The popularity of wireless L A N s ( W L A N s) has created new challenges for today' s networking professionals. These individuals must respond to the growing demand for enterprise W L A N s from end users who have embraced the freed om and flexibility of wireless connectivity, and from business executives who recognize the competitive advantages of business critical mobile applications. Many organizations are finding that they can no longer choose not to deploy W L A N s. They need to make better use of their resources by delivering secure access to business critical information instantly, in several locations, and to numerous users. Organizations are deploying W L A N s to enable increased employee productivity, better inform employees, improve employee responsiveness to customers, and enhance employee collaboration.
Networking professionals responding to the growing demand for W L A N s are finding that W L A N s must b e integrated into existing wired networks and must scale to support large numb er of users located in campuses and remote sites spread over great distances. Organizations are demanding a highly available medium that meets the expectations of enterprise users that are accustomed to the high av availability of wired networks. In an era of tight bud gets, enterprise network managers need to deliver enterprise-class mobile computing applications across many locations with solid network security, mobility, and control, while achieving the lowest total cost of ownership(T C O). The Cisco ISR is capable of integrating a W L A N card into the chassis. With this facility, an organizations’ staff can conveniently and securely access their network and mission critical information/application from anywhere within the office vicinity.