Cyberoam Deployment with only one switch

Below is the customer network:

internet--->L3--->All users using L3 as as gw

The customer is having only L3 and internet is being terminated on it and also all the users are connected to it. How to deploy the CR in this network. There are many solutions to this problem. But this is the one I like so sharing with you.

The simplest solution is to Terminate internet link directly on the Cyberoam. But I will explain you many situations where you will be forced to use this deployment.

Solution

     ----(L)CR(W)---

    |                          |

-------------------------------

|    3                        2    |  1     ------->internet

|              L3                  |

|    4   5    6     7            |

------------------------------

              users

The port 1 an Port 2 of the switch will be one single vlan lets say vlan 100.  Port 3,4,5,6,7  will be lets say in single vlan 20 and the users are connected to this port.

The users will be using default gw as the cyberoam LAN IP address which is connected to port A.

Other networks where you can use deployment:

There is only one L3 switch and you want to use CR in HA mode.