Tuesday, September 28, 2021

Graceful Restart 101

In the Non-Stop Forwarding (NSF) article, I mentioned that the routers adjacent to the device using NSF have to play along to make the idea work. That capability is called Graceful Restart. Today we’ll explore its intricate details, be diplomatic, and leave the shortcomings and tradeoffs for the next blog post.

The Problem

Imagine an access (provider edge) router providing connectivity services to its clients and running a routing protocol with one or more upstream devices.

source https://blog.ipspace.net/2021/09/graceful-restart.html?utm_source=atom_feed

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