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AGW does not reply to NGReset from RAN #15423
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This issue was reported two years ago, but apparently no fix: #11428 . @mickymkumar, @panyogesh you were assigned this. Do you have any information regarding this topic? |
We are looking into it. |
What is the best way to find out why PDU decode fails? I'm using test_ngap_flows.cpp to test the PDU decode, but I cannot find any more detailed logs than this:
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Wireshark decodes the NGReset packet like this:
However, it seems that AGW fails after the value field. I run the
I then run
The PDU decode seems to stop after the value field. If I use the default value for ng_reset_hexbuf, which is in the test by default, it decodes the PDU:
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We are updating our ASN feature. Once it is pushed I will inform you and it will resolve this issue as well |
Share your logs and I can help you around PDU decode fails |
What is the timeline for the ASN update? I've tried the branch asn_upgrade, but it does not seem to solve the problem.
Any specific logs? mme.log and pcap is already provided in post |
There is no timeline. The code has not been pushed in the repo. And, can you share the actual file for mme, syslog, pcap? |
Sure, here are the log files. Is there a way to print the ASN packets? |
Were able to decode PDU, but now a new error occurs:
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I don't think so. but I check if there a way to flitter ASN |
tentative date is May 29 for update code change. But need to discuss to tsc team for update and changes as well. |
Describe the Issue
RAN (Ericsson gNB) sends NGReset, but does not receive any answer from AGW. mme.log shows 'Failed to decode PDU' and 'Failed to decode new buffer' when NGReset is received. See from packet number 300 in pcap and mme.log at same time interval, from line 634 and 'Failed to decode PDU' in line 694.
eth1-debug-0805-1.zip
0805-1_mme.log
Expected behavior
AGW should reply to NGReset
Screenshots
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Additional context
Add any other context about the problem here (e.g. logs).
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