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Cisco Bug: CSCus49571 - 78XX: longer time to register to CUCM after change stateless auto

Last Modified

Feb 05, 2017

Products (1)

  • Cisco Unified Communications Manager (CallManager)

Known Affected Releases


Description (partial)

7811 and 7841 phones might take very long time to register to CUCMSymptom:Change ipv6 auto configure from off to On might cause phones to take longer time to register to CUCM
Conditions:1) M=0,O=1, stateless auto configure off
2) Pure ipv6 only mode
3) Phone register to CUCM with ipv6 address from dhcpv6
4) Now change stateless auto configure from off to On (Common device configuration)
5) Press Apply Config
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