-List of known issues in |csit-release| for VPP performance tests:
-
-+----+-----------------------------------------+---------------------------------------------------------------------------------------------------------------------------------+
-| # | JiraID | Issue Description |
-+====+=========================================+=================================================================================================================================+
-| 1 | `CSIT-570 | Sporadic (1 in 200) NDR discovery test failures on x520. DPDK reporting rx-errors, indicating L1 issue. |
-| | <https://jira.fd.io/browse/CSIT-570>`_ | Suspected issue with HW combination of X710-X520 in LF testbeds. Not observed outside of LF testbeds. |
-+----+-----------------------------------------+---------------------------------------------------------------------------------------------------------------------------------+
-| 2 | `VPP-1563 | AVF L2patch tests are failing for all packet size and core combination. Reason: null-node blackholed packets in show error. |
-| | <https://jira.fd.io/browse/VPP-1563>`_ | |
-+----+-----------------------------------------+---------------------------------------------------------------------------------------------------------------------------------+
-| 3 | `CSIT-1234 | VPP IPSecHW/IPSecsW scale interface mode, low NDR and PDR 64B throughput in 3n-hsw testbeds, in CSIT-19.01 vs. CSIT-18.10. |
-| | <https://jira.fd.io/browse/CSIT-1234>`_ | |
-+----+-----------------------------------------+---------------------------------------------------------------------------------------------------------------------------------+
-| 4 | `CSIT-1431 | AVF 4 cores tests are sporadically failing. Under investigation. |
-| | <https://jira.fd.io/browse/CSIT-1431>`_ | |
-+----+-----------------------------------------+---------------------------------------------------------------------------------------------------------------------------------+
-| 5 | `CSIT-1465 | 4c VPP VM vhost tests failing on 3n-skx. Under investigation. |
-| | <https://jira.fd.io/browse/CSIT-1465>`_ | |
-+----+-----------------------------------------+---------------------------------------------------------------------------------------------------------------------------------+
-| 6 | `CSIT-1466 | IPSecHW scale tests failing due to VPP reset. Under investigation. |
-| | <https://jira.fd.io/browse/CSIT-1466>`_ | |
-+----+-----------------------------------------+---------------------------------------------------------------------------------------------------------------------------------+
+New
+___
+
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| # | JiraID | Issue Description |
++====+=========================================+===========================================================================================================+
+| 1 | `CSIT-1850 | 2n-dnv: sporadic 1518B tput tests failing to establish required sessions. |
+| | <https://jira.fd.io/browse/CSIT-1850>`_ | |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| 2 | `CSIT-1864 | 2n-clx: half of the packets lost on PDR tests. |
+| | <https://jira.fd.io/browse/CSIT-1864>`_ | |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| 3 | `CSIT-1868 | 2n-clx: ALL ldpreload-nginx tests fails when trying to start nginx. |
+| | <https://jira.fd.io/browse/CSIT-1868>`_ | |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| 4 | `CSIT-1871 | 3n-snr: 25GE interface between SUT and TG/TRex goes down randomly. |
+| | <https://jira.fd.io/browse/CSIT-1871>`_ | |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| 5 | `CSIT-1877 | 3n-alt, 3n-tsh: VM tests failing to boot VM. |
+| | <https://jira.fd.io/browse/CSIT-1877>`_ | |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| 6 | `CSIT-1883 | 3n-snr: All hwasync wireguard tests failing when trying to verify device. |
+| | <https://jira.fd.io/browse/CSIT-1883>`_ | |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| 7 | `CSIT-1884 | 2n-clx, 2n-icx: All NAT44DET NDR PDR IMIX over 1M sessions BIDIR tests failing to create enough sessions. |
+| | <https://jira.fd.io/browse/CSIT-1884>`_ | |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| 8 | `CSIT-1885 | 3n-icx: 9000b ip4 ip6 l2 NDRPDR AVF tests are failing to forward traffic. |
+| | <https://jira.fd.io/browse/CSIT-1885>`_ | |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| 9 | `CSIT-1886 | 3n-icx: Wireguard tests with 100 and more tunnels are failing PDR criteria. |
+| | <https://jira.fd.io/browse/CSIT-1886>`_ | |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+
+Previous
+________
+
+Issues reported in previous releases which still affect the current results.
