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Cisco Bug: CSCuq27354 - DNS may not correctly transfer data to secondaries leading to many AXFRs

Last Modified

Oct 15, 2015

Products (1)

  • Cisco Network Registrar

Known Affected Releases

8.2

Description (partial)

Symptom:
Some DNS RRs are not sent in an incremental zone transfer from primary to secondary. The secondary may detect the inconsistency and request a full zone transfer. If the condition happens frequently, this will also lead to frequent zone transfers.

Conditions:
The DNS is processing a DNS packet that removes and re-adds the exact same records.
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  • Status
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