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LTE: What will happen if MME fails to send modify bearer request message to SGW during the attach procedure ?

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LTE: What will happen if MME fails to send modify bearer request message to SGW during the attach procedure ?
posted Sep 2, 2016 by Ganesh

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1 Answer

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Modify Bearer Request message is sent from MME to SGW as part of attach procedure. This message carries information of tunnel ids which are created at eNodeB to receive the downlink data from the SGW. If MME gets failed to send MBR to SGW, SGW would not be able to send downlink data for UE. However, eNodeB would be able to forward uplink data to SGW for an UE.

answer Sep 3, 2016 by Harshita
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