Description

LACP logical interface flap if RE switchover on ex4100 VC.

- Events like routing engine switchover, interface flaps, and exhaustive data collection from the packet forwarding engine.

- External event causing CPU load

Symptoms

LACP interface flap.

- Events like routing engine switchover, interface flaps, and exhaustive data collection from the packet forwarding engine.

- External event causing CPU load

Solution

-Configure LACP in periodic SLOW mode.

-On EX4100 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.

Modification History

2024-04-12 : Article Created

2026-10-01 : Updated and Externalized

Related Information

https://prsearch.juniper.net/problemreport/PR1656121