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A tag for the Label Distribution Protocol (LDP), a protocol in which routers capable of Multiprotocol Label Switching (MPLS) exchange label mapping information.

3 votes
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How are labels in LDP "Label Mapping Message" associated with IP prefix?

FEC Elements are addresses or prefixes which, when included in an FEC TLV as part of a Mapping Message, are mapped to the associated label. If you expand the FEC Element 1 section of your packet captu …
Jeff Wheeler's user avatar
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5 votes
Accepted

What is the difference between Targeted LDP and Directed LDP in MPLS?

Directed LDP is not a term that appears in the LDP specification (RFC 5036.) … Targeted LDP is for exchanging messages with a distant, non-adjacent peer. …
Jeff Wheeler's user avatar
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1 vote
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Secure MPLS configuration: Does TCP port 646 (LDP) need to be generally exposed?

Routers should be configured with a control plane filter to prevent undesired access to routing protocol listening ports, including LDP. …
Jeff Wheeler's user avatar
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