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Cisco Bug: CSCur09936 - C3750X stack packet loss on Channel interface when removed backup int

Last Modified

Sep 01, 2020

Products (170)

  • Cisco Catalyst 3750-X Series Switches
  • Cisco Catalyst 2960-24TC-L Switch
  • Cisco Catalyst 3560E-48PD-SF Switch
  • Cisco Catalyst 3560G-48PS Switch
  • Cisco Catalyst 3560E-12D-E Switch
  • Cisco Catalyst 2960-48TT-S Switch
  • Cisco Catalyst 3560X-48U-S Switch
  • Cisco Catalyst 3560CG-8TC-S Compact Switch
  • Cisco Catalyst 2960C-12PC-L Switch
  • Cisco Catalyst 3560X-48T-E Switch
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Known Affected Releases

12.2(55)SE9 15.0(2)SE6 15.2(1)E

Description (partial)

If remove flexlink backup interface on Channel interface,
packet which flows on that Channel int loss occurs for 5 min(default mac-aging) or till clear mac table

C3750X stack running 12.2(55)SE9, 15.0(2)SE6, and 15.1(1)E3.
Configured flexlink backup interface on Channel interface.
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