UNIX for Dummies Questions & Answers

I configured nagios version 1.0b on solaris 9
and it working fine, but when hosts goes down or unreachable I do not get hosts notification. I get service notification when servive is critical, unrechable and recovered but not an hosts notification.

here is my contact.cfg

define contact{
contact_name trevoro
alias Trevor obba
service_notification_period 24x7
host_notification_period 24x7
service_notification_options c,u,r
host_notification_options d,u,r
service_notification_commands notify-by-email
host_notification_commands host-notify-by-email
email trevor@yahoo.com
}


can you help please? what am I doing wrough

Thanks in Advance

.....