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by phirephly
1089 days ago
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256 next hops isn't enough. Typical ASICs support 20,000 to 160,000 next hops FECs. Cisco tried caching routing decisions from non-line rate routing engines in the 90s, and the industry learned the lesson that it's a bad idea. Caching works until you overflow the cache for some reason, and then the box completely falls over as it thrashes. |
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