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Cisco Bug: CSCuj46378 - Link drop occur if receive oversize jumbo frames in 1000BASE-T mode

Last Modified

Jul 04, 2014

Products (1)

  • Cisco Small Business 500 Series Stackable Managed Switches

Known Affected Releases

Description (partial)

Link drops will occur if the remote device sends oversize frames in 1000BASE-T mode.

1000BASE-T and 100BASE-TX modes only support frame sizes up to 9000 bytes. If configure 10G copper port as 1G or 100M mode, and send oversize frames, this port will link drop. Shut then no shut this port can bring up this port again.
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