Garry's Mod Dedicated Server Issue

well it took me forever to just get my server past the errors with addons and such but right when i think im all good i get this thing: A2C_PRINT from ************:27015 or :27014. i think i have identified the problem because i have 2 routers but turned one into a swich but im confused on why its not working, i fowered the ports on the router but not on the swich.

ok i think i found the problem with the A2C_PRINT from ipadress bad challenge thing but i still cant get it working because of the router and swich.


can anyone give me step-by-step instrucitons on how to set it up??