Hello,
Please can someone tell me what the message 'WiFi security settings have been successfully saved' in my router log actually means i.e. what is the router doing, and why? The message tends to appear multiple, usually 4, times in quick succession, and I get several groups of messages on most days.
My reason for asking is I've been struggling with my wireless printers frequently going offline at seemingly random times. Internet searches show printer-offline issues are widely reported with various printer models, but none of the suggested fixes work for me. Furthermore my problem is affecting two printers (different models) at varying times. So I decided to take a closer look at what is happening in my case...
I ran a batch script which pings my printer IP addresses every 5 minutes over several days to find out when the problem occurs. By cross-referencing the results against my router's log, I've concluded that my problem is somehow linked to the 'WiFi security...' messages in the router log.
To clarify, my 'WiFi security...' messages are usually followed in the log by all 2.4GHz wifi devices - or less frequently all 5GHz wifi devices - automatically disconnecting and reconnecting from the network, and therefore becoming un-pingable for a short time. This is acceptably brief, and is NOT the problem.
The problem IS:
- one or both of my printers becomes permanently un-pingable (ping returns 'unreachable' response) from any device (like my test laptop on wifi, or wired, or my mobile phone) which disconnects and reconnects to the network, AFTER the 'WiFi security...' messages appear. Subsequent pings continue to fail despite the fact that, according to the log, both test device and printer are successfully connected to the network;
- devices that stay connected to the network after the 'WiFi security...' messages, continue to see the printer until the next time they reconnect;
- the only way I have found to make the printer ping-able again from all devices is to disconnect/reconnect the printer itself.
As said above, the 'WiFi security...' messages are normally followed in the log by all wifi devices on one frequency disconnecting and reconnecting. In practice, this can lead to a scenario where the printer becomes un-pingable after one set of 'WiFi security...' messages, and then becomes pingable again several hours later, through being automatically disconnected and reconnected following another set of 'WiFi security...' messages.
In hindsight, my problems will have have seemed random during daily use because firstly, my newer printer can switch between 2.4/5GHz, and secondly, my main laptop running Windows 11 reconnects to the network every time it wakes from sleep. My testing has eliminated these random elements and my printer-offline problems coincide with the 'WiFi security...' messages every time.
So to help me determine where the root cause lies and how to fix it, please can someone tell me what the router is doing when these messages appear, and why do they happen when they do (what is the trigger)?
[ The back of my router says its a Sagemcom FAST 5364-3.T8. The firmware version is SG4K100174. ]
Many thanks in advance.
