can't access my edimax wireless router config. When I type in the address, I go to google or sometimes to IE can not open the page...

This happened after I was trying to improve my securtiy by implementing MAC Address filtering and changing the SSIDS. When I changed the SSIDS, I got the connection problem and was not able to complete it.

The thing is my internet and network still works. I can access my router and connect to the internet without problems. Just can't open the config page. I already tried clearing my cache but its still the same.