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What do the terms incoming, outgoing, local, and remote mean when referring to labels?

April 26, 2017incoming labels local mean outgoing referring remote terms

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What do the terms incoming, outgoing, local, and remote mean when referring to labels?

2 Answers

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A. Consider R2 and R3 in this topology. R2 distributes a label L for FEC F to R3. R3 uses label L when it forwards data to FEC-F (because R2 is his downstream LSR for FEC-F). In this scenario: mpls-terms.jpg • L is the incoming label for F on R2. • L is the outgoing label for FEC-F on R3. • L is the local binding for FEC F on R2. • L is the remote binding for FEC-F on R3.

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A. Consider R2 and R3 in this topology. R2 distributes a label L for FEC F to R3. R3 uses label L when it forwards data to FEC-F (because R2 is his downstream LSR for FEC-F). In this scenario: • L is the incoming label for F on R2. • L is the outgoing label for FEC-F on R3. • L is the local binding for FEC F on R2. • L is the remote binding for FEC-F on R3.