Hi,
We have three RUT956 routers with the same firmware 7.14.2, all have the same problem and it occurs cyclically with precise intervals of 1 hour
from the events log you can see that every hour there is a disconnection event, and the router reconnects only after 20 minutes.
with 955 routers the problem does not occur.
| 2792 |
2025-05-16 09:11:57 |
Mobile Data |
Network |
Info |
Mobile data connected (internal modem) |
| 2791 |
2025-05-16 08:51:38 |
Mobile Data |
Network |
Info |
Mobile data disconnected (internal modem) |
| 2790 |
2025-05-16 08:11:57 |
Network Operator |
Network |
Info |
Connected to 22288 operator (internal modem) |
| 2789 |
2025-05-16 08:11:56 |
Network Type |
Network |
Info |
Joined LTE network (internal modem) |
| 2788 |
2025-05-16 08:11:56 |
Mobile Data |
Network |
Info |
Mobile data connected (internal modem) |
| 2787 |
2025-05-16 07:51:38 |
Mobile Data |
Network |
Info |
Mobile data disconnected (internal modem) |
| 2786 |
2025-05-16 07:11:56 |
Network Operator |
Network |
Info |
Connected to 22288 operator (internal modem) |
| 2785 |
2025-05-16 07:11:56 |
Network Type |
Network |
Info |
Joined LTE network (internal modem) |
| 2784 |
2025-05-16 07:11:56 |
Mobile Data |
Network |
Info |
Mobile data connected (internal modem) |
| 2783 |
2025-05-16 06:51:37 |
Mobile Data |
Network |
Info |
Mobile data disconnected (internal modem) |
thanks
Luca
Hello,
Could you please confirm from which firmware version the devices were updated to 7.14.2? Also, was the update performed with ‘Keep Settings’ selected or not?
For testing purposes, please try executing the following commands via CLI/SSH on one of the affected routers:
uci set network.mob1s1a1.dhcp='0'
uci commit network
/etc/init.d/network restart
Additionally, check this similar topic here: RUT956 disconnecting every hour with ESM reject
Once applied, kindly monitor if this brings any improvement. If the issue persists, we’ll need to continue the investigation and troubleshooting privately.
Let me know the outcome.
Best regards,
Hi,
yes the upgrade was performed by RMS to the last firmware avaiable for RUT956: from 7.13.2 to RUT9M_R_00.07.14.2 with 'Keep Settings’ selected.
the problem with the previous firmware had never occurred
we tried the script, but the problem came back,
while we changed the VoLTE from Auto to OFF and it seems that the problem does not come back, we keep monitoring the routers,
thanks
regards
1 Like
as i was able to fix the same problem today…
I think in my case it has to do with the fact that the SIM card is only for data without voice. When the router requests some VoLTE (voice) service the connection is interrupted for a timeout of 20 minutes.
This is at least my understanding of the reject message in the system.log from the router:
URC Event: ESM reject cause => Requested service option not subscribed
Connection will be re-established in 1200 seconds
Now with VoLTE Off, so far our router hasn’t had an interruption all day.