Ticket #16 - Repubished

I am reposting here Lab 16, which was published on ccieflyer.com. Next ticket, Ticket 17, which will be about IGP and EEM will be published on CCIEFlyer.com, then it will be republished here again.

Network diagram

IGP diagram

Lab file

This lab is using dynamips. Please follow the instructions found here about how to use the lab file.

Lab file

The problem:
• R1 is configured with redundant bidirectional connection between R3 and R4's Lo0. Its like multihome internet connection setup.
• R2 is the preferred path between R3 and R4.
• R1 is using NAT to allow connectivity, exposing R3 as and 
• R3 can't reach R4 and vice versa.
• Fix the problem without changing configuration on R2,R4 and R5. Keep the solution redundant.
• Use telnet to check connectivity. You are allowed to configure one static route.

For the solution Click here

For more mini labs, have a look at the mini labs page.

Also have a look at the complete troubleshooting workbook.

Ticket #16

Ticket #16 is published under the CCIE Flyer. Click here for direct link.