Tag :: Resilient

This feature provides a mechanism to mark specific routes as resilient ECMP (RECMP) eligible using BGP RCF policies. A policy based mechanism provides a lot of flexibility in choosing the RECMP eligible routes using criteria such as:

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Routes covered by a resilient equal-cost multi-path (RECMP) prefix are types of routes that make use of hardware tables dedicated for equal-cost multi-path (ECMP) routing.

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Routes covered by a resilient equal-cost multi-path (RECMP) prefix are types of routes that make use of hardware tables dedicated for equal-cost multi-path (ECMP) routing. Resilient ECMP deduping is a new feature wherein the switch will reactively attempt to reduce the number of ECMP hardware table entries allocated by forcing routes that share the same set of next hops but point to different hardware table entries to point to the same hardware table entry when hardware resource utilization is high. Forcing RECMP routes to change the hardware table entry that they point to may potentially cause a traffic flow disruption for any existing flows going over that route. The deduping process will attempt to minimize the amount of potential traffic loss caused.

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