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Why does MME send "Modify bearer request" message to SGW as part of attach procedure?

+5 votes
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Why does MME send "Modify bearer request" message to SGW as part of attach procedure?
posted Oct 31, 2014 by anonymous

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1 Answer

+2 votes

MME sends modify bearer request to SGW to update the DL tunnel id and ip in SGW so that SGW will send the DL data to eNB using this tunnel id and ip.

answer Oct 31, 2014 by Veer Pal Singh Yadav
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