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RouterOS slow learning BGP routes with Winbox open

After banging my head against a wall waiting for a RouterOS powered router to re-learn the 330,000 routes that currently make up the global routing table, I was surprised to find that seemingly Winbox slows the learning of BGP routes to a crawl. Closing Winbox allowed the router to process the entire global routing table in the normal minute or so, including passing through some complex filters.

It would seem that in RouterOS 4.x at least, the router is pushing details of all learned routes to any Winbox clients connected and slowing itself to a crawl in the process. I haven’t had a chance to verify if this affects all versions of RouterOS 4.x yet or test it on RouterOS 5.x

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