+
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| # | JiraID | Issue Description |
++====+=========================================+===========================================================================================================+
+| 1 | `CSIT-1671 | All CSIT scale tests can not use PAPI due to much slower performance compared to VAT/CLI (it takes much |
+| | <https://jira.fd.io/browse/CSIT-1671>`_ | longer to program VPP). This needs to be addressed on the PAPI side. |
+| +-----------------------------------------+ Currently, the time critical code uses VAT running large files with exec statements and CLI commands. |
+| | `VPP-1763 | Still, we needed to reduce the number of scale tests run to keep overall duration reasonable. |
+| | <https://jira.fd.io/browse/VPP-1763>`_ | More improvements needed to achieve sufficient configuration speed. |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| 2 | `CSIT-1782 | Multicore AVF tests are failing when trying to create interface. |
+| | <https://jira.fd.io/browse/CSIT-1782>`_ | Frequency is reduced by CSIT workaround, but occasional failures do still happen. |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| 3 | `CSIT-1785 | NAT44ED tests failing to establish all TCP sessions. |
+| | <https://jira.fd.io/browse/CSIT-1785>`_ | At least for max scale, in allotted time (limited by session 500s timeout) due to worse |
+| +-----------------------------------------+ slow path performance than previously measured and calibrated for. |
+| | `VPP-1972 | CSIT removed the max scale NAT tests to avoid this issue. |
+| | <https://jira.fd.io/browse/VPP-1972>`_ | |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| 4 | `CSIT-1799 | All NAT44-ED 16M sessions CPS scale tests fail while setting NAT44 address range. |
+| | <https://jira.fd.io/browse/CSIT-1799>`_ | |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| 5 | `CSIT-1800 | All Geneve L3 mode scale tests (1024 tunnels) are failing. |
+| | <https://jira.fd.io/browse/CSIT-1800>`_ | |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| 6 | `CSIT-1801 | 9000B payload frames not forwarded over tunnels due to violating supported Max Frame Size (VxLAN, LISP, |
+| | <https://jira.fd.io/browse/CSIT-1801>`_ | SRv6). |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| 7 | `CSIT-1802 | AF-XDP - NDR tests failing from time to time. |
+| | <https://jira.fd.io/browse/CSIT-1802>`_ | |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| 8 | `CSIT-1804 | All testbeds: NDR tests failing from time to time. |
+| | <https://jira.fd.io/browse/CSIT-1804>`_ | |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| 9 | `CSIT-1808 | All tests with 9000B payload frames not forwarded over memif interfaces. |
+| | <https://jira.fd.io/browse/CSIT-1808>`_ | |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| 10 | `CSIT-1827 | 3n-icx, 3n-skx: all AVF crypto tests sporadically fail. 1518B with no traffic, IMIX with excessive |
+| | <https://jira.fd.io/browse/CSIT-1827>`_ | packet loss. |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| 11 | `CSIT-1835 | 3n-icx: QUIC vppecho BPS tests failing on timeout when checking hoststack finished. |
+| | <https://jira.fd.io/browse/CSIT-1835>`_ | |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| 12 | `CSIT-1849 | 2n-skx, 2n-clx, 2n-icx: UDP 16m TPUT tests fail to create all sessions. |
+| | <https://jira.fd.io/browse/CSIT-1849>`_ | |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+
+Fixed
+_____
+
+Issues reported in previous releases which were fixed in this release:
+
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| # | JiraID | Issue Description |
++====+=========================================+===========================================================================================================+
+| 1 | `CSIT-1834 | 2n-icx, 2n-skx: sporadic AVF soak tests failing to find critical load with PLRsearch. |
+| | <https://jira.fd.io/browse/CSIT-1834>`_ | |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| 2 | `CSIT-1846 | 2n-skx, 2n-clx, 2n-icx: ALL 1518B TCP tput tests failing with big packet loss. |
+| | <https://jira.fd.io/browse/CSIT-1846>`_ | |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| 3 | `CSIT-1851 | trending regression: various icelake tests around 2202-04-15 |
+| | <https://jira.fd.io/browse/CSIT-1851>`_ | Somewhat expected consequence of a VPP usability fix, |
+| | | the previous VPP compiler version was too new for the OS used. |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+
+.. _vpp_rca:
+
+Root Cause Analysis for Performance Changes
+-------------------------------------------
+
+List of RCAs in |csit-release| for VPP performance changes:
+
++----+-----------------------------------------+-------------------------------------------------------------------------------------+
+| # | JiraID | Issue Description |
++====+=========================================+=====================================================================================+
+| 1 | `VPP-2030 | regression: ip6base on ICX around 2022-03-23 |
+| | <https://jira.fd.io/browse/VPP-2030>`_ | "Loads blocked due to overlapping with a preceding store that cannot be forwarded." |
+| | | started happening in ip6-lookup graph node. |
++----+-----------------------------------------+-------------------------------------------------------------------------------------+
+| 2 | `CSIT-1852 | 2n-zn2 mellanox performance cap |
+| | <https://jira.fd.io/browse/CSIT-1852>`_ | Old issue, only now distinguished from CSIT-1751. |
+| | | This testbed+nic combination is capped below 28 Mpps, cause not identified yet. |
++----+-----------------------------------------+-------------------------------------------------------------------------------------+
+| 3 | `CSIT-1853 | trending regression: nat44ed cps around 2202-04-01 |
+| | <https://jira.fd.io/browse/CSIT-1853>`_ | VPP change added more computation to slow path (in order to support multiple VRFs). |
+| | | Not clear if the VPP implementation is optimized enough. |
++----+-----------------------------------------+-------------------------------------------------------------------------------------+