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Return SGW TEID in GTP session/context creation response header #322

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vkatsuba opened this issue Feb 11, 2021 · 0 comments · Fixed by #326
Closed

Return SGW TEID in GTP session/context creation response header #322

vkatsuba opened this issue Feb 11, 2021 · 0 comments · Fixed by #326
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feature 🚀 Feature Request

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@vkatsuba
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vkatsuba commented Feb 11, 2021 •
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erGW version

2.8.6

Description

  • Motivation
    In the network during draining, when setting the erGW not to accept new requests (reject with "no resources available"), the many SGWs/SGSNs from different networks could not correlate the session creation requests and the responses. The analysis was that the root cause of the issue is that erGW returns the GTP rejections with the TEID GTP header value set to 0. While the specs (e.g. 3GPP 129.274) leave some space for interpretation.
  • Proposal
    Implement in the returning of the SGW TEID in the session error handling code.

Current behavior

The SGW TEID is not returning in the session error handling code.

Expected behavior

The SGW TEID is returning in the session error handling code.
@vkatsuba vkatsuba added the feature 🚀 Feature Request label Feb 11, 2021
@vkatsuba vkatsuba linked a pull request Feb 18, 2021 that will close this issue
Return SGW TEID in GTP session/context creation response header #323
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@RoadRunnr RoadRunnr mentioned this issue Feb 25, 2021
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RoadRunnr added a commit that referenced this issue Feb 25, 2021
@RoadRunnr
return proper sender TEID when rejecting new sessions
d595850 
Make sure to return a proper TEID when rejecting new sessions due to an internal block
(accept_new == false).

Fixes #322
RoadRunnr added a commit that referenced this issue Feb 25, 2021
@RoadRunnr
return proper sender TEID when rejecting new sessions
09bd8e6 
Make sure to return a proper TEID when rejecting new sessions due to an internal block
(accept_new == false).

Fixes #322
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@vkatsuba