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Cisco Bug: CSCut26724 - CE mode: TFTPv6 is not cleared when set it empty

Last Modified

Jul 17, 2018

Products (35)

  • Cisco IP Phone 8800 Series
  • Cisco Unified SIP Phone 3905
  • Cisco IP Phone 7841
  • Cisco Unified IP Phone 7945G
  • Cisco Unified IP Phone 7962G
  • Cisco IP Phone 8851
  • Cisco Unified IP Phone 9951
  • Cisco Unified IP Phone 6941
  • Cisco Unified IP Phone 6961
  • Cisco IP Phone 7821
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Known Affected Releases


Description (partial)

1. Phone IPv4 DHCP on, no TFTP is configured, IPv4 address is acquired.
2. Phone IPv6 DHCP is off, IPV6 address is configured, IPv6 TFTP server 1 is configured.
3. Power cycle phone
Result: Phone doesn't enter CE mode as expected.
4. Enter IPv6 menu, empty TFTPv6
Result: it pops up
TFTP changed
No TFTP available.
Press Erase to apply changes and erase the Trust List, and then reset.
Press Continue to apply changes without erasing the Trust List, and then reset.
5. Press Continue
Phone reset, but after phone is up, it still doesn't enter CE mode as TFTPv6 is not cleared.

See steps in symptoms.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
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