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Cisco Bug: CSCuq82346 - ENH: SIP SPI need to call the non-blocking API for doing DNS resolution.

Last Modified

May 03, 2018

Products (1)

  • Cisco IOS

Known Affected Releases

15.2(4.1.1)

Description (partial)

Symptom:
If local DNS lookup on CUBE is failed then it stops processing subsequent DNS queries for the time what DNS takes for doing all the retries, causing those calls to fail.

Conditions:
If CUBE has an incorrect (or NO) 'ip host' entry and SIP SPI try to query it then SIP DNS process stuck and stops processing subsequent DNS queries till all the retries and timeouts for DNS lookup are exhausted.
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