Chapter Review Questions
1. | What does the push operation do on a labeled packet? |
2. | Which Cisco IOS command do you use to see what the swapped label is and which labels are pushed onto a received packet for a certain prefix? |
3. | What does the outgoing label entry of “Aggregate” in the LFIB of a Cisco IOS LSR mean? |
4. | What label value signals the penultimate LSR to use penultimate hop popping (PHP)? |
5. | What are the value and the function of the Router Alert label? |
6. | Why does an LSR forward the ICMP message “time exceeded” along the LSP of the original packet with the TTL expiring instead of returning it directly? |
7. | Is using Path MTU Discovery a guarantee that there will be no MTU problems in the MPLS network? |
8. | Why is MTU or MRU such an important parameter ... |
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