Hi Peter,

I've used the extension at https://github.com/ohitz/dhcpd-snmp to monitor
ISC dhcpd with net-snmp - but your NMS has to not care that the MIB is not
at all correctly structured.

  Bill


On Sun, Dec 19, 2021 at 6:59 AM Peter Ketteridge via Net-snmp-users <
net-snmp-users@lists.sourceforge.net> wrote:

> HI Everyone
>
>
>
> I am trying to use NET-SMNP to get the number of available DHCP leases (or
> the number of used IPs), I have done an SMNP walk and I just cant seem to
> find the correct OID to use, I think it should be something like the
> following:
>
> 1.3.6.1.2.1.25.4.2.1.4.18352.192.168.3.0
>
>
>
> With 192.168.3.0 the subnet I am looking for total available DHCP leases,
> output from my SNMP testing program below:
>
>
>
> ----------------------- New Test -----------------------
>
> Paessler SNMP Tester - 20.2.4 Computername: PRTG-SVR Interface:
> (192.168.16.15)
>
> 19/12/2021 7:55:32 PM (10 ms) : Device: 192.168.3.1
>
> 19/12/2021 7:55:33 PM (23 ms) : SNMP v2c
>
> 19/12/2021 7:55:33 PM (37 ms) : Custom OID
> 1.3.6.1.2.1.25.4.2.1.4.18352.192.168.3.0
>
> 19/12/2021 7:55:33 PM (59 ms) : SNMP Datatype:
> SNMP_EXCEPTION_NOSUCHINSTANCE
>
> 19/12/2021 7:55:33 PM (75 ms) : -------
>
> 19/12/2021 7:55:33 PM (88 ms) : Value: #N SNMP_EXCEPTION_NOSUCHINSTANCE223
>
> 19/12/2021 7:55:33 PM (108 ms) : Done
>
>
>
>
>
> Can anyone offer any tips?
>
>
>
>
>
>
>
> Regards
>
>
>
> Peter Ketteridge
>
> Network Operations Centre
> www.icon.net.au
>
> Mobile / Cellular  +618 (0) 418 973 928
>
>
>
>
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