---
- name: 启用 BBR
  copy:
    dest: /etc/sysctl.d/bbr.conf
    content: |
      net.core.default_qdisc=fq
      net.ipv4.tcp_congestion_control=bbr
    mode: '0644'
    owner: root
    group: root
  notify: reload sysctl

- name: 应用 sysctl 配置
  command: sysctl --system
  changed_when: false