add minimum kernel version for ebpf traffic redirection

Signed-off-by: Addo.Zhang <[email protected]>
flomesh-io · Mar 8, 2024 · e0114dd · e0114dd
1 parent 2a42010
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diff --git a/content/en/guides/traffic_management/traffic_redirection/ebpf_redirection.md b/content/en/guides/traffic_management/traffic_redirection/ebpf_redirection.md
@@ -7,6 +7,8 @@ weight: 2
 
 FSM comes with eBPF functionality and provides users an options to use eBPF over default iptables.
 
+> The minimum kernel version is 5.4.
+
 This guide shows how to start using this new functionality and enjoy the benefits eBPF. If you want to directly jump into quick start, refer to [eBPF setup quickstart guide](/quickstart/ebpf)
 
 > For more details of comparison between iptables and eBPF, you can refer to [Traffic Redirection](/guides/traffic_management/traffic_redirection/).

diff --git a/content/en/quickstart/ebpf.md b/content/en/quickstart/ebpf.md
@@ -12,7 +12,7 @@ For more details refer to [Learn how to use eBPF with FSM](/guides/traffic_manag
 ## Prerequisites
 
 - Ubuntu 20.04
-- Kernel 5.15.0-1034
+- Kernel 5.15.0-1034 (5.4 or higher)
 - 2c4g VM * 3：master、node1、node2
 
 ### Install CNI Plugin