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<p class="MsoNormal">In addition to the query asked by Vikash, When we connect our eNB(USRP210) to core, we get continue log for
<span style="background:yellow;mso-highlight:yellow">LTE_RRCConnectionReestablishmentRequest</span> and
<span style="background:yellow;mso-highlight:yellow">uplink failure timer timeout</span>.
<o:p></o:p></p>
<p class="MsoNormal">Can anyone suggest what’s the reason behind these errors?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">RRC] [FRAME 00507][eNB][MOD 00][RNTI 4bbc] LTE_RRCConnectionReestablishmentRequest without UE context, let's reject the UE<o:p></o:p></p>
<p class="MsoNormal">[RRC] [FRAME 00507][eNB][MOD 00][RNTI 4bbc] [RAPROC] Logical Channel DL-CCCH, Generating LTE_RRCConnectionReestablishmentReject (bytes 1)<o:p></o:p></p>
<p class="MsoNormal">[MAC] Removing UE 0 from Primary CC_id 0 (rnti 4bbc)<o:p></o:p></p>
<p class="MsoNormal">[RRC] [FRAME 00557][eNB][MOD 00][RNTI 411c] Decoding UL CCCH 0.0.0.0.0.0 (0x564f70e1a8c1)<o:p></o:p></p>
<p class="MsoNormal">[RRC] [FRAME 00557][eNB][MOD 00][RNTI 411c] LTE_RRCConnectionReestablishmentRequest cause reconfigurationFailure<o:p></o:p></p>
<p class="MsoNormal">[RRC] [FRAME 00557][eNB][MOD 00][RNTI 411c] LTE_RRCConnectionReestablishmentRequest without UE context, let's reject the UE<o:p></o:p></p>
<p class="MsoNormal">[RRC] [FRAME 00557][eNB][MOD 00][RNTI 411c] [RAPROC] Logical Channel DL-CCCH, Generating LTE_RRCConnectionReestablishmentReject (bytes 1)<o:p></o:p></p>
<p class="MsoNormal">[MAC] Removing UE 0 from Primary CC_id 0 (rnti 411c)<o:p></o:p></p>
<p class="MsoNormal">[RRC] [FRAME 00559][eNB][MOD 00][RNTI c84e] Decoding UL CCCH 0.0.0.0.0.0 (0x564f70e156c1)<o:p></o:p></p>
<p class="MsoNormal">[RRC] [FRAME 00559][eNB][MOD 00][RNTI c84e] LTE_RRCConnectionReestablishmentRequest cause reconfigurationFailure<o:p></o:p></p>
<p class="MsoNormal">[RRC] [FRAME 00559][eNB][MOD 00][RNTI c84e] LTE_RRCConnectionReestablishmentRequest without UE context, let's reject the UE<o:p></o:p></p>
<p class="MsoNormal">[RRC] [FRAME 00559][eNB][MOD 00][RNTI c84e] [RAPROC] Logical Channel DL-CCCH, Generating LTE_RRCConnectionReestablishmentReject (bytes 1)<o:p></o:p></p>
<p class="MsoNormal">[MAC] Removing UE 0 from Primary CC_id 0 (rnti c84e)<o:p></o:p></p>
<p class="MsoNormal">[RRC] Removing UE 8413 instance, because of uplink failure timer timeout<o:p></o:p></p>
<p class="MsoNormal">[RRC] [eNB 0] Removing UE RNTI 8413<o:p></o:p></p>
<p class="MsoNormal">[RRC] Put UE 8413 into freeList<o:p></o:p></p>
<p class="MsoNormal">[MAC] rrc_mac_remove_ue: UE 8413 not found<o:p></o:p></p>
<p class="MsoNormal">[RRC] [FRAME 00000][eNB][MOD 00][RNTI 8413] Removed UE context<o:p></o:p></p>
