Router HW1 exists in the carrier HW's network as an MPLSLSR router. The router receives a packet carrying a label, but the label entry does not exist in its LFIB. So how does the router handle that message?

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Reed G Porter · Accepted Answer

Router HW1 drops the message

Reed G Porter · Answer

Router HW1 strips off the label and looks for the FIB using the P destination address

Reed G Porter · Answer

Router HW1 uses LDP to create an LSP and creates a new path in LFIB for the label carried in the message

Reed G Porter · Answer

Router HW1 will forward the message with the default label

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