[CentOS] How do I list avahi advertisements

Tue Jan 1 14:36:50 UTC 2013
Robert Moskowitz <rgm at htt-consult.com>

how do I find out what avahi services my server is advertising?

I installed avahi-tools and tried

avahi-browse -a  (and -ac) and nothing was listed.  I find it hard to 
believe that my system that has apache up and running is not advertising