Appendix
D
SoftGRE Support
In this chapter:
• Overview of SoftGRE Support
This appendix describes the SoftGRE support that the controller provides and the supported
deployment topology.
Overview of SoftGRE Support
There are numerous equipment vendors serving the service provider market today. Among these
vendors, the more prominent ones include Alcatel-Lucent (ALU), Ericsson, NSN, Huawei and
Cisco. Most of these vendors support different tunneling and mobility management protocols
at their packet gateways.
Since most (if not all) of these equipment vendors do not develop access points themselves,
they are publishing SoftGRE specifications to enable access point vendors (such as Ruckus
Wireless) to support SoftGRE on their devices.
Supported Deployment Scenario
The controller supports SoftGRE in the deployment scenario wherein the controller functions
purely as an AP controller. In this deployment topology, the controller only manages the Ruckus
Wireless APs and does not perform other functions. All control paths (RADIUS
Authentication/Accounting) and data paths (SoftGRE tunnel) terminate on the third party WLAN
gateway.
If 802.1x authentication is used, the RADIUS server will be outside of the SoftGRE tunnel. If
open, WISPr-based authentication is used, the portal or redirect function will be on the edge
router or northbound of the edge router. The controller does not play any role in the control and
data path functions (see Figure 255: The controller as a pure AP controller on page 435).
SmartCell Gateway 200/Virtual SmartZone High-Scale for Release 3.4.1 Administrator Guide
434
SoftGRE Support
Overview of SoftGRE Support
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