When reading through some Juniper articles I discovered this on the page about LACP:
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Note: On EX2300 and EX3400 switches, the LACP protocol must be configured with a periodic SLOW timer to prevent flaps during CPU intensive operations events such as routing engine switchover, interface flaps, and exhaustive data collection from the packet forwarding engine. |
Something to think about when rolling out those switches. I rolled them out with lacp fast. Didn’t hear complaints yet 🙂
https://www.juniper.net/documentation/en_US/junos/topics/concept/interfaces-lag-overview.html