# Upgraded to 4.8.1 and now strange SM disconnects
**URL:** https://community.cambiumnetworks.com/t/upgraded-to-4-8-1-and-now-strange-sm-disconnects/99759
**Category:** ePMP
**Created:** [June 5, 2024, 5:13pm UTC](https://community.cambiumnetworks.com/t/upgraded-to-4-8-1-and-now-strange-sm-disconnects/99759 "2024-06-05T17:13:54Z")
**Posts on this page:** 4
**Page:** 1
### Author:  [@DigitalMan2020](https://community.cambiumnetworks.com/u/DigitalMan2020)
#### Post date: [June 5, 2024, 5:13pm UTC](https://community.cambiumnetworks.com/t/upgraded-to-4-8-1-and-now-strange-sm-disconnects/99759/1 "2024-06-05T17:13:55Z")
Hi all upgraded to 4.8.1 one day ago and now have customers reaching out and reporting loss of internet and maestro is showing online times being reset, AP is not dropping the SMs… seeing “DEVICE-AGENT[6114]: Invalid field [sysWDTRebootCounter], please check” in the logs…here is a bit of the log from the AP…
Jun 5 11:03:27 Herbert Town DEVICE-AGENT[6114]: Invalid field [sysWDTRebootCounter], please check
Jun 5 11:03:27 Herbert Town DEVICE-AGENT[6114]: platform\_set\_fld\_index: Failed to get index for field [sysWDTRebootCounter]
Jun 5 11:03:27 Herbert Town DEVICE-AGENT[6114]: Invalid field [sysHardRebootCounter], please check
Jun 5 11:03:27 Herbert Town DEVICE-AGENT[6114]: platform\_set\_fld\_index: Failed to get index for field [sysHardRebootCounter]
Jun 5 11:03:27 Herbert Town DEVICE-AGENT[6114]: Invalid field [sysSoftRebootCounter], please check
Jun 5 11:03:27 Herbert Town DEVICE-AGENT[6114]: platform\_set\_fld\_index: Failed to get index for field [sysSoftRebootCounter]
Jun 5 11:03:27 Herbert Town DEVICE-AGENT[6114]: platform\_set\_cns\_connection\_state: New CNS\_STATE cns\_serv\_stat “Connected”(6)
Jun 5 11:03:18 Herbert Town DEVICE-AGENT[6114]: Invalid field [sysWDTRebootCounter], please check
Jun 5 11:03:18 Herbert Town DEVICE-AGENT[6114]: platform\_set\_fld\_index: Failed to get index for field [sysWDTRebootCounter]
Jun 5 11:03:18 Herbert Town DEVICE-AGENT[6114]: Invalid field [sysHardRebootCounter], please check
Jun 5 11:03:18 Herbert Town DEVICE-AGENT[6114]: platform\_set\_fld\_index: Failed to get index for field [sysHardRebootCounter]
Jun 5 11:03:18 Herbert Town DEVICE-AGENT[6114]: Invalid field [sysSoftRebootCounter], please check
Jun 5 11:03:18 Herbert Town DEVICE-AGENT[6114]: platform\_set\_fld\_index: Failed to get index for field [sysSoftRebootCounter]
Jun 5 11:03:18 Herbert Town DEVICE-AGENT[6114]: platform\_set\_cns\_connection\_state: New CNS\_STATE cns\_serv\_stat “Connected”(6)
Jun 5 11:02:46 Herbert Town admin [10.60.12.202] web\_interface: User: ‘admin’ role: ‘admin’ is logged in…
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### Author:  [@aka](https://community.cambiumnetworks.com/u/aka)
#### Post date: [June 5, 2024, 5:53pm UTC](https://community.cambiumnetworks.com/t/upgraded-to-4-8-1-and-now-strange-sm-disconnects/99759/2 "2024-06-05T17:53:36Z")
Hello @DigitalMan2020,
could you PM me techsupport files?
If AP does not drop SMs, can you access them? GUI or SSH.
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### Author:  [@DigitalMan2020](https://community.cambiumnetworks.com/u/DigitalMan2020)
#### Post date: [June 5, 2024, 6:05pm UTC](https://community.cambiumnetworks.com/t/upgraded-to-4-8-1-and-now-strange-sm-disconnects/99759/3 "2024-06-05T18:05:06Z")
I will do that asap… I can access them with GUI, working with 2 customers, one with a 25 and one with a 19 and looks like a hard reboot of the 25 fixed it but the 19 still shows
Jun 5 18:03:55 F300-19\_Brandee Timko DEVICE-AGENT[6286]: Invalid field [sysWDTRebootCounter], please check
Jun 5 18:03:55 F300-19\_Brandee Timko DEVICE-AGENT[6286]: platform\_set\_fld\_index: Failed to get index for field [sysWDTRebootCounter]
Jun 5 18:03:55 F300-19\_Brandee Timko DEVICE-AGENT[6286]: Invalid field [sysHardRebootCounter], please check
Jun 5 18:03:55 F300-19\_Brandee Timko DEVICE-AGENT[6286]: platform\_set\_fld\_index: Failed to get index for field [sysHardRebootCounter]
Jun 5 18:03:55 F300-19\_Brandee Timko DEVICE-AGENT[6286]: Invalid field [sysSoftRebootCounter], please check
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### Author:  [@system](https://community.cambiumnetworks.com/u/system)
#### Post date: [June 5, 2025, 6:05pm UTC](https://community.cambiumnetworks.com/t/upgraded-to-4-8-1-and-now-strange-sm-disconnects/99759/4 "2025-06-05T18:05:45Z")
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