1
cat > /etc/sysctl.conf << 'EOF'
2
net.core.default_qdisc = fq
3
net.core.rmem_max = 67108848
4
net.core.wmem_max = 67108848
5
net.core.somaxconn = 4096
6
net.ipv4.tcp_max_syn_backlog = 4096
7
net.ipv4.tcp_congestion_control = bbr
8
net.ipv4.tcp_rmem = 16384 16777216 536870912
9
net.ipv4.tcp_wmem = 16384 16777216 536870912
10
net.ipv4.tcp_adv_win_scale = -2
11
net.ipv4.tcp_sack = 1
12
net.ipv4.tcp_timestamps = 1
13
kernel.panic = -1
14
vm.swappiness = 0
15
EOF
16

17
sysctl -p && sysctl --system

1
cat > /etc/sysctl.conf << 'EOF'
2
fs.file-max                     = 6815744
3
net.ipv4.tcp_max_syn_backlog    = 8192
4
net.core.somaxconn              = 8192
5
net.ipv4.tcp_tw_reuse           = 1
6
net.ipv4.tcp_abort_on_overflow  = 1
7
net.core.default_qdisc          = fq
8
net.ipv4.tcp_congestion_control = bbr
9
net.ipv4.tcp_no_metrics_save    = 1
10
net.ipv4.tcp_ecn                = 0
11
net.ipv4.tcp_frto               = 0
12
net.ipv4.tcp_mtu_probing        = 0
13
net.ipv4.tcp_rfc1337            = 1
14
net.ipv4.tcp_sack               = 1
15
net.ipv4.tcp_fack               = 1
16
net.ipv4.tcp_window_scaling     = 1
17
net.ipv4.tcp_adv_win_scale      = 2
18
net.ipv4.tcp_moderate_rcvbuf    = 1
19
net.ipv4.tcp_fin_timeout        = 30
20
net.ipv4.tcp_rmem               = 4096 87380 67108864
21
net.ipv4.tcp_wmem               = 4096 65536 67108864
22
net.core.rmem_max               = 67108864
23
net.core.wmem_max               = 67108864
24
net.ipv4.udp_rmem_min           = 8192
25
net.ipv4.udp_wmem_min           = 8192
26
net.ipv4.ip_local_port_range    = 1024 65535
27
net.ipv4.tcp_timestamps         = 1
28
net.ipv4.conf.all.rp_filter     = 0
29
net.ipv4.conf.default.rp_filter = 0
30
net.ipv4.ip_forward             = 1
31
net.ipv6.conf.all.forwarding    = 1
32
net.ipv6.conf.default.forwarding= 1
33
net.ipv4.conf.all.route_localnet= 1
34
EOF
35

36
sysctl -p && sysctl --system

1
cat > /etc/sysctl.conf << EOF
2
fs.file-max = 6815744
3
net.ipv4.tcp_no_metrics_save=1
4
net.ipv4.tcp_ecn=0
5
net.ipv4.tcp_frto=0
6
net.ipv4.tcp_mtu_probing=0
7
net.ipv4.tcp_rfc1337=0
8
net.ipv4.tcp_sack=1
9
net.ipv4.tcp_fack=1
10
net.ipv4.tcp_window_scaling=1
11
net.ipv4.tcp_adv_win_scale=1
12
net.ipv4.tcp_moderate_rcvbuf=1
13
net.core.rmem_max=33554432
14
net.core.wmem_max=33554432
15
net.ipv4.tcp_rmem=4096 87380 33554432
16
net.ipv4.tcp_wmem=4096 16384 33554432
17
net.ipv4.udp_rmem_min=8192
18
net.ipv4.udp_wmem_min=8192
19
net.ipv4.ip_forward=1
20
net.ipv4.conf.all.route_localnet=1
21
net.ipv4.conf.all.forwarding=1
22
net.ipv4.conf.default.forwarding=1
23
net.core.default_qdisc=fq
24
net.ipv4.tcp_congestion_control=bbr
25
net.ipv6.conf.all.forwarding=1
26
net.ipv6.conf.default.forwarding=1
27
EOF
28
sysctl -p && sysctl --system