Cisco stance of term frequency regarding SBE

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Aug 27th, 2009
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What does Cisco consider a frequent occurrence of SBE on 12000 line cards?


Below module did have one recurring log

but month apart.


FRU: Linecard/Module: 4OC48E/POS-SR-SC=

Processor Memory: MEM-LC4E-512=

Packet Memory: MEM-LC4E-PKT-512=



SLOT 7:Jul 28 03:35:50.948 PDT: %RX192-6-ERRINTR: status = 0x2000000, mask = 0x7EFFFFFF - Parity error on rx_adj_mem.

SLOT 7:Jul 28 03:35:50.948 PDT: %RX192-6-ADJ_MEM_SOFT: phy addr 0x790C6E70, offset 0x18DCE, old ecc 0x0, new ecc 0x16, bit 16, value 0x10000 - Detected and Corrected Adjacency Memory Parity Error..


SLOT 7:Aug 26 23:24:01.776 PDT: %RX192-6-ERRINTR: status = 0x2000000, mask = 0x7EFFFFFF - Parity error on rx_adj_mem.

SLOT 7:Aug 26 23:24:01.776 PDT: %RX192-6-ADJ_MEM_SOFT: phy addr 0x79558740, offset 0xAB0E8, old ecc 0x0, new ecc 0x29, bit 34, value 0x400000000 - Detected and Corrected Adjacency Memory Parity Error..



SBEs are corrected by the Error Correction Circuit and do not affect functionality of the line card. No action is required for single-bit errors, unless they occur frequently. In this case, it is advisable to replace the line card


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Giuseppe Larosa Fri, 08/28/2009 - 04:29
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Hello Jim,

if I've understood the frequency is one a mounth.


For the moment you can afford this if the frequency of events increases open a request to change the linecard.


Hope to help

Giuseppe


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