Cisco Cisco Catalyst 6500 Series Wireless LAN Services Module (WLSM) Hoja De Datos
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APPLICATIONS AND DEPLOYMENT SCENARIOS
Enterprise Campus Environment
The Cisco Catalyst 6500 Series WLSM can be flexibly deployed anywhere in the network—from the wiring closet to the core, to the data center
to the WAN edge, or as a services switch. Figure 2 illustrates how the Cisco Catalyst 6500 Series WLSM can be deployed in an enterprise campus
environment.
Figure 2. Cisco Catalyst 6500 Series WLSM Enterprise Campus Deployment
In this example, the Cisco Catalyst 6500 Series WLSM can be deployed in the distribution layer or the data center; it does not have to be
deployed in the wiring closet. An autonomous access point can connect to any switch port on any subnet. Upstream switches or routers do
not have to be configured, and no specific VLAN assignment or trunks are required. Prior to actively passing traffic, the autonomous access
point can be authenticated as a trusted network device. Once the autonomous access point is registered and has received its configuration from
the CiscoWorks WLSE, fast secure roaming tunnels (FSRTs) are established between the autonomous access point and the Cisco Catalyst 6500
Series WLSM-equipped Cisco Catalyst 6500 Series switch. An FSRT is established for each service set identifier (SSID) of a given autonomous
access point.
Using this configuration, wireless LAN users are provided with fast secure roaming, both within and between subnets. No special client software
is required, which gives network administrators maximum flexibility on network access policies. Clients can be authenticated and placed in
mobility groups prior to accessing network resources. Wireless LAN client handoff between autonomous access points, including IEEE 802.1X
reauthentication and rekeying (if used), occurs in less than 50 ms—well below the ability of a user to detect a disruption on a voice call. The Cisco
Catalyst 6500 Series WLSM preserves the client IP address regardless of the access point association; any established VPNs or open connections
continue to function, even through a roam.