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CCIEKW-HOTMAIL
New Member
December 14, 2025
Question

SNMPv3 Not able to discover device in BMC application

  • December 14, 2025
  • 2 replies
  • 541 views

SNMPv3 Not able to discover device in BMC application.

I have enable on Interface SNMP, Username password created and SNMPv3 enabled .

 

SNMP walk is not able to get the output.

    2 replies

    AEK
    SuperUser
    AEK
    SuperUser
    December 14, 2025

    Here is the config that works for me on FWB VM 7.4.10. Try the same and see if it helps.

     

    fwb_snmp.png

     

     

    Then snmpwalk from 192.168.71.1 (the allowed host).

     

    $ snmpwalk -v3 -u snmp1 -l authNoPriv -a sha -A 'Passwd-123' 192.168.71.3 
    iso.3.6.1.2.1.1.1.0 = ""
    iso.3.6.1.2.1.1.2.0 = OID: iso.3.6.1.4.1.12356.107.1.50006
    iso.3.6.1.2.1.1.3.0 = Timeticks: (107559) 0:17:55.59
    iso.3.6.1.2.1.1.4.0 = ""
    iso.3.6.1.2.1.1.5.0 = STRING: "FortiWeb"
    iso.3.6.1.2.1.1.6.0 = ""
    iso.3.6.1.2.1.1.7.0 = INTEGER: 0
    iso.3.6.1.2.1.1.9.1.1.1 = INTEGER: 1
    iso.3.6.1.2.1.1.9.1.2.1 = OID: ccitt.0.0
    ...

    Hope it helps.

    AEK
      CCIEKW-HOTMAIL
      CCIEKW-HOTMAILAuthor
      New Member
      December 14, 2025

      I am facing the issue that traffic is getting blocked from outside to inside.

      AEK
      SuperUser
      AEK
      SuperUser
      December 14, 2025

      Then this is another issue.

      Did you use a VIP to map External_IP:161 to Internal_IP:161 (UDP), and added a firewall rule to allow traffic from external to VIP?

      However know that SNMP is not intended to be published on the WAN. I don't think it is safe to do so, unless you allow only from specific source.

      AEK
      CCIEKW-HOTMAIL
      CCIEKW-HOTMAILAuthor
      New Member
      December 14, 2025

      Yes, i think some rules are missing from External to internal as i have some other devices on which it is working fine. 

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