/SLASHPLAY
How to simulate lag in CS2
Type net_fakelag 100 in your game console to add 100 ms of fake lag; set net_fakelag 0 when you are done.
net_fakelag
Adds fake network lag in milliseconds, for testing how the game plays with a worse connection.
net_fakelag <ms> Examples
net_fakelag 100 Add 100 ms of lag.
net_fakelag 0 Remove the fake lag.
Arguments
msRequired- Extra lag in milliseconds.
What it does
Simulates extra latency on both incoming and outgoing packets. It is a testing tool; set it back to 0 when you are done.
The game's own description: Shortcut to set both FakePacketLag_Recv and FakePacketLag_Send net options
Run it on your server
On a SLASHPLAY server, type it in the Console tab of the server page; the reply shows right under it. A value set there lasts until the server restarts. To keep it, add the line to game/csgo/cfg/server.cfg. New to this? Start a CS2 server first.
Your own
CS2 server.
From $0.03 an hour, only while it runs. New accounts get 6 free tokens.