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Cisco Bug: CSCvv62246 - J2N: CFM Down Mep sessions flapping on scaling up UP MEP to 2k sessions

Last Modified

Oct 04, 2020

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases


Description (partial)

Existing CFM down mep sessions starts to flap when 2k UP MEP sessions configured with 3.3ms/10ms timers

Have 1k or 2k UP MEP sessions with 3.3 ms or 10ms timers. then configure a few down mep sessions, they start to flap.

the issue of down mep flapping  is seen with when the UP MEP sessions are configured with 3.3ms or 10ms and not seen with 100ms timer.

Problem is reproducible everytime.
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