doc: don't set calico_vxlan_mode_ipv6=vxlanAlways when kernel < 3.12 (k…

…ubernetes-sigs#9645) Signed-off-by: cyclinder [email protected] Signed-off-by: cyclinder [email protected]
ulagbulag · Mar 8, 2023 · f37ad87 · f37ad87
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diff --git a/docs/calico.md b/docs/calico.md
@@ -235,6 +235,8 @@ If you are running your cluster with the default calico settings and are upgradi
 * perform a manual migration to vxlan before upgrading kubespray (see migrating from IP in IP to VXLAN below)
 * pin the pre-2.19 settings in your ansible inventory (see IP in IP mode settings below)
 
+**Note:**: Vxlan in ipv6 only supported when kernel >= 3.12. So if your kernel version < 3.12, Please don't set `calico_vxlan_mode_ipv6: vxlanAlways`. More details see [#Issue 6877](https://github.com/projectcalico/calico/issues/6877).
+
 ### IP in IP mode
 
 To configure Ip in Ip mode you need to use the bird network backend.