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Cisco Bug: CSCuo21413 - With AMS mode, issue seen in changing media type in a particular case

Last Modified

Jan 29, 2017

Products (16)

  • Cisco IOS
  • Cisco ASR 901-6CZ-FS-D Router
  • Cisco ASR 901-6CZ-F-D Router
  • Cisco ASR 901S-4SG-F-D Router
  • Cisco ASR 901-4C-FT-D Router
  • Cisco ASR 901-6CZ-F-A Router
  • Cisco ASR 901S-2SG-F-D Router
  • Cisco ASR 901S-2SG-F-AH Router
  • Cisco ASR 901-6CZ-FT-A Router
  • Cisco ASR 901-12C-FT-D Router
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Known Affected Releases

15.5(2)S

Description (partial)

Symptom:
on Cisco ASR920-12CZ variant router when the same AMS port is connected to both Copper and SFP peer end and at different speeds, the link remains down when the link flap happens.

Conditions:
- Of the two links, the RJ45 link should be 10Mbps and the SFP link should be 100Mbps.
- SFP is selected by default. Once the SFP link is brought down, it switches to rj45. On restoring the SFP link, the AMS port remains down.
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