How Information Is Distributed

You now have a good understanding of what information is flooded, and when. You might not understand exactly how that information is used, but that's covered in Chapter 4. This section covers the nuts and bolts: How do you configure the IGP to flood? What do the packet formats look like? How are MPLS Traffic Engineering attributes added to the IGP?

MPLS Traffic Engineering in OSPF

You need to enter only two commands to enable flooding of MPLS Traffic Engineering info in OSPF, as shown in Example 3-13.

Example 3-13. Enabling MPLS TE in the OSPF Process
						router ospf 1
						mpls traffic-eng router-id Loopback0
						mpls traffic-eng area 0
					

mpls traffic-eng router-id Loopback0 sets the TE RID. This can be a different value than ...

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