Cisco MDS 9000 Series Configuration Manual page 157

Congestion Detection, Avoidance, and Isolation
recovery
recovery initiated from the adjacent device
loss recovery
Percentage Tx credits not available for last 1s/1m/1h/72h: 0%/64%/0%/0%
switch# show process creditmon credit-loss-events
0 class-f frames, 0 bytes received
0 discards, 0 errors received
14713116 discards, 0 errors transmitted
907817 frames, 1942720200 bytes transmitted
0 class-2 frames, 0 bytes transmitted
907817 class-3 frames, 1942720200 bytes transmitted
0 class-3 frames discarded
0 class-f frames, 0 bytes transmitted
0 class-f frames discarded
0 multicast packets received, 0 transmitted
0 broadcast packets received, 0 transmitted
27651428465 unicast packets received, 907817 transmitted
14713116 timeout discards, 18 credit loss
0 link failures, 0 sync losses,
0 primitive sequence protocol errors
0 invalid transmission words
0 invalid CRCs, 0 Delimiter Errors
0 address identifier errors
0 link reset received while link is active
18 link reset transmitted while link is active
0 Offline Sequence errors received
0 Offline Sequence errors transmitted
0 frames received that are shorter than
the minimum allowable frame length
regardless of the CRC/FCS error
0 frames received that are longer than
the maximum frame length and also have a
CRC/FCS error
108369199104 2.5us TxWait due to lack of transmit credits
0 frames received with length greater
than what was agreed to in FLOGI/PLOGI
0 frames received with length less than
the minimum indicated by the frame header
18 link reset responses received
0 link reset responses transmitted
0 non-operational sequences received
0 non-operational sequences transmitted
0 fragmented frames received
0 frames received with EOF aborts
0 unknown class frames received
0 8b10b disparity errors
0 frames discarded
0 Exchange Link Parameters switch fabric
internal link service request failures
903218 Transmit B2B credit transitions to zero
743093 Receive B2B credit transitions to zero
0 Enhanced Inter Switch Link (EISL) frames
discarded
0 framing errors
0 F8 type LIP sequence errors received
0 F8 type LIP sequence errors issued
0 Non F8 type LIP sequence errors received
0 Non F8 type LIP sequence errors issued
0 fec corrected blocks
0 fec uncorrected blocks
Module: 01 Credit Loss Events: YES
Cisco MDS 9000 Series Interfaces Configuration Guide, Release 8.x
Information About Congestion Detection
<<<<<< credit loss
0 signal losses
<<<<<< Credit loss
<<<<<< Same as credit
<<<<< LRRs received
<<<<< LRRs transmitted
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