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MPLS Fundamentals by Luc De Ghein - CCIE No. 1897

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Chapter 4

1. What is the fundamental purpose of LDP?
A1: Answer: The fundamental purpose of LDP is to distribute label bindings.
2. Name the four main functions that LDP takes care of.
A2: Answer: The four main functions that LDP takes care of include the following:

- The discovery of LSRs that are running LDP

- Session establishment and maintenance

- Advertising of label mappings

- Housekeeping by means of notification

3. How can you reduce the number of label bindings on an LSR?
A3: Answer: To reduce the number of label bindings on an LSR, you can either control the advertisement of label bindings via LDP in the outbound direction, or you can filter the incoming label bindings.
4. What problem does MPLS LDP-IGP synchronization solve?
A4: ...

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