1. How do You attend the meetings?

2. IRP – Bridge to the World
Presenter: Srdjan Ciric

3. Lesson Objectives Understand concepts of IRP
Prerequisites needed to add IRP
Get familiar with process of Deploying the IRP

4. What is IRP? IRP - Internet Reverse Proxy
IRP is running on Esxi host as VM
Users can sign in and join meetings securely from the Internet without a VPN connection.

5. What is IRP? Types of Network Topology
1. Internal Internet Reverse Proxy Network Topology
2. Non-Split-Horizon Network Topology
3. Split-Horizon Network Topology

6. Why do we need IRP?

7. Why do we need IRP?
Allow external participants to use CWMS without being pushed to use VPN
The traffic coming in from the Internet will go to the Internet Reverse Proxy.
We want to have a tight control on the traffic that comes in and goes out of a network.

8. How does IRP works?
The internal virtual machines (Admin, and if applicable, Media and Web) are in the internal network, and the Internet Reverse Proxy is in the DMZ network.
HTTP Request reaches
IRP on port 443 and it is being redirected to internal admin server of CWMS on the ports 7001, 64001

9. What to do first?
Port Access in the External Firewall

10. What to do first?
Port Access in the Internal Firewall

11. What to do first?
Update your DNS server (that enables external lookup) with WebEx site URL and Public VIP address information.

12. How to add IRP to CWMS?

13. How to add IRP to CWMS?

14. How to add IRP to CWMS?

15. How to add IRP to CWMS?

16. How to add IRP to CWMS?

17. How to add IRP to CWMS?

18. How to add IRP to CWMS?

19. How to add IRP to CWMS?

20. How to add IRP to CWMS?

21. How to add IRP to CWMS?

22. How to troubleshoot?
Usually if you haven’t confirmed all prerequisites when adding IRP we get this error:
Possible issues with Firewall , need to make sure replies are coming back otherwise need to re-confirm Ports opened
Go to CLI of Admin node and run:
This is how the response should be