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Cisco Bug: CSCuw44957 - Cat3560X:some fragmented packets drop

Last Modified

Jun 28, 2018

Products (97)

  • Cisco Catalyst 3560-X Series Switches
  • Cisco Catalyst 2960X-48LPS-L Switch
  • Cisco Catalyst 3560X-48P-S Switch
  • Cisco Catalyst 3560X-48T-E Switch
  • Cisco Catalyst 2960X-24PD-L Switch
  • Cisco Catalyst 3560X-48U-S Switch
  • Cisco Catalyst 2960C-12PC-L Switch
  • Cisco Catalyst 2960C-8TC-S Switch
  • Cisco Catalyst 2960X-24PS-L Switch
  • Cisco Catalyst 3560X-48PF-S Switch
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Known Affected Releases

15.2(3)E

Description (partial)

Symptom:
Some fragmented packets drop on the Cat3560X.

Conditions:
The issue is confirmed on 15.2(1)E,15.2(2)E2 or 15.2(3)E2.

It is not seen on 15.0(2)SE5,15.0(2)SE6 or 15.0(2)SE8.

Related Community Discussions

details of <key>CSCuw44957</key>
Hello, Can someone please share the details of the bug <key>CSCuw44957</key> ? The workaround says  (..) It won't heppen on 15.0(2)SE8 or earier. (..) But. I have WS-3560X @15.0(2)SE4, and its ports work fine when in 1G mode. When limited to 10/100 (auto), I found one tcp frame that gets dropped. Nothing special, just something in the middle of TCP segment, but, the result is - the upper layers get confused and application hangs. Maybe I'm hitting the same bug, and should consider migration to 15.2 train ? ...
Latest activity: Nov 13, 2015
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Bug Details Include

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