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SNMP is not working on UTM 9

Joshua Abbott

He utilize Cacti server for network bandwidth monitoring and packet loss so we can have historical information for our clients. Please hella good when dealing with ISPs and packet loss. :)

We come from a Mikrotik world but one of our clients use a SG135 box. We want to set up the same SNMP monitoring but I for the life of me cannot get it to work. I have enabled the SNMP Query under Management > SNMP. I have tried both v2c and v3 set my allowed networks, and so on. From the Cacti side, all I get is "SNMP error". I have done a tcpdump on the Sophos box and do not see anything coming from my public IP on 161 or anything for that matter. I have gone as far as creating a firewall entry that has source as cacti, service SNMP, and the destination: External (WAN).

I also see that nmap shows 161 as "filtered" from my office as well as well as from the cacti server.

Has anyone heard of or seen this before and can help me out? 



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  • 0 in reply to Megachip

    Hallo and welcome to the UTM Community!

    Your firewall rules are probably the problem.  Are you seeing related blocks in the firewall log?

    Where is "OW6 - Infrastructure" - out on the Internet or in a LAN?

    Cheers - Bob

     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
  • 0 in reply to BAlfson

    BAlfson said:

    Your firewall rules are probably the problem.  Are you seeing related blocks in the firewall log? 

    nope :(

     

    BAlfson said:

    Where is "OW6 - Infrastructure" - out on the Internet or in a LAN?

    It's LAN, but coming from (as WAN defined) interface

  • 0 in reply to Megachip

    Please show a picture of the Edit of the "OW6 - Infrastructure" object.

    Cheers - Bob

     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
  • 0 in reply to BAlfson

    BAlfson said:

    Please show a picture of the Edit of the "OW6 - Infrastructure" object.

    Cheers - Bob

    Will do asap. But think its a firewall issue, cause it worked without (license was running out so the machine was reachable via external - everything works fine. After uploading the new licence snmp stoped working (even with firewall rulez) and admin is only reachable via vpn ;)

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  • 0 in reply to BAlfson

    BAlfson said:

    Please show a picture of the Edit of the "OW6 - Infrastructure" object.

    Cheers - Bob

    Will do asap. But think its a firewall issue, cause it worked without (license was running out so the machine was reachable via external - everything works fine. After uploading the new licence snmp stoped working (even with firewall rulez) and admin is only reachable via vpn ;)

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