Chapter 6 Review Questions & Answers
| 1: | What transport mechanism is used for neighbor discovery between directly connected LDP peers? |
| A1: | Answer: The all routers multicast address (UDP 224.0.0.2) is used. |
| 2: | What is the LIB? |
| A2: | Answer: The Label Information Base (LIB) contains all bindings. This includes all local label bindings and all label bindings received from peer LSRs (assuming liberal label retention). |
| 3: | What is the LFIB? |
| A3: | Answer: The LFIB is the Label Forwarding Information Base. The LFIB stores only those label bindings used for forwarding. |
| 4: | What is a VRF? |
| A4: | Answer: A VPN Routing and Forwarding instance. |
| 5: | How are overlapping customer address spaces disambiguated in the MPLS VPN backbone? |
| A5: | Answer: A Route Distinguisher (RD) is used ... |
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