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Cisco Bug: CSCvs98754 - 8861 phones do not attempt to registration when the TFTP is down

Last Modified

Jun 22, 2020

Products (1)

  • Cisco IP Phone 8800 Series

Known Affected Releases

12.0(1)ES12

Description (partial)

Symptom:
When the TFTP service is down and the phone is unable to download configuration file, it is supposed to register to the CUCM using an old stored configuration file. Instead, the phone could go in a wrong state and do not attempt registration.

Below outputs could be found in the phone console logs:

3188 NOT Jan 25 01:37:37.232098 (15042:15042) TFTPD-Requesting SEP5006AB712675.cnf.xml.sgn from 153.40.216.247 l
3190 NOT Jan 25 01:37:37.732900 (15042:15042) TFTPD-Timeout: retransmit the last packet (1)
3191 NOT Jan 25 01:37:38.734095 (15042:15042) TFTPD-Timeout: retransmit the last packet (1)
3192 NOT Jan 25 01:37:40.736277 (15042:15042) TFTPD-Timeout: retransmit the last packet (1)
3193 NOT Jan 25 01:37:44.740465 (15042:15042) TFTPD-Timeout: retransmit the last packet (1)
3194 NOT Jan 25 01:37:48.744109 (15042:15042) TFTPD-Timeout: retransmit the last packet (1)
3201 NOT Jan 25 01:37:53.895292 (361:15028) downd-DDGETTFTP.RESULT [11 Exceeded max number of retries 

In order to get the phones out of this state a manual reboot is required when the TFTP service is up and running.

Conditions:
TFTP service is stopped
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