Title: Restart Signaling for Intermediate System to Intermediate System (IS-IS)
Author(s): M. Shand, L. Ginsberg.
Status: INFORMATIONAL
Date: Jul 2004
Length: 50023
This document describes a mechanism for a restarting router to signal to its neighbors that it is restarting, allowing them to reestablish their adjacencies without cycling through the down state, while still correctly initiating database synchronization.
This document additionally describes a mechanism for a restarting router to determine when it has achieved LSP database synchronization with its neighbors and a mechanism to optimize LSP database synchronization, while minimizing transient routing disruption when a router starts.
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