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Cisco Bug: CSCut36166 - [asr920] Punting of CD packets by PD to depend on AN PI punt registries

Last Modified

Feb 17, 2018

Products (20)

  • Cisco IOS
  • Cisco ASR 901-6CZ-F-D Router
  • Cisco ASR 901-6CZ-FS-D Router
  • Cisco ASR 901S-4SG-F-D Router
  • Cisco ME 3600X-24TS-M Switch
  • Cisco ASR 901-4C-FT-D Router
  • Cisco ASR 901S-2SG-F-D Router
  • Cisco ASR 901S-2SG-F-AH Router
  • Cisco ASR 901-6CZ-F-A Router
  • Cisco ASR 901-6CZ-FT-A Router
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Known Affected Releases

15.5(1)S 15.5(2)S 15.5(3)S

Description (partial)

Symptom:
If an autonomic domain is having a Layer2 grey cloud in-between (i.e, one or more devices that are manually touched [in which case AN ZTB will not kick-in] OR autonomic is manually disabled on them), the AN L2 Channel Discovery packets get blackholed at such devices instead of passing through the layer2 grey cloud, there by the devices on the other side of the grey cloud will never get bootstrapped by AN.

Conditions:
If an autonomic domain is having a Layer2 grey cloud in-between (i.e, one or more devices that are manually touched [in which case AN ZTB will not kick-in] OR autonomic is manually disabled on them),
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Bug Details Include

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