One AP is "serving" 20 users in channel 1. Bye adding an AP with the same channel, same location, will I be able to handle more users?

I need to give a single interface on a Cisco 6509 three IP-adresses. Is this possible? Here's why:I got three subnet routers(IBM 2210). They are all connected to another router(a IBM 8272). I am going to move the three routes from the 8272, away from...

I need to give a single interface on a Cisco 6509 three IP-adresses. Is this possible? Here's why:I got three subnet routers(IBM 2210). They are all connected to another router(a IBM 8272). I am going to move the three routes from the 8272, away fro...