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  1. Open the 
    Insert excerpt
    _AdminWeb
    _AdminWeb
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     > Configuration Host Checks and select a command name for host checks > Trap Filters and select "Create new Filter" or an existing one (see picture below).
  2. Enter your settings or changes, as described in the table below.

    Parameter

    Description

    Filter name

    Filter name to be used as filter ID

    -

    Info

    The name must be unique. Allowed characters are a-z, A-Z, 0-9 and underscore (_).

    Source address

    Address of host sending the trap (empty address means that any source address is allowed to pass appropriate trap).

    OID

    OID of the trap. If specified OID matches OID of appropriate trap or any of its bound data OIDs, the trap will be passed to the monitoring process.

     

    Resulting service state

    Service state created by determining passive check result for service matching trap parameters.

    Following values are allowed: “OK”, “WARNING”, “CRITICAL”, “UNKOWN”.

    Noteinfo

    There are two different options to determine service state: The filter option above and service definition. By default the filter option is used. This which may be changed by service definition afterwards during trap processing.

You can see at the bottom the list of traps, which are recently received. The list can be toggled between by process level trap properties unfiltered, filtered, processed and all traps.

Property

Description

unfiltered

No appropriate filter found, trap has not been passed to monitor process.

filtered

Filter found, trap has been passed to monitor process.

processed

Filter found, trap has been passed to monitor process and used for service check result determination.

all

All traps recently received.

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Note

If no filters are defined, all traps are passed to monitoring process. Trap history size is limited by SNMP Configuration, setting Max number of trap history entries.

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