FEC 直方图和统计数据
您可以使用前向纠错 (FEC) 计数器和 FEC 直方图来预测链路质量直方图和统计数据。要显示此信息,请使用命令 show interfaces interface-name
。此命令显示 FEC 已更正和未更正的代码字计数器、FEC 之前的 BER 和 FEC 直方图。
使用 功能浏览器 确认平台和版本对特定功能的支持。
输出
在此命令的输出中, Total Code Words
是收获的计数。 Code Words
是瞬时计数。
例如:
user@device> show interfaces et-0/0/26 Physical interface: et-0/0/26, Enabled, Physical link is Up Interface index: 1214, SNMP ifIndex: 626 Link-level type: Ethernet, MTU: 1514, LAN-PHY mode, Speed: 400Gbps, BPDU Error: None, Loop Detect PDU Error: None, Ethernet-Switching Error: None, MAC-REWRITE Error: None, Loopback: Disabled, Source filtering: Disabled, Flow control: Disabled, Auto-negotiation: Disabled, Media type: Fiber Device flags : Present Running Interface flags: SNMP-Traps CoS queues : 0 supported, 0 maximum usable queues Current address: e4:f2:7c:82:cb:58, Hardware address: e4:f2:7c:82:cb:58 Last flapped : 2025-02-05 21:54:51 PST (02:20:48 ago) Input rate : 0 bps (0 pps) Output rate : 86054410200 bps (84037509 pps) Active alarms : None Active defects : None PCS statistics Seconds Bit errors 0 Errored blocks 0 Ethernet FEC Mode : FEC119 FEC Codeword size 544 FEC Codeword rate 0.945 Ethernet FEC statistics Errors FEC Corrected Errors 90245707 FEC Uncorrected Errors 0 FEC Corrected Errors Rate 10838 FEC Uncorrected Errors Rate 0 PRE FEC BER 0.00010699043195928 Symbol Error Per Code Word Code Words Total Code Words Last Changed Bin0 158197020 659994893109 00:00:01 ago Bin1 21923 90120080 00:00:01 ago Bin2 27 124983 00:00:01 ago Bin3 0 641 Never Bin4 0 5 Never Bin5 0 0 Never Bin6 0 0 Never Bin7 0 0 Never Bin8 0 0 Never Bin9 0 0 Never Bin10 0 0 Never Bin11 0 0 Never Bin12 0 0 Never Bin13 0 0 Never Bin14 0 0 Never Bin15 0 0 Never Interface transmit statistics: Disabled Link Degrade : Link Monitoring : Disable Logical interface et-0/0/26.0 (Index 1003) (SNMP ifIndex 760) Flags: Up SNMP-Traps Encapsulation: Ethernet-Bridge DF Input packets : 0 Output packets: 0 Protocol ethernet-switching, MTU: 1514 Flags: Is-Primary