10-alt3.i586.rpm

kdelibs >= 3.5.10-alt3
kdenetwork-common = 3.5.10-alt3
avahi-daemon  
libnss-mdns  
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
rpmlib(CompressedFileNames) <= 3.0.4-1
libc.so.6(GLIBC_2.0)  
libc.so.6(GLIBC_2.1.3)  
libc.so.6(GLIBC_2.4)  
libkdecore.so.4(CXX3)  
libkdnssd.so.1  
libkio.so.4  
libqt-mt.so.3(CXX3)  
libstdc++.so.6(CXXABI_1.3)  
libstdc++.so.6(GLIBCXX_3.4)  
rtld(GNU_HASH)  
rpmlib(PayloadIsLzma) <= 4.4.2-1

May I close this bug ?

Поддержка дистрибутива завершена. Используйте новые версии.