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Cisco Bug: CSCuq10971 - Phone cann't Failback to pub/sub server after lose connect for a while

Last Modified

Nov 30, 2020

Products (43)

  • Cisco IP Phone 8800 Series
  • Cisco Unified IP Phone 7971G-GE
  • Cisco Unified IP Phone 7962G
  • Cisco IP Phone 8851
  • Cisco Unified SIP Phone 3905
  • Cisco IP Phone 7841
  • Cisco Unified IP Phone 9951
  • Cisco DX80
  • Cisco DX650
  • Cisco Unified IP Phone 7945G
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Known Affected Releases

10.2(2) 10.3(1)

Description (partial)

Phone cann't Failback to pub/sub server

0. phone and SRST server connect to the same switch
1. plug out uplink, phone lost connection with pub/sub/dns/dhcp server/default router,  and failover to SRST.
--Error: 6 phones, 3 phones failover to SRST about 2 minutes, 3 phone failover to SRST about 7 miniutes(CSCuq58134)
2. plug in uplink, Phone cann't failback to pub/sub server.
--Error: 6 phones, 3 phones fallback about 3 minutes, 3 phones cann't fallback about 2 hours until I reset it manually.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
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