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Cisco Bug: CSCun22906 - Output drop on Ten port of C4948E with random size packet

Last Modified

Feb 27, 2018

Products (1)

  • Cisco Catalyst 4000 Series Switches

Known Affected Releases

15.0(2)SG8.0.99

Description (partial)

Symptom:
With following topology, odd size packets are dropped if traffic egresses on uplink ports of a Catalyst 4948-E switch operating at 1 Gig line rate:

IXIA(01/02) ------ (Gi1/2)C4948E(Ten1/49) ------ (05/02)IXIA

The cos value is set 0.

Conditions:
It is more likely that you will see drops with smaller, randomly sized packets, where COS is set to 0.
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