[sysctl options to optimize network]

99-sysctl.conf

net.ipv4.neigh.default.base_reachable_time_ms = 600000
net.ipv4.neigh.eth1.delay_first_probe_time = 1
net.ipv4.neigh.default.mcast_solicit = 20
net.ipv4.neigh.default.retrans_time_ms = 250
net.ipv4.conf.all.rp_filter=0
net.ipv4.conf.eth0.rp_filter=0
net.ipv4.conf.eth1.rp_filter=0
net.core.default_qdisc=cake
net.ipv4.tcp_congestion_control=bbr2

vm.swappiness = 0
net.ipv4.tcp_ecn = 2
net.ipv4.tcp_ecn_fallback = 1
net.core.rmem_max = 67108864
net.core.wmem_max = 67108864
net.core.rmem_default = 67108864
net.core.wmem_default = 67108864
net.core.somaxconn = 10000
net.ipv4.tcp_slow_start_after_idle=0
net.ipv4.tcp_notsent_lowat=16384
et.ipv4.ip_local_port_range = 10000 65000