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cilium, docs: Add a note about KPR and nfs dependencies #27678

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Aug 24, 2023
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cilium, docs: Add a note about KPR and nfs dependencies #27678

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4 changes: 4 additions & 0 deletions Documentation/network/kubernetes/kubeproxy-free.rst
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Expand Up @@ -1590,6 +1590,10 @@ Limitations
which uses eBPF cgroup hooks to implement the service translation. Using it with libceph
deployments currently requires support for the getpeername(2) hook address translation in
eBPF, which is only available for kernels v5.8 and higher.
* In order to support nfs in the kernel with the socket-LB feature, ensure that
kernel commit ``0bdf399342c5 ("net: Avoid address overwrite in kernel_connect")``
is part of your underlying kernel. Linux kernels v6.6 and higher support it. Older
stable kernels are TBD. For a more detailed discussion see :gh-issue:`21541`.
* Cilium's DSR NodePort mode currently does not operate well in environments with
TCP Fast Open (TFO) enabled. It is recommended to switch to ``snat`` mode in this
situation.
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1 change: 1 addition & 0 deletions Documentation/spelling_wordlist.txt
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Expand Up @@ -495,6 +495,7 @@ networkpolicy
newproto
newprotoparser
nfp
nfs
nftables
nginx
nodePort
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