Wednesday, September 29, 2021

Watch Out: ISR Performance License

Bill Dagy sent me an annoying ISR gotcha. In his own words:

Since you have a large audience I thought I would throw this out here. Maybe it will help someone avoid spending 80 man hours troubleshooting network slowdowns.

Here’s the root cause of that behavior:

Cisco is now shipping routers that have some specified maximum throughput, but you have to buy a “boost license” to run them unthrottled. Maybe everyone already knew this but it sure took us by surprise.

Don’t believe it? Here’s a snapshot from Cisco 4000 Family Integrated Services Router Data Sheet:



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

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