Required Kernel Versions for Advanced Features
Cilium requires Linux kernel 4.9.17 or higher; however, development on additional kernel features continues to progress in the Linux community. Some of Cilium’s features are dependent on newer kernel versions and are thus enabled by upgrading to more recent kernel versions as detailed below.
| Cilium Feature | Minimum Kernel Version |
| IPv4 fragment handling | >= 4.10 |
| Restrictions on unique prefix lengths for CIDR policy rules | >= 4.11 |
| IPsec Transparent Encryption in tunneling mode | >= 4.19 |
| WireGuard Transparent Encryption | >= 5.6 |
| Host-Reachable Services | >= 4.19.57, >= 5.1.16, >= 5.2 |
| Kubernetes Without kube-proxy | >= 4.19.57, >= 5.1.16, >= 5.2 |
| Bandwidth Manager (beta) | >= 5.1 |
| Local Redirect Policy (beta) | >= 4.19.57, >= 5.1.16, >= 5.2 |
| Full support for Session Affinity | >= 5.7 |
| BPF-based proxy redirection | >= 5.7 |
| BPF-based host routing | >= 5.10 |
| Socket-level LB bypass in pod netns | >= 5.7 |
| Egress Gateway (beta) | >= 5.2 |
文档更新时间: 2022-02-24 14:18 作者：张尚
