[c-nsp] Problem with 10 / Half ports with SXH

Colin Jenkinson C.Jenkinson at uws.edu.au
Thu Oct 4 23:22:27 EDT 2007

   we recently upgraded a whole bunch of 6500s
 with s72033-ipservicesk9-mz.122-33.SXH from SX7.
 Since then we have had trouble with older equipment
 such as AS5200s and legacy Voicemail servers and PABXs
 the can only do 10 / Half becoming not responsive.
 The counters on the problem interfaces show high rates
 of CRC errors (rxCRCAlignErrors). A shut / no shut on
 the port returns the port to operation. The modules
 concerned are mainly the WS-X6548-RJ-45. Setting the
 port to 10/half instead of auto/auto offers slight
 improvements. Has anybody else come across this 
 problem. We have raised a TAC case with Cisco but
 so far have had no response.

Colin E Jenkinson
Information Technology Directorate
University of Western Sydney
Telephone: +61 (0)2 4620 3184
Mobile: 0414 538 476 Fax: 02 4620 3806

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