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Georg Pauwen Wed, 01/04/2006 - 07:20
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    2017 WAN

Hello,


the following bug might apply. The ´workaround´ is to return the switch to Cisco and have them ship a new one to you:


CSCdv83336 Bug Details



Under certain level of traffic load, the (2950) switch will start logging the


following messages on the console:



SCHAN ERROR INTR: SRC=6 DST=5 OPCODE=20 ERRCODE=5



and after a few seconds, the switch will stop passing any traffic. In some


cases, the switch seemed still forwarding broadcast and multicast traffic,


which will cause STP problem if the switch has redundant link and is not


supposed to be the root for the VLAN, as both port will go forwarding.



The same error message has been identified in CSCdu87836.



An assessment of the impact



Unit stops passing any traffic.



WORKAROUND



Several units were returned by CISCO. The units were re-screened to the


latest test program, and failed the SDRAM memory test.


Regards,


GP



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