Recent posts under tag sgw

+1 vote

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MN Initiated SN Release (Data forwarding related)

posted May 10, 2019 by Pdk

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LTE: In which scenario bearer binding and event reporting function (BBERF) is used ?

posted Oct 12, 2018 by Vikram Singh

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LTE: How the uplink and downlink data flow through indirect data forwarding tunnels in S1- handover ?

posted Oct 5, 2018 by Vikram Singh

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LTE: Either "ECGI" or "TAI", which one is considered by a MME to make SGW selection for CS request ?

posted Jul 6, 2018 by Harshita

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Is it possible that MCC MNC gets changed in a same Diameter session without changing session ID

posted Nov 30, 2017 by anonymous

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LTE: Is it possible SGW and PGW support multiple IPs for GTP tunneling ?

posted Oct 10, 2017 by Harshita

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How to test S6a ,S5/S8 interface?

posted Sep 12, 2017 by Chinmoy Padhi

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Can single SGW connect to multiple PGW?If yes ,please explain the scenario?

posted Sep 11, 2017 by Sakshi Rai

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Why SGW is not having connection with GGSN?Instead it has connection with SGSN

posted Aug 28, 2017 by Charan Shah

+2 votes

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How SGW knows ENB tunneling ID because MME will select SGW in the initial attach but SGW not aware of ENB?

posted Aug 24, 2017 by Charan Shah

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Why SGW is buffering UE data, however ENB PDCP buffers the data then why buffering is needed in SGW?

posted Aug 23, 2017 by Charan Shah

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While UE doing RLF if ENB comes up then what msg enb will send to epc and if ENB rejects RLF then what epc will do.

posted Aug 8, 2017 by anonymous

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How MME selects SGW?Based on what parameter MME selects SGW?

posted Jun 6, 2017 by Rohit Verma

+2 votes

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Recovery IE in GTPC echo message.

posted Apr 5, 2017 by Naren Nishad

+3 votes

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LTE: Why "Bearer TFT" IE is optional in CS Request but mandatory in CB Request message ?

posted Jan 15, 2017 by Ganesh

+4 votes

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LTE, 5G: What all can be achieved by segregating control and user plane from LTE SGW and PGW nodes ?

posted Jan 12, 2017 by Harshita

+3 votes

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LTE: Can a SGW initiate bearer release for an UE due to congestion or any other reason ?

posted Jan 10, 2017 by Harshita

+2 votes

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LTE: Why SGW includes ARP while sending downlink data notification to MME ?

posted Jan 6, 2017 by Harshita

+1 vote

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Why exactly SGW is needed in LTE?

posted Dec 24, 2016 by anonymous

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LTE: Is it possible MME gets changed but SGW does not change during the handover ?

posted Nov 8, 2016 by Harshita

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Is there any relation between MME pool area and SGW service area?On which factor a SGW is selected for a particular MME?

posted Oct 2, 2016 by Bhagyashree R

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Can two or more SGW be connected with each other in LTE-EPC

posted Sep 26, 2016 by anonymous

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What is transport level packet marking in UL and DL? This is one of the functions of SGW.

posted Sep 26, 2016 by Bhagyashree R

+2 votes

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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

+1 vote

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RESOURCES_LIMITATION failure code sent by SAE-GW on Rx?

posted Sep 16, 2015 by Tribhuwan

+3 votes

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How does a SGW come to know whether CS Request message is received as part of Attach procedure or Handover Procedure ?

posted Sep 7, 2015 by Harshita

+1 vote

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LTE : How does an MME select SGW for a new user and what things/terms are considered while selecting SGW ?

posted Sep 6, 2015 by Vikram Singh

+3 votes

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Is it necessary for SGW to support all features which are being supported by MME and PGW ?

posted Apr 1, 2015 by Harshita

+2 votes

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How a UE is identified on S11 during Downlink Data Notification?

posted Mar 27, 2015 by Srinivas Sambari

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why MME will query for PGW prior to SGW

posted Feb 9, 2015 by Srinivas Sambari

+4 votes

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What happen when SGW & MME gets changed while doing handover for an UE ?

posted Feb 1, 2015 by Harshita

+4 votes

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SGW behaviour after a Downlink data notification failure?

posted Jan 26, 2015 by anonymous

+2 votes

1 answer

Does lte support a SGW pool area similar to MME pool area ?

posted Dec 7, 2014 by Vikram Singh

+2 votes

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What are the Negative Test cases for GTPV2 tunnelling messages

posted Nov 17, 2014 by Naveen Yanamaddi

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Would SGW be shared between PLMNs ?

posted Jun 27, 2014 by Ganesh

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LTE, eGTP : Does the IP-sec sufficient to secure eGTP packets ?

posted Jun 26, 2014 by Ganesh

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LTE: When SGW does response with "Data Forwarding Not Supported" in Create Indirect Data Forwarding Response ?

posted Jun 18, 2014 by Ganesh

+2 votes

Sr.Software Development Engineer - LTE, EPC at Product Based Company

posted Jun 16, 2014 by Prashant Patel

+1 vote

1 answer

LTE: What does the significance of presence of "user location information" within the Create session request message ?

posted May 29, 2014 by Ganesh Kumar

+2 votes

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LTE: Why does Modify Bearer Request message send by MME to SGW as part of attach procedure ?

posted May 24, 2014 by Neeraj Mishra

+4 votes

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What should contain by END MARKER ?

posted Apr 24, 2014 by Rajni

+4 votes

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LTE: Can someone please share wireshark logs for successful handover with MME and SGW relocation ?

posted Apr 19, 2014 by Vimal Kumar Mishra

+4 votes

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How the always-on functionality works in LTE?

posted Mar 21, 2014 by Pankaj Deshmukh

+4 votes

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LTE: Why does "UE Time Zone IE" send from MME to PGW via SGW ?

posted Feb 23, 2014 by Ganesh Kumar

+4 votes

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When operator would like to configure S12 interface in place of S4 interface ?

posted Feb 22, 2014 by Harshita

+4 votes

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LTE: Does the bearer(s)/session(s) get deleted when CS fallback happen for an UE?

posted Jan 10, 2014 by Harshita

+4 votes

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LTE: When "stop paging indication" gets triggered by SGW towards SGSN/MME ?

posted Jan 8, 2014 by Harshita

+6 votes

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LTE: How trace session procedure works for lte core network ?

posted Jan 8, 2014 by Harshita

+3 votes

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LTE: Indirect data forwarding tunnel ?

posted Dec 7, 2013 by Neeraj Mishra

+3 votes

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Why EPC supports MME and S-GW pools?

posted Nov 30, 2013 by anonymous