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由于硬件问题、C3 Tx丢弃和帧超时

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Category:
fabric-interconnect-and-management-switches
Specialty:
brocade
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适用场景

Brocade Fabric OS 

问题描述

  • errdump -a 记录帧超时、指出哪个端口接收到帧(Rx)以及无法在何处 (TX)传输帧、同时记录丢失信号和 超额预订 警报。

2022/02/09-22:31:04, [AN-1014], 2266, SLOT 2 | FID 128, INFO, NFAB1, Frame timeout detected, tx port 9/7 rx port 9/27, sid c8f907, did 678740, timestamp 2022-02-09 22:31:04 .
2023/12/23-10:47:16 (IST), [MAPS-1003], 274485, SLOT 2 | FID 128 | PORT 11/8, WARNING, switch, IB_INFINI_3185_W_N3P6, F-Port 11/8, Condition=ALL_PORTS(PORT_BANDWIDTH/NONE==OVERSUBSCRIBED), Current Value:[PORT_BANDWIDTH, OVERSUBSCRIBED, (TXQL=914 us, TX=72.8%) ], RuleName=defALL_PORTS_OVERSUBSCRIBED, Dashboard Category=Fabric Performance Impact, Quiet Time=15 min.
2023/12/18-01:35:43 (IST), [MAPS-1003], 270764, SLOT 1 | FID 128 | PORT 10/21, WARNING, switch, Nimble2_U_N2S3P1, U-Port 10/21, Condition=ALL_PORTS(LOSS_SIGNAL/min>5), Current Value:[LOSS_SIGNAL, 8 LOS], RuleName=defALL_PORTSLOSS_SIGNAL_5, Dashboard Category=Port Health, Quiet Time=None.

  • porterrshow 显示链路故障、链路重置、C3丢弃与txt和帧超时相关的错误计数器增量。

/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
391:   45.3g   3.4g   0     0     0     0     0     0     0    43.1k   5     0     5     0     0    43.1k   0     0     2.5k

  • sfpshow 表示接收功率低

=============
Port  391:
=============
RX Power:    -8.1    dBm (155.8uW)
TX Power:    -3.0    dBm (500.6 uW)

  • sfpshow 指示Rx和Tx处于最佳范围

  • portshow 表示远程设备对链路的重置超过发送脱机本机本机的本地端口

portshow 391
[...]
Lr_in:             133     Ols_in:       5
Lr_out:            7       Ols_out:      6

 

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