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by

Hey team,

MY RUT955 has been working fine for months with a WAN input from Starlink and two SIMS for failover.

After a power loss and cycle, I now get an error in failover 

Event type - Failover; Event text - WAN (wan) is down, no more backups to switch

looking in logread I see some errors).

I see that there is a message about weak signal. I haven't changed anything physical and have not had a problem with signal in this location before. 

The webui shows consistent -61dBm (this is typical) but now this problem is occuring, I can see the mobile is not steady but is cutting out as if it is restarting the modem or switching SIMs. see screenshot

I'm wondering if these errors suggest a config issue with the RUT? Are there command line tools to interrogate the mobile interface so I can better diagnose this problem? Reboot and powercycle does not improve it. Both SIMs have data allocation and are two different carriers. The RUT is remote, so I cannot factory reset until I am back on site.

Thanks!

by

Update

I have disabled the SIM switching on weak signal feature. Now watching the syslog in realtime I think the key issues are

Mon Oct 17 11:17:56 2022 daemon.info unhandler[2806]: [init_system:48] error: Cant init network subsys
Mon Oct 17 11:17:56 2022 daemon.info unhandler[2806]: [main:285] error: Can't get interface from network config

and

Mon Oct 17 11:18:18 2022 daemon.info sim_switch[15993]: [rules_check_data_limit:373] error: Failed to look up for `quota_limit object!
Mon Oct 17 11:18:18 2022 daemon.info sim_switch[15993]: [rules_check_sms_limit_reset:459] error: Failed to invoke `check` method!
Mon Oct 17 11:18:19 2022 daemon.info sim_switch[15993]: [rules_check_data_limit:373] error: Failed to look up for `quota_limit object!
Mon Oct 17 11:18:19 2022 daemon.info sim_switch[15993]: [rules_check_sms_limit_reset:459] error: Failed to invoke `check` method!
Mon Oct 17 11:18:29 2022 daemon.info sim_switch[15993]: [rules_check_data_limit:373] error: Failed to look up for `quota_limit object!
Mon Oct 17 11:18:29 2022 daemon.info sim_switch[15993]: [rules_check_sms_limit_reset:459] error: Failed to invoke `check` method!
Mon Oct 17 11:18:29 2022 daemon.info sim_switch[15993]: [rules_check_data_limit:373] error: Failed to look up for `quota_limit object!
Mon Oct 17 11:18:29 2022 daemon.info sim_switch[15993]: [rules_check_sms_limit_reset:459] error: Failed to invoke `check` method!
Mon Oct 17 11:18:39 2022 daemon.info sim_switch[15993]: [rules_check_data_limit:373] error: Failed to look up for `quota_limit object!
Mon Oct 17 11:18:39 2022 daemon.info sim_switch[15993]: [rules_check_sms_limit_reset:459] error: Failed to invoke `check` method!
Mon Oct 17 11:18:39 2022 daemon.info sim_switch[15993]: [1-1.4] SIM switch in progress. Triggered by data_fail rule

The thing I don't understand is why suddenly the data rule fails - both SIMs have normal data available to them as they did before.

But clearly there is a problem with "Can't init network subsys"

Also in reference to the quote limit error:

~# cat /etc/config/quota_limit
config interface 'mob1s1a1'

config interface 'mob1s2a1'
	option wrn_sent '0'
	option sim '2'
	option modem '1-1.4'
	option ifname 'mob1s2a1'
	option previous_period '3'
	option previous_reset_day_hour '1'
	option due_reset_time '1667214000'
	option enabled '0'

2 Answers

0 votes
by

Hello,

The modem within the router seems to be hung up on some crash loop.

Considering that the modem firmware is rather old, I would like you to perform an update.

The instructions are as follows:

Before attempting the update, you need to connect your router a different WAN source, either wired or wireless.

  • Access your device via SSH and execute the following commands:
    • opkg update
    • opkg install modem_updater
    • opkg install sshfs
    • modem_updater -g
  • The last command will list available firmware versions. Next modify the following command:
    • modem_updater -i <ID> -v <VERSION> 
      • <ID> - should be 1-1.4, however, in case of an error you should be shown a correct ID.
      • <VERSION> - enter the latest firmware version from the list of the previously executed command, it should be EC25AUFAR06A07M4G.

Best regards,

by

thank you 

I updated the modem firmware as suggested (version EC25AUFAR06A06M4G was the latest available).

I still have the issue, to summarise:

 - the SIMs are recognised, but " Data connection state = Disconnected"

- both mobile interfaces status is: "Stopped"

- whenever I am changing a config of the mobile, I still get in the logs:

[init_system:48] error: Cant init network subsys

daemon.info unhandler[2668]: [main:285] error: Can't get interface from network config
0 votes
by

I'm very happy to say that simply upgrading the RouterOS from RUT9_R_00.07.02.3 to RUT9_R_00.07.02.7 fixed this issue and the mobile interfaces immediately worked after that.