成长值: 63730
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MPLS
► What is Multi-Protocol Label Switching (MPLS)?
► What is a label? What is the structure of the label?
► Where will the label be imposed in a packet?
► What is a Forwarding Equivalence Class (FEC)?
► What is an upstream label switch router (LSR)? What is a downstream LSR?
► Is R3 a Downstream LSR to R4 for 10.1.1.0/24?
► What do the terms incoming, outgoing, local, and remote mean when you refer tolabels?
► Can an LSR transmit/receive a native IP packet (non-MPLS) on an MPLS interface?
► Can an LSR receive/transmit a labeled packet on a non-MPLS interface?
► What platforms and Cisco IOSes support MPLS?
► Generic Routing Encapsulation (GRE) tunnel has an overhead of 24 bytes. How muchoverhead does an MPLS LSP tunnel have?
► How does the LSR know which is the top label, bottom label, and a middle label ofthe label stack?
► What is the range of label values? What label values are reserved? What do thereserved values signify?
► What protocol and port numbers do LDP and TDP use to distribute labels to LDP/TDPpeers?
► What restrictions exist for MPLS support on the Catalyst 6500 and 7600 OpticalServices Router (OSR)?
► Where can I find MPLS configuration samples?
► What options are available for load balancing MPLS packets?
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