Multiple Alerts getting generated some times

[narendran.neelamegam at wipro.com]

Within a span of 2 minutes 2 alerts have been generated.

[1192193828] SERVICE NOTIFICATION:
nagios;xxxx;NW-PING;OK;notify-by-email;PING OK - Packet loss = 0%, RTA =
272.64 ms
[1192193948] SERVICE NOTIFICATION:
nagios;xxxx;NW-PING;OK;notify-by-email;PING OK - Packet loss = 0%, RTA =
157.49 ms

This happens occasionally, how can I fix this?

Service definition

define service{
        use                             generic-service         ; Name
of service template to use
        host_name                       xxxx
        service_description             NW-PING
        is_volatile                     0
        check_period                    24x7
        max_check_attempts              10
        normal_check_interval           2
        retry_check_interval            1
        contact_groups                  network-admins
        notification_interval           0
        notification_period             24x7
        notification_options            w,c,r
        process_perf_data               1
        check_command                   check_ping!500.0,20%!1000.0,60%
        }
Thanks and Regards,
Narendran Neelamegam

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