TWiki> CMS Web>WebPreferences>FacilitiesServices>IPv6Status4Sites (2022-11-28, StephanLammel) EditAttachPDF

Facilities & Services, IPv6

This page contains information on IPv6 deployment at CMS.

IPv6 Information

  • IPv6 Introduction
  • Stateless address auto-configuration, SLAAC, is enabled by default on Scientific Linux. If you use a static IPv6 address, you probably want to turn this off to avoid multiple addresses for your machine.
  • dCache versions 2.13 and higher support IPv6 out of the box
  • HEPiX IPv6 Working Group deployment documentation
  • WLCG IPv6 Task Force twiki
  • gfal2-util need IPv6 explicitly enabled, /etc/gfal2.d/gsiftp_plugin.conf line 26: "IPV6=true"
  • WLCG is planning to become IPv6-only, not dual stack
  • xrootd v3 is IPv4 only (used in very old CMSSW versions)

IPv6 Storage Status of Sites

Storage needs to become IPv6 accessible, i.e. SRM/gridftp and xrootd endpoints accessible from IPv6-only hosts.

Sites status for IPv6 connectivity

Site name Disk Space   SRM/GridFTP                 xRootd                         Comment                        
T1_DE_KIT 5140 TBok, tested 2018-Oct-26ok, tested 2018-Oct-26  
T1_ES_PIC 2499 TBok, tested 2018-Feb-20ok, tested 2018-Feb-20  
T1_IT_CNAF 5880 TBok, tested 2018-Apr-23ok, tested 2018-Apr-23  
T1_FR_CCIN2P3 510 TBok, tested 2017-Sep-28ok, tested 2017-Sep-28  
T1_RU_JINR 3900 TBok, tested 2017-Sep-28ok, tested 2017-Sep-28  
T1_UK_RAL 4304 TBok, tested 2018-Jul-05ok, tested 2019-Feb-15 only ECHO endpoints tested/checked
T1_US_FNAL 19600 TBok, tested 2019-Oct-08ok, tested 2019-Oct-08 only disk endpoint tested/checked
T2_AT_Vienna 500 TB decommissionedok, tested 2022-Sep-19  
T2_BE_IIHE ~2100 TBok, tested 2017-Oct-20ok, tested 2017-Oct-20  
T2_BE_UCL ~900 TBok, tested 2018-Nov-20ok, tested 2018-Nov-20  
T2_BR_SPRACE 1450 TBok, tested 2018-Jan-23ok, tested 2018-Jan-23  
T2_BR_UERJ 700 TBok, tested 2021-Apr-09ok, tested 2021-Apr-09  
T2_CH_CSCS 1400 TBok, tested 2018-Dec-19ok, tested 2018-Dec-19  
T2_CN_Beijing 540 TBok, tested 2017-Sep-28ok, tested 2017-Sep-28  
T2_DE_DESY ? TBok, tested 2018-May-14ok, tested 2018-May-14  
T2_DE_RWTH 1000 TBok, tested 2018-May-18ok, tested 2018-May-18  
T2_EE_Estonia 1200 TBok, tested 2018-Mar-08ok, tested 2018-Mar-08  
T2_ES_IFCA 1800 TBok, tested 2018-Mar-22ok, tested 2018-Mar-22  
T2_ES_CIEMAT 1000 TBok, tested 2019-Mar-01ok, tested 2019-Mar-01  
T2_FI_HIP 1045 TBok, tested 2017-Oct-19ok, tested 2017-Oct-19  
T2_FR_CCIN2P3 3600 TBok, tested 2017-Sep-29ok, tested 2017-Sep-29  
T2_FR_GRIF_IRFU 1041 TBok, tested 2018-Jul-05ok, tested 2018-Jul-05  
T2_FR_GRIF_LLR 1193 TBok, tested 2017-Sep-29ok, tested 2017-Sep-29  
T2_FR_IPHC 1200 TBok, tested 2019-Sep-27ok, tested 2019-Sep-27  
T2_GR_Ioannina 200 TBok, tested 2018-Mar-22ok, tested 2018-Mar-22  
T2_HU_Budapest 580 TBok, tested 2017-Dec-19ok, tested 2017-Dec-19  
T2_IN_TIFR 2000 TBok, tested 2019-Jul-24ok, tested 2019-Jul-24  
T2_IT_Bari ??? TBok, tested 2018-Jun-29ok, tested 2018-Jun-29  
T2_IT_Legnaro ??? TBok, tested 2018-Dec-03ok, tested 2018-Dec-03  
T2_IT_Pisa 9271 TBok, tested 2020-Apr-29ok, tested 2020-Apr-29  
T2_IT_Rome 600 TBok, tested 2020-May-07ok, tested 2020-May-07  
T2_KR_KISTI 800 TBok, tested 2019-Jan-11ok, tested 2019-Jan-11  
T2_PK_NCP 330 TBok, tested 2018-Jan-30ok, tested 2018-Jan-30  
T2_PL_Warsaw 370 TBok, tested 2018-Apr-11ok, tested 2018-Apr-11  
T2_PT_NCG_Lisbon 200 TBok, tested 2021-May-10ok, tested 2021-May-21  
T2_RU_IHEP 2473 TBok, tested 2019-Feb-12ok, tested 2019-Feb-12  
T2_RU_INR 272.6 TBok, tested 2019-Sep-27ok, tested 2019-Sep-27  
T2_RU_ITEP 5.5 TBok, tested 2019-Apr-22ok, tested 2019-Apr-22  
T2_RU_JINR 1030 TBok, tested 2018-Jan-15ok, tested 2018-Jan-15  
T2_TR_METU 550 TBok, tested 2018-Dec-03ok, tested 2018-Dec-03  
T2_UA_KIPT 650 TBok, tested 2018-Feb-01ok, tested 2018-Feb-01  
T2_UK_London_Brunel ~450 TBok, tested 2017-Sep-28ok, tested 2017-Sep-28  
T2_UK_London_IC ~1240 TBok, tested 2017-Sep-28ok, tested 2017-Sep-28  
T2_UK_SGrid_Bristol 112 TBok, tested 2018-Dec-13ok, tested 2018-Dec-13  
T2_UK_SGrid_RALPP ~2960 TBok, tested 2018-Dec-13ok, tested 2018-Dec-13  
T2_US_Caltech 1900 TBok, tested 2019-Mar-01ok, tested 2019-Mar-01  
T2_US_Florida 1900 TBok, tested 2018-May-09ok, tested 2018-May-09  
T2_US_Nebraska 1900 TBok, tested 2017-Sep-28ok, tested 2017-Sep-28  
T2_US_Purdue 1900 TBok, tested 2017-Sep-28ok, tested 2017-Sep-28  
T2_US_UCSD 1900 TBok, tested 2017-Nov-16ok, tested 2017-Nov-16  
T2_US_Vanderbilt 4100 TBok, tested 2018-Oct-22 ok, tested 2022-Mar-14  
T2_US_Wisconsin 1900 TBok, tested 2017-Sep-29ok, tested 2017-Sep-29  
Site name Disk Space SRM/GridFTP xRootd Comment
T2_TW_NCHC 350 TBNetwork unreachablelow transfer speed Chun-Yu informed, GGUS:156427
T2_PL_Swierk 600 TBno IPv6 addressno IPv6 address working on security aspects with external ISP, GGUS:138521
T2_US_MIT 1900 TBno IPv6 addressno IPv6 address Expect campus IPv6 support during 2020, GGUS:156428

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Topic revision: r107 - 2022-11-28 - StephanLammel
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