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Cisco Bug: CSCun84283 - C2960 || Copper connection interfaces || Keepalive set by default

Last Modified

Sep 11, 2020

Products (25)

  • Cisco Catalyst 2960-S Series Switches
  • Cisco Catalyst 2960S-24PD-L Switch
  • Cisco Catalyst 2960X-24PS-L Switch
  • Cisco Catalyst 2960X-48LPS-L Switch
  • Cisco Catalyst 2960X-24PD-L Switch
  • Cisco Catalyst 2960S-48LPS-L Switch
  • Cisco Catalyst 2960X-48TS-LL Switch
  • Cisco Catalyst 2960X-48TD-L Switch
  • Cisco Catalyst 2960S-48TD-L Switch
  • Cisco Catalyst 2960X-24TS-LL Switch
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Known Affected Releases

15.0(2)EX

Description (partial)

Symptom:
Keep alives should not be sent by the switch at uplink ports.
Switches for example: WS-C2960-48PST-L and WS-C2960S-24PS-L have keep alive being set by default on the gig uplink copper ports. 
It is not set on the SFP uplink interface.
By design keep alive default configuration is/should be off on all uplink/pluggable ports.

Conditions:
Issue is seen on 2960, 2960S and 2960X switch, any image or sfp could be used.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
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