MME Drops Root cause

4G LTE
1

Hi All,
Can any one tell how to capture the root cause of “L.E-RAB.FailEst.MME” this specific failures?
Let’s assume cell is not overshooting and field SNR is fine as well.

2

The MME drops are usually caused by radio issues but they are pegged under MME drops because the eNB has no way of knowing that the drop was caused by a radio issue.
It could be well due to late handovers triggered or due to RLFs.

1 Like
3

But for RLF timers expiry, CQI missing reports, Radio connection with UE lost the eNB knows the reason is Radio…