Scenario 4: Wholesaling With Gre; How It Works - Colubris Networks CN3000 Administrator's Manual

Chapter 4 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Scenarios - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Chapter 4

Scenario 4: Wholesaling with GRE

This scenario illustrates how to use GRE tunnels and multiple SSIDs to share an access
point between more than one wireless Internet service provider (WISP). This scenario
assumes that one WISP is the owner of a private broadband network and uses this
network to link one or more CN3000s installed at different locations. This WISP also
owns the CN3000s and is responsible for managing them. This WISP then leases out
use of the access points to other WISPs.

How it works

Each WISP provides their own NOC linked to the private broadband network. The
NOCs control customer logins to the public access network and granting access to the
Internet. The CN3000 is configured with three SSIDs for each WISP. The first is for
customers using HTML logins, the second is for customers who are using WPA, and the
third is for customers who are using 802.1x. Each SSID is mapped to a specific GRE
tunnel that terminates at the appropriate NOC.
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WISP #1
3 GRE Tunnels
WISP1_HTML
WISP1_8021x
WISP1_WPA
Customers of
WISP #1
WISP #2
NOC NOC
Private Broadband
Access Network
3 GRE Tunnels
WISP2_HTML
WISP2_8021x
WISP2_WPA
Customers of
WISP #2