1 sscontrol rule
2 add sitename+sn2+...+snN:rule+r2+...+rN type value
2.1 %value
2.2 %opts
2 dropserver sitename+sn2+...+snN:rule+r2+...+rN server+s2+...+snN
2 remove sitename+sn2+...+snN:rule+r2+...+rN
2 set sitename+sn2+...+snN:rule+r2+...+rN
2.1 %value
2.2 %opts
2 status sitename+sn2+...+snN:rule+r2+...+rN
2 useserver sitename+sn2+...+snN:rule+r2+...+rN server+s2+...+snN

opts:

1? 
1 beginrange low endrange high
1 priority value
1 metricname value