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Cisco Bug: CSCur71842 - Most of EP entries disappeared after EP mobility

Last Modified

Mar 15, 2018

Products (1)

  • Cisco LAN Switch Software

Known Affected Releases

11.0(2h)

Description (partial)

Symptom:
After 6K hosts mobility,  most of EP entries disappeared and bounce entries were not created properly.
Before mobility, Leaf1 shows 12K EPs(IP and MAC for 6K hosts).
After mobility, Leaf1 shows only around 3.8K EPs.
Since bounce entries were not created for all EPs that moved from Leaf1 to Leaf2,
downstream traffic from Leaf4 to 6K hosts seemed to be dropped until Leaf4 learned all remote EPs through upsteam traffic data plane learning. (less than 8 seconds)

Conditions:
12K 12K EPs(IP and MAC for 6K hosts)
15K move frequency for EP retention policy for BD
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