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Beginner

C881G-4G-GA-K9 Session disconnect reason codes

Hi!

I just experienced issues with a  C881G-4G-GA-K9 (no IP-Address on the interface, no service...).

In the output of show cellular 0 all, in the Data Connection Information I got following:

Data Connection Information
===========================
Profile 1, Packet Session Status = INACTIVE
Call end mode = 3GPP
Session disconnect reason type = 3GPP specification defined(6)
Session disconnect reason = Authentication failed(29)

Tried to find out what is the meaning of codes (6 and 29) but without success.

Can anyone help me out?
Thank you in advance!

Everyone's tags (4)
4 REPLIES 4
VIP Mentor

Re: C881G-4G-GA-K9 Session disconnect reason codes

Hello,

 

all I could find were some generic 3GPP reason codes that don't help a lot.

 

Can you post the output of:

 

sh cellular 0 radio

Highlighted
Beginner

Re: C881G-4G-GA-K9 Session disconnect reason codes

Hi,

of course, there you are:

Radio Information
=================
Radio power mode = online
LTE Rx Channel Number = 1300
LTE Tx Channel Number = 19300
LTE Band = 3
LTE Bandwidth = 20 MHz
Current RSSI = -68 dBm
Current RSRP = -0 dBm
Current RSRQ = -0 dB
Current SNR = -18.3 dB
Physical Cell Id = 217
Number of nearby cells = 6
Idx PCI (Physical Cell Id)
--------------------------------
1 217
2 403
3 404
4 365
5 402
6 121
Radio Access Technology(RAT) Preference = AUTO
Radio Access Technology(RAT) Selected = LTE 

 

Everyone's tags (2)
Beginner

Re: C881G-4G-GA-K9 Session disconnect reason codes

Hi Georg,
I posted the output but without reaction from you...?
VIP Mentor

Re: C881G-4G-GA-K9 Session disconnect reason codes

Hello,

 

sorry for my late response. I was checking the RSSI/RSRP/RSRQ/SNR levels, but they all look very good...

 

As said, the 3GPP disconnect reason is just a generic one. Does this occur often ? If so, turn on debugging (debug cellular 0), also, can you post the output of:

 

show cellular 0 profile

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