46 lines
1.2 KiB
Text
46 lines
1.2 KiB
Text
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#!/bin/bash
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set -e
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echo "Allowing ipv6 forwarding via sysctl"
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sysctl net.ipv6.conf.default.forwarding=1
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sysctl net.ipv6.conf.all.forwarding=1
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echo "General sysctl tweaks"
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sysctl vm.swappiness=0
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sysctl vm.dirty_ratio=6
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sysctl vm.dirty_background_ratio=3
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# Default Socket Receive Buffer
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sysctl net.core.rmem_default=31457280
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# Maximum Socket Receive Buffer
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sysctl net.core.rmem_max=33554432
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# Default Socket Send Buffer
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sysctl net.core.wmem_default=31457280
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# Maximum Socket Send Buffer
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sysctl net.core.wmem_max=33554432
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# Increase number of incoming connections
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sysctl net.core.somaxconn=65535
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# Increase number of incoming connections backlog
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sysctl net.core.netdev_max_backlog=65536
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# Increase the maximum amount of option memory buffers
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sysctl net.core.optmem_max=25165824
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# Increase the maximum total buffer-space allocatable
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# This is measured in units of pages (4096 bytes)
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sysctl "net.ipv4.tcp_mem=786432 1048576 26777216"
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sysctl "net.ipv4.udp_mem=65536 131072 262144"
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# Increase the read-buffer space allocatable
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sysctl "net.ipv4.tcp_rmem=8192 87380 33554432"
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sysctl net.ipv4.udp_rmem_min=16384
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# Increase the write-buffer-space allocatable
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sysctl "net.ipv4.tcp_wmem=8192 65536 33554432"
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sysctl net.ipv4.udp_wmem_min=16384
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