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  • TheBonaZabbix
    Member
    • Feb 2023
    • 67

    #1

    Problem with Discovery rule --> Filters

    Dear all,
    I have a problem with filters in a discovery rule.
    Surely I'm wrong but I don't understand what.
    I don't understand why some interfaces are automatically filtered while others are not.

    These are the Template’s filters
    Click image for larger version

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    These are the Template’s macro
    Click image for larger version

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    If I test the Discovery rule on a device I obtain

    {"{#SNMPINDEX}":"1","{#IFOPERSTATUS}":"2","{#IF ADM INSTATUS}":"2","{#IFALIAS}":"","{#IFNAME}":"AT0"," {#IFDESCR}":"ATM0","{#IFTYPE}":"94"},
    {"{#SNMPINDEX}":"2","{#IFOPERSTATUS}":"1","{#IF ADM INSTATUS}":"1","{#IFALIAS}":"","{#IFNAME}":"Et0"," {#IFDESCR}":"Ethernet0","{#IFTYPE}":"6"},
    {"{#SNMPINDEX}":"3","{#IFOPERSTATUS}":"1","{#IF ADM INSTATUS}":"1","{#IFALIAS}":"Interfaccia Switched","{#IFNAME}":"Fa0","{#IFDESCR}":"FastEthe rnet0","{#IFTYPE}":"6"},
    {"{#SNMPINDEX}":"4","{#IFOPERSTATUS}":"1","{#IF ADM INSTATUS}":"1","{#IFALIAS}":"Interfaccia Switched","{#IFNAME}":"Fa1","{#IFDESCR}":"FastEthe rnet1","{#IFTYPE}":"6"},
    {"{#SNMPINDEX}":"5","{#IFOPERSTATUS}":"2","{#IF ADM INSTATUS}":"1","{#IFALIAS}":"","{#IFNAME}":"Fa2"," {#IFDESCR}":"FastEthernet2","{#IFTYPE}":"6"},
    {"{#SNMPINDEX}":"6","{#IFOPERSTATUS}":"2","{#IF ADM INSTATUS}":"1","{#IFALIAS}":"","{#IFNAME}":"Fa3"," {#IFDESCR}":"FastEthernet3","{#IFTYPE}":"6"},
    {"{#SNMPINDEX}":"7","{#IFOPERSTATUS}":"1","{#IF ADM INSTATUS}":"1","{#IFALIAS}":"","{#IFNAME}":"Vo0"," {#IFDESCR}":"VoIP-Null0","{#IFTYPE}":"1"},
    {"{#SNMPINDEX}":"8","{#IFOPERSTATUS}":"1","{#IF ADM INSTATUS}":"1","{#IFALIAS}":"","{#IFNAME}":"Nu0"," {#IFDESCR}":"Null0","{#IFTYPE}":"1"},
    {"{#SNMPINDEX}":"9","{#IFOPERSTATUS}":"7","{#IF ADM INSTATUS}":"1","{#IFALIAS}":"","{#IFNAME}":"ATM0-atm layer","{#IFDESCR}":"ATM0-atm layer","{#IFTYPE}":"37"},
    {"{#SNMPINDEX}":"10","{#IFOPERSTATUS}":"7","{#I FAD MINSTATUS}":"1","{#IFALIAS}":"","{#IFNAME}":"ATM0. 0-atm subif","{#IFDESCR}":"ATM0.0-atm subif","{#IFTYPE}":"134"},
    {"{#SNMPINDEX}":"11","{#IFOPERSTATUS}":"7","{#I FAD MINSTATUS}":"1","{#IFALIAS}":"","{#IFNAME}":"ATM0-aal5 layer","{#IFDESCR}":"ATM0-aal5 layer","{#IFTYPE}":"49"},
    {"{#SNMPINDEX}":"12","{#IFOPERSTATUS}":"7","{#I FAD MINSTATUS}":"1","{#IFALIAS}":"","{#IFNAME}":"ATM0. 0-aal5 layer","{#IFDESCR}":"ATM0.0-aal5 layer","{#IFTYPE}":"49"},
    {"{#SNMPINDEX}":"13","{#IFOPERSTATUS}":"2","{#I FAD MINSTATUS}":"2","{#IFALIAS}":"","{#IFNAME}":"AT0-adsl","{#IFDESCR}":"ATM0-adsl","{#IFTYPE}":"94"},
    {"{#SNMPINDEX}":"18","{#IFOPERSTATUS}":"2","{#I FAD MINSTATUS}":"2","{#IFALIAS}":"","{#IFNAME}":"NV0", "{#IFDESCR}":"NVI0","{#IFTYPE}":"1"}],
    {"{#SNMPINDEX}":"14","{#IFOPERSTATUS}":"1","{#I FAD MINSTATUS}":"1","{#IFALIAS}":"","{#IFNAME}":"Et0-vdsl2","{#IFDESCR}":"Ethernet0-vdsl2","{#IFTYPE}":"251"},
    {"{#SNMPINDEX}":"15","{#IFOPERSTATUS}":"2","{#I FAD MINSTATUS}":"1","{#IFALIAS}":"","{#IFNAME}":"Vl1", "{#IFDESCR}":"Vlan1","{#IFTYPE}":"53"},
    {"{#SNMPINDEX}":"16","{#IFOPERSTATUS}":"1","{#I FAD MINSTATUS}":"1","{#IFALIAS}":"","{#IFNAME}":"Et0.9 0","{#IFDESCR}":"Ethernet0.90","{#IFTYPE}":"135 "},
    {"{#SNMPINDEX}":"17","{#IFOPERSTATUS}":"1","{#I FAD MINSTATUS}":"1","{#IFALIAS}":"Interfaccia LAN","{#IFNAME}":"Vl2","{#IFDESCR}":"Vlan2","{#IF T YPE}":"53"}

    I have highlighted 2 detected interfaces (AT0-adsl and NV0)

    Coming to the question (finally)....
    Why is the NV0 interface present in the device’s interfaces while the AT0-adsl interface is not present?
    Click image for larger version

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    Could anyone give me a suggestion?
    What am I missing?

    Thank you
    Good day
  • cyber
    Senior Member
    Zabbix Certified SpecialistZabbix Certified Professional
    • Dec 2006
    • 4807

    #2
    AT0-adsl interface is not present​ because of following.
    {"{#SNMPINDEX}":"13","{#IFOPERSTATUS}":"2","{#IFADMINSTATUS}":"2","{#IFALIAS}":"","{#IFNAME}":"AT0-adsl","{#IFDESCR}":"ATM0-adsl","{#IFTYPE}":"94"}

    Maybe that NV0 was not with that admin status at the moment of discovery? Is it maybe marked as "not discovered any more" ?

    Comment

    • TheBonaZabbix
      Member
      • Feb 2023
      • 67

      #3
      I'm afraid I messed up the configuration.
      Previously, a template with unfiltered discovery was probably applied to the hosts.
      It had detected all interfaces.

      Now I've made some peace with my brain and the new tests are giving me the desired results.

      Interfaces are properly filtered.

      Thank you so much Cyber for your precious help.
      Have a Good day​!

      Comment

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