A while back I asked everyone to vote on what topic they wanted to see next, and by no surprise almost every voted for MPLS VRFs. When I started working on this, I decided to take a new approach to these posts, in my previous posts about JunOS Olives I provided ample screen shots and a video demonstrating fully functioning multicast. Today I am going to supply you with a Dynamips configuration file that you can run and follow along as we work within the topology. Here is a link to the file which includes 7 routers and a Frame Relay Switch (for simplicity I connected them all via Frame Relay). Basic MPLS is running over IS-IS on routers 3,4, and 5. All of the interfaces have been configured according to the following diagram. You will need a copy of IOS c3640-jk9o3s-mz.123-14.T7.bin or something for the 3640 that runs MPLS and VRF, check the Cisco Feature Navigator. You will also need to know a little something about Dynamips / Dynagen.
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