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Cisco Bug: CSCus76587 - Catalyst2960X not link up, connected with Nexus5596

Last Modified

May 06, 2016

Products (11)

  • Cisco Nexus 5000 Series Switches
  • Cisco Nexus 5548P Switch
  • Cisco Nexus 5596UP Switch
  • Cisco Nexus 5624Q Switch
  • Cisco Nexus 6004 Switch
  • Cisco Nexus 5672UP Switch
  • Cisco Nexus 6001 Switch
  • Cisco Nexus 56128P Switch
  • Cisco Nexus 5548UP Switch
  • Cisco Nexus 5696Q Switch
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Known Affected Releases

6.0(2)N2(6) 7.0(4)N1(1) 7.1(0)N1(1)

Description (partial)

When Catalyst2960X and Nexus5596 are directly connected, link down (notconnect) issue occurred on the Cat side.

Steps to reproduce is to remove the cable on the Cat side and then to re-connect it. This can occur when Catalyst and Nexus are directly connected with twinax cable. The issue occurs independently on the SW version of Catalyst, but depending on the version of Nexus.
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