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Cisco Bug: CSCum50579 - BFD sessions flapping after upgrade from 9.53 to 9.7

Last Modified

Feb 04, 2014

Products (1)

  • Cisco Carrier Packet Transport (CPT) System

Known Affected Releases

9.70

Description (partial)

Symptom:
BFD sessions flapping after upgrade from 9.53 to 9.7

Conditions:
1.     All 12 nodes[2 GNE and 10 ENE] were at 9.53 in CTC mode and services,traffic were up.
2.    Upgraded 2GNE-8ENE-2ENE nodes and upgrade is successful
3.    Few BFD sessions are flapping after upgrade is done and partial traffic loss is seen in 2 PWs in one  direction.
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