Модуль для понижения пинга.
Создаём в папке addons папку booster, в неё копируем файл из архива, версия 1.70, booster_mm.dll.
В файл metamod/plugins.ini дописываем строчку:

 win32 addons/booster/booster_mm.dll


Настройки можно прописать в файле server.cfg, но я бы рекомендовал отделить их от основных. 
В server.cfg прописываем одну единственную строчку:

 exec booster.cfg


Создаём в папке cstrike файл booster.cfg, в него вписываем настройки:

// booster_show_connmsg x (0 = disabled, 1 = small message, 2 = large message) // Shows a console message to players with booster information when they connect. booster_show_connmsg 1 // booster_autofps x (x = 0 to 1000, 0 = no target FPS) // Automatically changes value of sys_ticrate to achieve and maintain the desired server FPS (if possible). // It is not recommended to target FPS greater than 200 or so. // Note that autofps adjusts sys_ticrate, which makes it incompatible with any booster_lite_mode other // than 3. Setting booster_autofps will force booster_lite_mode to 3. booster_autofps 1000 // booster_minsleepms x (x = 1 to 10, 10 = no change to multimedia timer) // This adjusts the multimedia system timer to trick HLDS into sleeping for less time. Note that // the lower the value set, the higher the CPU consumption will be for HLDS. Values lower than 3 // are not recommended, as they can cause massive CPU consumption and/or system instability. booster_minsleepms 1 // booster_force_systicrate x (x = 0 to 10000, 0 = let Booster2 manage the value itself (no force)) // Booster2 will force this sys_ticrate value. Note that using this option will set booster_autofps to 0 // and booster_lite_mode to 3, as these methods rely on a sys_ticrate value untouched by user settings. // You should avoid directly setting sys_ticrate in your server.cfg, as manually adjusted values can // cause problems with various parts of Booster2. booster_force_systicrate 10000 // booster_cpu_enabled x [0 to 2] (0 = off, 1 = on, 2 = report CPU only - don't actively manage CPU) // Booster2 can monitor CPU usage and adjust the multimedia timer to reduce load when necessary booster_cpu_enabled 1 // booster_cpu_spikemax x // If CPU management is enabled, number of times booster_cpu_spikelevel needs // to be exceeded in order for mmtimer to increase and CPU load to be reduced. booster_cpu_spikemax 1 // booster_cpu_spikelevel x [0 to 100] // If CPU management is enabled, level which CPU utilization needs to exceed // (booster_cpu_spikemax times) for mmtimer to increase and CPU load to be reduced. booster_cpu_spikelevel 95 // booster_cpu_floor x [0 to 100] // If CPU management is enabled, level which CPU utilization needs to stay under // (for booster_cpu_quiettime seconds) for mmtimer to decrease and FPS to increase. booster_cpu_floor 50 // booster_cpu_mminc x [1 to 10] // If CPU management is enabled, amount mmtimer will increment (Booster2 will also decrease // the mmtimer by 1 for every 5 minute period that booster_cpu_spikelevel is not exceeded. booster_cpu_mminc 2 // booster_cpu_quiettime // Seconds required without CPU spike exceeding booster_cpu_floor before // mmtimer value is decreased by 1. booster_cpu_quiettime 300 // booster_cpu_mmmin x [1 to 10] // If CPU management is enabled, Booster2 will never set the mmtimer below this value. booster_cpu_mmmin 3 // booster_cpu_mmmax x [1 to 10] // If CPU management is enabled, Booster2 will never set the mmtimer above this value. booster_cpu_mmmax 8 // booster_lite_mode x [0 to 3] // Controls how the Booster-Lite approach is implemented: // 0 - HLDS sleeps 10ms if no network packets are received. If HLDS // receives a packet, it stops sleeping. (this mode has been added // to provide backward compatibility with how BL v1.00 worked). // 1 - HLDS attempts to sleep 10ms. If a packet is received, // HLDS stops sleeping. Otherwise it attempts to sleep another 10ms. // 2 - HLDS attempts to sleep 50ms. If a packet is received, it stops sleeping. // 3 - HLDS will sleep the standard amount (this value turns this feature off). booster_lite_mode 1 // booster_lite_extra_sleep_frequency x // Forces HLDS server to sleep x milliseconds even if a packet is received. // This setting helps to lower CPU usage. booster_lite_extra_sleep_frequency 0