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Cisco Bug: CSCuj81956 - N7K- CWDM link does not come up on N7K-F248XP-25E

Last Modified

Feb 22, 2014

Products (7)

  • Cisco Nexus 7000 Series Switches
  • Cisco Nexus 7000 10-Slot Switch
  • Cisco Nexus 7000 4-Slot Switch
  • Cisco Nexus 7700 18-Slot Switch
  • Cisco Nexus 7000 18-Slot Switch
  • Cisco Nexus 7700 10-Slot Switch
  • Cisco Nexus 7000 9-Slot Switch

Known Affected Releases

6.1(4) 6.2(2)

Description (partial)

Link does not come up consistently when used SFP's - CWDM1510 or CWDM1530 on the module N7K-F248XP-25E.

The problem is observed with module N7K-F248XP-25E with code 6.1(4) and 6.2(2).

If the fiber is plugged in firmly, the link goes down, but if the fiber is lightly connected the link may stay up.
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