lan servers are restricted to local clients(class c)[请求]

[yu123456]

i just got steam and 1.6 since 1.5 is goin' down
but whenever i try to enter a server,
it goes
lan server are restricted to local clients(class c)?
i have no idea what that means

 

[外出购物的小健]

服务器端的问题
要管理员解决才行

 

[yu123456]

but ALL of them are
only some that arent and they are super laggy