# ============================================================
# RRPP 节点系统级网络优化（LXC / OpenVZ 容器版）
# 部署位置：/etc/sysctl.d/99-zz-rrpp-network.conf
# 容器差异：net.core.rmem_max / wmem_max / default_qdisc / netdev_max_backlog
#   缺失或只读；eth0 为 noqueue，qdisc/网卡 offload 不可设（由宿主机控制）。
#   net.ipv4.udp_rmem_min / udp_wmem_min 在部分容器内只读，若报错可忽略。
# ============================================================

net.ipv4.tcp_congestion_control = bbr
net.ipv4.tcp_mtu_probing = 1
net.ipv4.tcp_fastopen = 3
net.ipv4.tcp_slow_start_after_idle = 0
net.ipv4.tcp_tw_reuse = 2
net.ipv4.tcp_fin_timeout = 15
net.ipv4.tcp_keepalive_time = 300
net.ipv4.tcp_keepalive_intvl = 30
net.ipv4.tcp_keepalive_probes = 5
net.ipv4.ip_local_port_range = 10240 65000
net.core.somaxconn = 32768
net.ipv4.tcp_max_syn_backlog = 32768
net.ipv4.udp_rmem_min = 8192
net.ipv4.udp_wmem_min = 8192