<p class="MsoNormal">[RRC] [release_UE_in_freeList] remove UE 8413 from freeList<o:p></o:p></p>
<p class="MsoNormal">[RRC] Removing UE 5ce6 instance, because of uplink failure timer timeout<o:p></o:p></p>
<p class="MsoNormal">[RRC] [eNB 0] Removing UE RNTI 5ce6<o:p></o:p></p>
<p class="MsoNormal">[RRC] Put UE 5ce6 into freeList<o:p></o:p></p>
<p class="MsoNormal">[MAC] rrc_mac_remove_ue: UE 5ce6 not found<o:p></o:p></p>
<p class="MsoNormal">[RRC] [FRAME 00000][eNB][MOD 00][RNTI 5ce6] Removed UE context<o:p></o:p></p>
<p class="MsoNormal">[RRC] [release_UE_in_freeList] remove UE 5ce6 from freeList<o:p></o:p></p>
<p class="MsoNormal">[RRC] [FRAME 00611][eNB][MOD 00][RNTI baef] Decoding UL CCCH 0.0.0.0.0.0 (0x564f70e0b1e1)<o:p></o:p></p>
<p class="MsoNormal">[RRC] [FRAME 00611][eNB][MOD 00][RNTI baef] LTE_RRCConnectionReestablishmentRequest cause reconfigurationFailure<o:p></o:p></p>
<p class="MsoNormal">[RRC] [FRAME 00611][eNB][MOD 00][RNTI baef] LTE_RRCConnectionReestablishmentRequest without UE context, let's reject the UE<o:p></o:p></p>
<p class="MsoNormal">[RRC] [FRAME 00611][eNB][MOD 00][RNTI baef] [RAPROC] Logical Channel DL-CCCH, Generating LTE_RRCConnectionReestablishmentReject (bytes 1)<o:p></o:p></p>
<p class="MsoNormal">[MAC] Removing UE 0 from Primary CC_id 0 (rnti baef)<o:p></o:p></p>
<p class="MsoNormal">[RRC] [FRAME 00629][eNB][MOD 00][RNTI 4750] Decoding UL CCCH 0.0.0.0.0.0 (0x564f70e1a8c1)<o:p></o:p></p>
<p class="MsoNormal">[RRC] [FRAME 00629][eNB][MOD 00][RNTI 4750] LTE_RRCConnectionReestablishmentRequest cause reconfigurationFailure<o:p></o:p></p>
<p class="MsoNormal">[RRC] [FRAME 00629][eNB][MOD 00][RNTI 4750] LTE_RRCConnectionReestablishmentRequest without UE context, let's reject the UE<o:p></o:p></p>
<p class="MsoNormal">[RRC] [FRAME 00629][eNB][MOD 00][RNTI 4750] [RAPROC] Logical Channel DL-CCCH, Generating LTE_RRCConnectionReestablishmentReject (bytes 1)<o:p></o:p></p>
<p class="MsoNormal">[MAC] Removing UE 0 from Primary CC_id 0 (rnti 4750)<o:p></o:p></p>
<p class="MsoNormal">[RRC] Removing UE 81f0 instance, because of uplink failure timer timeout<o:p></o:p></p>
<p class="MsoNormal">[RRC] [eNB 0] Removing UE RNTI 81f0<o:p></o:p></p>
<p class="MsoNormal">[RRC] Put UE 81f0 into freeList<o:p></o:p></p>
<p class="MsoNormal">[MAC] rrc_mac_remove_ue: UE 81f0 not found<o:p></o:p></p>
<p class="MsoNormal">[RRC] [FRAME 00000][eNB][MOD 00][RNTI 81f0] Removed UE context<o:p></o:p></p>
<p class="MsoNormal">[RRC] [release_UE_in_freeList] remove UE 81f0 from freeList<o:p></o:p></p>
<p class="MsoNormal">[RRC] [FRAME 00711][eNB][MOD 00][RNTI d37d] Decoding UL CCCH 0.0.0.0.0.0 (0x564f70e156c1)<o:p></o:p></p>
<p class="MsoNormal">[RRC] [FRAME 00711][eNB][MOD 00][RNTI d37d] LTE_RRCConnectionReestablishmentRequest cause reconfigurationFailure<o:p></o:p></p>
