Who can tell me how can it works?

Who can tell me why my configuration does not work.

I have two br342 worked in bridge mode, and connected two LAN together( there are two br342 with firmware version 8.80 and two yagi 1949 antnna, the distance is about 1.5 Km). Formerly they all worked fine enen in bad weather.But recently the two ...

I have a 3640 fastethernet problem, the interface always appeared to be disabled, when I enter 'no shutdown' at the interface configuration mode, it can not work. Below is some of the command display result I entered. Hope someone can help me to re...