see these steps for configuring devices for syslog analysis:
To configure message logging on a Cisco IOS device, enter the following commands:
logging on
logging server-ip-address
logging trap informational
To configure message logging on a Cisco Catalyst device, enter the following commands:
set logging server enable
set logging server server-ip-address
set logging server facility server-facility-parameter
set logging server severity server-severity-level
set logging server all 6 default
configuring and accessing whatsup Gold:
http://www.cisco.com/en/US/docs/net_mgmt/ciscoworks_small_network_management_solution/1.0/quick/guide/csnmqsg.html#wp39795