Brocade FC port offline with In_Sync state due to faulty switch end SFP
Applies to
- All Brocade hardware platforms
- All Brocade fabric operating system (FOS) platforms
Issue
- Switch port state shows as
In_Syncunder switchshow output:
/fabos/bin/switchshow :
Index Slot Port Address Media Speed State Proto
============================================================
87 10 7 695740 id N32 In_Sync FC
- porterrshow output shows that
link fail errors are observed:
/fabos/cliexec/porterrshow :
frames enc crc crc too too bad enc disc link loss loss frjt fbsy c3timeout pcs uncor
tx rx in err g_eof shrt long eof out c3 fail sync sig tx rx err err
87: 0 0 0 0 0 0 0 0 0 0 21 0 0 0 0 0 0 0 0
- Portshow of the affected port reports
offlinestatus:
portDisableReason: None
portCFlags: 0x1
portFlags: 0x4041 PRESENT U_PORT LED
LocalSwcFlags: 0x0
portType: 26.0
portState: 2 Offline
Protocol: FC
portPhys: 6 In_Sync portScn: 2 Offline
port generation number: 4188
state transition count: 13
- sfpshow reports Tx value is too low:
RX Power: -3.4 dBm (461.4uW)
TX Power: -30.5 dBm (0.9 uW)
- SFP failed with Tx -inf:
RX Power: -0.1 dBm (979.0uW) 10.0 uW 1995.3 uW 15.8 uW 1584.9 uW
TX Power: -inf dBm (0.0 uW) 125.9 uW 1995.3 uW 158.5 uW 1584.9 uW
- In errdump logs Rules
defALL_OTHER_F_PORTSLR_5,defALL_OTHER_F_PORTSITW_21, defALL_32GSWL_SFPTXP_251 & defALL_PORTSLF_3rules being generated as below:
2023/05/30-22:21:59 (IST), [MAPS-1003], 194348, SLOT 2 | FID 128 | PORT 10/7, WARNING, NTTC_X6_UAT_105_FAB1, slot10 port7, F-Port 10/7, Condition=ALL_OTHER_F_PORTS(LR/min>5), Current Value:[LR, 6 LRs], RuleName=defALL_OTHER_F_PORTSLR_5, Dashboard Category=Port Health, Quiet Time=None.
2023/05/30-22:22:47 (IST), [MAPS-1003], 194349, SLOT 2 | FID 128 | PORT 10/7, WARNING, NTTC_X6_UAT_105_FAB1, slot10 port7, F-Port 10/7, Condition=ALL_OTHER_F_PORTS(ITW/min>21), Current Value:[ITW, 329 ITWs], RuleName=defALL_OTHER_F_PORTSITW_21, Dashboard Category=Port Health, Quiet Time=None.
Line 13187: 2023/05/30-23:15:23 (IST), [MAPS-1005], 194380, SLOT 2 | FID 128 | PORT 10/7, WARNING, NTTC_X6_UAT_105_FAB1, SFP 10/7, Condition=ALL_32GSWL_SFP(TXP/NONE<=251), Current Value:[TXP, 138 uW], Rule defALL_32GSWL_SFPTXP_251 triggered 6 times in 1 hour and last trigger time Tue May 30 23:09:23 2023, Dashboard Category=Port Health.Line 13257: 2023/05/31-00:20:23 (IST), [MAPS-1006], 194415, SLOT 2 | FID 128 | PORT 10/7, INFO, NTTC_X6_UAT_105_FAB1, SFP 10/7, Latest Value=[TXP, 86 uW].
MAPS-1003], 194543, SLOT 2 | FID 128 | PORT 10/7, WARNING, NTTC_X6_UAT_105_FAB1, slot10 port7, U-Port 10/7, Condition=ALL_PORTS(LF/min>3), Current Value:[LF, 11 LFs], RuleName=defALL_PORTSLF_3, Dashboard Category=Port Health, Quiet Time=None.