RFC 7311: The Accumulated IGP Metric Attribute for BGP

Routing protocols that have been designed to run within a single administrative domain (IGPs) generally do so by assigning a metric to each link and then…

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Outgoing relationships (1 related RFC)

Informative reference — RFC 2119: Key words for use in RFCs to Indicate Requirement Levels

Incoming relationships (1 related RFC)

Normatively referenced by — RFC 9871: BGP Color-Aware Routing (CAR)