Cisco N5K-C5010P-BF Troubleshooting Guide - Page 125
Troubleshooting Fibre Channel MAC issues, show hardware
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Page 125 highlights
Chapter 5 Troubleshooting SAN Switching Issues Registers and Counters Send document comments to [email protected]. Troubleshooting Fibre Channel MAC issues The show hardware command is very useful when troubleshooting FC physical layer issues. Show hardware internal fc-mac port statistics The output of the command contains the following useful information: • Physical layer information FCP_CNTR_MAC_RX_LOSS_OF_SYNC - Loss of Sync received counter • Performance information FCP_CNTR_MAC_CREDIT_IG_XG_MUX_SEND_RRDY_REQ - Receiver Ready's Sent FCP_CNTR_MAC_CREDIT_EG_DEC_RRDY - Receiver Ready's Received • Class 3 normal traffic counters FCP_CNTR_MAC_DATA_RX_CLASS3_FRAMES FCP_CNTR_MAC_DATA_RX_CLASSF_FRAMES FCP_CNTR_MAC_DATA_RX_CLASS3_WORDS FCP_CNTR_MAC_DATA_RX_CLASSF_WORDS FCP_CNTR_MAC_DATA_TX_CLASS3_FRAMES FCP_CNTR_MAC_DATA_TX_CLASSF_FRAMES FCP_CNTR_MAC_DATA_TX_CLASS3_WORDS FCP_CNTR_MAC_DATA_TX_CLASSF_WORDS • Fibre Channel primitive sequences FCP_CNTR_LINK_RESET_IN - Link Resets Received FCP_CNTR_OLS_OUT- Offline Sequences Sent FCP_CNTR_NOS_OUT - Not Operational Sequence Sent FCP_CNTR_LRR_OUT - Link Reset Responses Sent FCP_CNTR_LINK_FAILURE Example: switch# show hardware internal fc-mac 2 port 1 statistics ADDRESS STAT 0x0000003c FCP_CNTR_MAC_RX_LOSS_OF_SYNC 0x0000003d FCP_CNTR_MAC_RX_BAD_WORDS_FROM_DECODER 0x00000042 FCP_CNTR_MAC_CREDIT_IG_XG_MUX_SEND_RRDY_REQ 0x00000043 FCP_CNTR_MAC_CREDIT_EG_DEC_RRDY 0x00000061 FCP_CNTR_MAC_DATA_RX_CLASS3_FRAMES 0x00000062 FCP_CNTR_MAC_DATA_RX_CLASSF_FRAMES 0x00000069 FCP_CNTR_MAC_DATA_RX_CLASS3_WORDS 0x0000006a FCP_CNTR_MAC_DATA_RX_CLASSF_WORDS 0x00000065 FCP_CNTR_MAC_DATA_TX_CLASS3_FRAMES 0x00000066 FCP_CNTR_MAC_DATA_TX_CLASSF_FRAMES 0x0000006d FCP_CNTR_MAC_DATA_TX_CLASS3_WORDS 0x0000006e FCP_CNTR_MAC_DATA_TX_CLASSF_WORDS 0xffffffff FCP_CNTR_LINK_RESET_IN 0xffffffff FCP_CNTR_OLS_OUT 0xffffffff FCP_CNTR_NOS_OUT 0xffffffff FCP_CNTR_LRR_OUT 0xffffffff FCP_CNTR_LINK_FAILURE COUNT 0x5 0xec 0x5ec 0xc41 0x5d2 0x1a 0x140b14 0xdcc 0xc24 0x1d 0x4b9538 0xabc 0x2 0x5 0x2 0x7 0x2 OL-25300-01 Cisco Nexus 5000 Series Troubleshooting Guide 5-53
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