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Cisco Bug: CSCvv21713 - IE3400 REP/HRSP redundancy broke

Last Modified

Aug 07, 2020

Products (1)

  • Cisco Catalyst 3900 Software

Known Affected Releases

17.2.1

Description (partial)

Symptom:
communication fail from device outside the rep ring 
doesn't reach the devices inside the ring.
broken on first device in this case HSRP active device
connectivity from outside to edge is ok and from edge to devices in rep topology is ok
recover of fail link will not recover traffic

Conditions:
REP ring
IE3400 rep edge devices and HSRP pair.
fail in one rep open link.
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