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Cisco Bug: CSCut29519 - 99XX does not use TTL parameter for backup DNS server

Last Modified

Aug 04, 2015

Products (1)

  • Cisco Unified IP Phones 9900 Series

Known Affected Releases


Description (partial)

9951 does not use TTL parameter if responses are from 'backup DNS server elected'. Causing delay in DNS server failover.

9951 with 2 DNS servers, primary goes down and  failover to backup DNS server takes up to 8 seconds
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