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MPLS Fundamentals by Luc De Ghein - CCIE No. 1897

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Summary

The most important items to remember from this chapter are all the differences between an MPLS network that is running in Frame mode and an MPLS network that is running in Cell mode. An MPLS network with ATM LSRs has LDP functioning differently than in a Frame mode. The Control mode is usually ordered, the Label Advertisement mode is Downstream-on-Demand (DoD), and the Label Retention mode is conservative. Furthermore, each prefix has at least one MPLS label associated with it and leads to at least one LVC set up. Because the number of VCs can grow quite large, it is important to reduce the number of LVCs whenever possible. Possible techniques to reduce the number of prefixes and LVCs were provided in this chapter. They include using ...

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