is a 3c855,wanna to ask about,i've two router, one was d-link with ADSL,anther one was 3com 3c855 router without ADSL.i've used the 3com router act as a switch distributes to others pcs.cause wasted one port.isn't i reverse the way of switch the d-link router as bridge mode and connected it to 3com router, will it affect the internet speed?