Hi guys.
I have an issue with autodiscovery. It did find quite a few devices, but it will not find new.
When I do a debug on discovery process it gives a reason of Discovery failed: ‘hostname’ is not a valid ip or dns name.
The devices are visible through XDP and OSPF modules. Reverse lookup through OSPF module works normally.
When I do a dig on ‘hostname’ it resolves normally. Furthermore the device can be added manually.
I did a tcpdump for DNS traffic and noticed that the server doesn’t make queries for problematic devices.
Help would be greatly appreciated.
Validate output below.
===========================================
| Component | Version |
|---|---|
| LibreNMS | 24.7.0-11-ge6f02ea7f (2024-07-21T20:03:32+02:00) |
| DB Schema | 2024_07_13_133839_modify_ent_physical_defaults (295) |
| PHP | 8.1.27 |
| Python | 3.9.18 |
| Database | MariaDB 10.5.22-MariaDB |
| RRDTool | 1.7.2 |
| SNMP | 5.9.1 |
| =========================================== |
[OK] Composer Version: 2.7.7
[OK] Dependencies up-to-date.
[OK] Database connection successful
[OK] Database Schema is current
[OK] SQL Server meets minimum requirements
[OK] lower_case_table_names is enabled
[OK] MySQL engine is optimal
[OK] Database and column collations are correct
[OK] Database schema correct
[OK] MySQL and PHP time match
[OK] Active pollers found
[OK] Dispatcher Service not detected
[OK] Locks are functional
[OK] Python poller wrapper is polling
[OK] Redis is unavailable
[OK] rrd_dir is writable
[OK] rrdtool version ok
Best regards.