Cisco Cisco 4404 Wireless LAN Controller 技术参考
19
Deployment Guide: Cisco Guest Access Using the Cisco Wireless LAN Controller, Release 4.0
OL-11010-01
Web Authentication Process
Figure 17
Web Authentication Using the Mobility Anchor Controller Feature
Anchor Controller Selection
The anchor function on a controller includes tunnel termination, web authentication, and access control.
A Cisco 4400 series controller is the most cost effective controller that can be used as an Anchor
controller in the DMZ.
controller in the DMZ.
•
If the controller is used for guest access and tunnel termination functions only, a Cisco 4402 with
12 access point support is sufficient as it is not used to manage LWAPP access points in the network.
Additionally, the Cisco 4400 supports up to 2,500 simultaneous users and has a forwarding capacity
of 2 Gbps.
12 access point support is sufficient as it is not used to manage LWAPP access points in the network.
Additionally, the Cisco 4400 supports up to 2,500 simultaneous users and has a forwarding capacity
of 2 Gbps.
•
If your guest access network deployment requires more than 2 Gbps throughput, you can use a Cisco
4404 or Cisco WiSM as an Anchor controller.
4404 or Cisco WiSM as an Anchor controller.
–
A single Cisco 4400 series controller or Cisco Catalyst 3750G Integrated wireless LAN
controller can support EoIP tunnels from up to 40 other controllers.
controller can support EoIP tunnels from up to 40 other controllers.
–
A Cisco WiSM, which consists of two independent controllers, can support up to 80 EoIP
tunnels.
tunnels.
170418
Internet
Internet
routers
External
firewall
Internet
routers
Remote
building
building
Remote
building
building
SSID Client Default Gateway
= Guest
= Internal
= Internal
= Internal
= Internal
SSID: secure
SSID: guest
SSID: guest
SSID: secure
SSID: guest
SSID: guest
Internal
network
External DMZ
WLC
WLC
WLC
Tunnel to
Virtual Anchor
Virtual Anchor Controller
SSID: guest
RateLimit = 500Kbps
SSID: guest
RateLimit = 500Kbps
External Services
External DNS server
WEB Server
External DNS server
WEB Server