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How does the eNodeB discover the S1-U IP address of SGW?

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How does the eNodeB discover the S1-U IP address of SGW?
posted Aug 14, 2014 by anonymous

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2 Answers

+2 votes

MME sends SI-U address in initial context setup request to enodeB, then EnodeB check path by sending echo request to SGW and once response received then it sends ICS response to MME.

answer Aug 14, 2014 by Rajendra Prasad
+1 vote

It gets it from MME as part of Attach Procedure.

answer Aug 14, 2014 by Bart Barton
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