How to configure dns server
IP Addressing: DNS Configuration Guide, Cisco IOS Release
WhatsApp messenger is a messaging utility which allows users to communicate via voice call, voice message, text message, and video call over WiFi or cellular data. What separates WhatsApp from other messenger utilities is that it uses your phone number to identify you and uses a minimal of bandwidth to send its communications.
Some time ago, I discussed how to turn one of the most popular – though somewhat outdated – routers into a wireless bridge and/or a wi-fi extender. The Linksys WRT54G ended up in tens of thousands homes and businesses (if not more), but with both wireless needs and wireless speeds increasing, many have moved on to more powerful devices.