'''VT_WLAN''' service is available in approximately 90% of academic and administrative spaces across the Blacksburg campus. This wireless network is composed of unencrypted IEEE 802.11g access nodes. To limit access to faculty and staff, VT Communications Network Services uses a Cisco captive portal. They switched from Bluesocket during the summer of 2009. You have to register for [http://www.cns.vt.edu/html/wireless/wlan/registration.html Customer OnLine Access (COLA)] or in person at the Student Telecommunications Office to enable your account.