Hi,
you can match on snmp trap under the policy like the following example
set event-options policy link_down events snmp_trap_link_down
set event-options policy link_down within 60 trigger on
set event-options policy link_down within 60 trigger 3
set event-options policy link_down attributes-match snmp_trap_link_down.interface-name matches ge-0/0/1
set event-options policy link_down attributes-match snmp_trap_link_down.interface-name matches ge-0/0/2
set event-options policy link_down attributes-match snmp_trap_link_down.interface-name matches ge-0/0/3
set event-options policy link_down then event-script link_down.slax
set event-options event-script file link_down.slax
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If this solves your problem, please mark this post as "Accepted Solution.