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LTE interface is down after applying APN profile

Latest reply: Dec 24, 2018 15:28:07 819 4 0 0 0
Hi everyone,

What if the LTE interface don't come up after applying APN profile?
The detalied description is having a sim card that should provide public static IP, but by configuring the specific APN to device the interface does not come up and does not obtain an IP address. When no APN is applied then the cellular interface comes up but with an private IP address.

The first thing to do is to start by collecting the logs and diagnostic and check the cellular interface and apn profile configuration especially the following:
-the private network authentication to be open for SIM card

-the apn-name to be correct configured

-the apn-name has username and password

If all the above are correctly configured go further and  check the SIM card because the SIM card may be only 3G and the working mode of the interface may not be in WCDMA.


As resolution, change the working mode of the interface to WCDMA/GSM using the following commands:


<Huawei>system-view

[Huawei] interface cellular 0/0/0

[Huawei-Cellular0/0/0] mode wcdma wcdma-only


Hope you won't encounter this issue, but if you do, now you know where to look.


Regards

From group: Router
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w1
Created Oct 31, 2018 02:02:09

The process steps are very clear and have more details, when check wireless issue of AR device, i think this case can guide me more, thanks for your sharing, good case
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xiaomumu
Created Dec 24, 2018 01:49:34

This post was last edited by xiaomumu at 2018-12-27 02:26. Can the change to WCDMA/GSM be explained in detail?
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bahjat1990
Created Dec 24, 2018 15:26:52

Thanks you
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bahjat1990
Created Dec 24, 2018 15:28:07

Good
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