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Cisco Bug: CSCta01018 - DSL does not sync after upgrade to 12.4(15)T7

Last Modified

Jan 28, 2017

Products (1)

  • Cisco 800 Series Routers

Known Affected Releases

12.4(15)T

Description (partial)

Symptom:
Several 876s have been upgraded from 12.4(4)T8 to 12.4(15)T7.
After the upgrade, none of them were able to trainup the DSL link anymore.

Conditions:
DSLAM is Ericsson EDN312X.

Using firmware 2.542 (included in 12.4(4)T8) the link comes up without problems, with the upgrade the new firmware is 3.0.14.
We tried also 3.0.33 and 4.0.15, same situation, it's not coming up.
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