RLF cause: cfg failure

Spale · July 1, 2021, 3:00am

Hi Experts,
Someone knows what is RLF cause: cfg failure?

Zubairullahshah · July 30, 2021, 2:51pm

4G or 5G ?

Spale · July 30, 2021, 2:51pm

4G, Qualcomm chipset.

Zubairullahshah · July 30, 2021, 2:52pm

RLF reason mainly related to Poor RF condition like low RSRP.
How about radio condition?

marcengo · July 30, 2021, 2:57pm

Could be the case where the UE received a message not 3GPP compliant.

ran_core_consultant · July 30, 2021, 2:58pm

Can you share check RRC Reconfig message before this error message?
It might be something UE doesn’t like.

ankgitm · July 30, 2021, 2:59pm

Do you mean configuration failure due to wrong parameter transferred from network?

ran_core_consultant · July 30, 2021, 3:00pm

Yes. I think I have seen this error before, but could be wrong (its been long time).
It was probably scenario when network was trying to add another APN but TFTs of that APN weren’t defined correctly and device either rejected or gave an error to accept new configuration.

Spale · July 30, 2021, 3:00pm

Hmm… In the reconfig msg is a part for adding Scell and as far as I know in this zone there is no CA, only inter-freq from other vendor.