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GTPv2 Message

Message type supported by the General Packet Radio Service (GPRS) Tunnelling Protocol, version 2.

• Create Session—When the SAEGW receives a Create Session request message from the MME, it creates the session. The SAEGW then sends a Create Session response to the MME with the L-TEID-C and L-TEID-U values for the session.

• Modify Bearer—When the SAEGW receives a Modify Bearer request message from the MME, it creates the dynamic pseudowire interface that receives the GTP-U encapsulated data packets from the UE by means of the eNodeB.

  When the dynamic pseudowire interface is created, the SAEGW sends a Modify Bearer response message to the MME.

• Delete Session—When the SAEGW receives a Delete Session request message from the MME to delete the default bearer for a subscriber, the SAEGW initiates a subscriber logout. When the logout completes, the SAEGW sends a Delete Session response to the MME.

• Delete Bearer—When the SAEGW receives a Delete Bearer request message from the MME or the eNodeB to delete a specific bearer context, the SAEGW deletes the specified context and sends a Delete Bearer response to the appropriate entity.

• Echo—The Echo request/response messages are path management messages. Some networks use them as a keepalive mechanism to determine whether the path to the SAEGW is still alive and available. The SAEGW does not originate any Echo requests, but it does send an Echo response to any Echo request that it receives.

Request Rcv

Number of requests received on the BNG.

Response Xmit

Number of response transmitted by the BNG.