<p class="MsoNormal">[RRC] [FRAME 00711][eNB][MOD 00][RNTI d37d] LTE_RRCConnectionReestablishmentRequest without UE context, let's reject the UE<o:p></o:p></p>
<p class="MsoNormal">[RRC] [FRAME 00711][eNB][MOD 00][RNTI d37d] [RAPROC] Logical Channel DL-CCCH, Generating LTE_RRCConnectionReestablishmentReject (bytes 1)<o:p></o:p></p>
<p class="MsoNormal">[MAC] Removing UE 0 from Primary CC_id 0 (rnti d37d)<o:p></o:p></p>
<p class="MsoNormal">[RRC] Removing UE 6f7e instance, because of uplink failure timer timeout<o:p></o:p></p>
<p class="MsoNormal">[RRC] [eNB 0] Removing UE RNTI 6f7e<o:p></o:p></p>
<p class="MsoNormal">[RRC] Put UE 6f7e into freeList<o:p></o:p></p>
<p class="MsoNormal">[MAC] rrc_mac_remove_ue: UE 6f7e not found<o:p></o:p></p>
<p class="MsoNormal">[RRC] [FRAME 00000][eNB][MOD 00][RNTI 6f7e] Removed UE context<o:p></o:p></p>
<p class="MsoNormal">[RRC] [release_UE_in_freeList] remove UE 6f7e from freeList<o:p></o:p></p>
<p class="MsoNormal">[RRC] [FRAME 00739][eNB][MOD 00][RNTI 2ac7] Decoding UL CCCH 0.0.0.0.0.0 (0x564f70e0b1e1)<o:p></o:p></p>
<p class="MsoNormal">[RRC] [FRAME 00739][eNB][MOD 00][RNTI 2ac7] LTE_RRCConnectionReestablishmentRequest cause reconfigurationFailure<o:p></o:p></p>
<p class="MsoNormal">[RRC] [FRAME 00739][eNB][MOD 00][RNTI 2ac7] LTE_RRCConnectionReestablishmentRequest without UE context, let's reject the UE<o:p></o:p></p>
<p class="MsoNormal">[RRC] [FRAME 00739][eNB][MOD 00][RNTI 2ac7] [RAPROC] Logical Channel DL-CCCH, Generating LTE_RRCConnectionReestablishmentReject (bytes 1)<o:p></o:p></p>
<p class="MsoNormal">[MAC] Removing UE 0 from Primary CC_id 0 (rnti 2ac7)<o:p></o:p></p>
<p class="MsoNormal">[RRC] Removing UE c48f instance, because of uplink failure timer timeout<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Regards,<o:p></o:p></p>
<p class="MsoNormal">Surabhi<o:p></o:p></p>
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<p class="MsoNormal"><b>From:</b> openair5g-user-request@lists.eurecom.fr <openair5g-user-request@lists.eurecom.fr>
<b>On Behalf Of </b>Kumar Prasad, Vikash<br>
<b>Sent:</b> Friday, June 11, 2021 1:19 PM<br>
<b>To:</b> openair5g-user@lists.eurecom.fr; openstack-discuss@lists.openstack.org<br>
<b>Subject:</b> How to flush UE context from USRP B210<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Dear All,<o:p></o:p></p>
<p class="MsoNormal">I am using USRP B210 for my eNB. USRP B210 is storing the context of previous connected UEs, I want to flush<o:p></o:p></p>
<p class="MsoNormal">the UE context from USRP, could anyone suggest me how I can flush this previously connected UEs contexts?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks<o:p></o:p></p>
<p class="MsoNormal">Vikash kumar prasad<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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