Please attach your /etc/nsswitch.conf. Feisty's libnss-mdns definitively gets the upgrade right from Dapper and Edgy and also works correctly on a clean Feisty install. However, of course it does not touch nsswitch if it has been customized.
** Changed in: avahi (Ubuntu) Sourcepackagename: avahi => nss-mdns Status: Rejected => Needs Info -- avahi's "enable_avahi" script does not turn on MDNS resolution https://launchpad.net/bugs/78680 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs