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#!/usr/bin/lua
require 'luci.sys'
local sysctl = require 'gluon.sysctl'
function sysctl_set_if_lower(_key, _value)
local command = "sysctl " .. _key
if (tonumber(luci.sys.exec(command):match('%d+', 34)) or 128) < _value then
sysctl.set(_key, _value)
end
sysctl_set_if_lower('net.ipv4.neigh.default.gc_thresh1', 192)
sysctl_set_if_lower('net.ipv4.neigh.default.gc_thresh2', 640)
sysctl_set_if_lower('net.ipv4.neigh.default.gc_thresh3', 1280)
sysctl_set_if_lower('net.ipv6.neigh.default.gc_thresh1', 512)
sysctl_set_if_lower('net.ipv6.neigh.default.gc_thresh2', 1024)
sysctl_set_if_lower('net.ipv6.neigh.default.gc_thresh3', 1536)
os.execute('sync; sysctl -qp')