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December 2020

December 2020

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Lshen1127
Beginner

Nexus5020的万兆接口每天会down6秒,是什么原因?

2015 Dec 9 18:35:13 N5K-BS-SER-2 %ETHPORT-5-IF_DOWN_PORT_CHANNEL_MEMBERS_DOWN: Interface port-channel10 is down (No operational members)
2015 Dec 9 18:35:13 N5K-BS-SER-2 %ETH_PORT_CHANNEL-5-PORT_DOWN: port-channel10: Ethernet1/40 is down
2015 Dec 9 18:35:13 N5K-BS-SER-2 %ETH_PORT_CHANNEL-5-PORT_DOWN: port-channel10: port-channel10 is down
2015 Dec 9 18:35:13 N5K-BS-SER-2 %ETH_PORT_CHANNEL-5-FOP_CHANGED: port-channel10: first operational port changed f
rom Ethernet1/40 to none
2015 Dec 9 18:35:13 N5K-BS-SER-2 %ETHPORT-5-IF_DOWN_LINK_FAILURE: Interface Ethernet1/40 is down (Link failure)
2015 Dec 9 18:35:13 N5K-BS-SER-2 %ETHPORT-5-IF_DOWN_PORT_CHANNEL_MEMBERS_DOWN: Interface port-channel10 is down (No operational members)
2015 Dec 9 19:25:45 N5K-BS-SER-2 %ETHPORT-5-SPEED: Interface Ethernet1/40, operational speed changed to 10 Gbps
2015 Dec 9 19:25:45 N5K-BS-SER-2 %ETHPORT-5-IF_DUPLEX: Interface Ethernet1/40, operational duplex mode changed to
Full
2015 Dec 9 19:25:45 N5K-BS-SER-2 %ETHPORT-5-IF_RX_FLOW_CONTROL: Interface Ethernet1/40, operational Receive Flow C
ontrol state changed to off
2015 Dec 9 19:25:45 N5K-BS-SER-2 %ETHPORT-5-IF_TX_FLOW_CONTROL: Interface Ethernet1/40, operational Transmit Flow
Control state changed to off
2015 Dec 9 19:25:45 N5K-BS-SER-2 %ETHPORT-5-SPEED: Interface port-channel10, operational speed changed to 10 Gbps
2015 Dec 9 19:25:45 N5K-BS-SER-2 %ETHPORT-5-IF_DUPLEX: Interface port-channel10, operational duplex mode changed t
o Full
2015 Dec 9 19:25:45 N5K-BS-SER-2 %ETHPORT-5-IF_RX_FLOW_CONTROL: Interface port-channel10, operational Receive Flow
Control state changed to off
2015 Dec 9 19:25:45 N5K-BS-SER-2 %ETHPORT-5-IF_TX_FLOW_CONTROL: Interface port-channel10, operational Transmit Flo
w Control state changed to off
2015 Dec 9 19:25:51 N5K-BS-SER-2 %ETH_PORT_CHANNEL-5-PORT_UP: port-channel10: Ethernet1/40 is up
1 个已接受解答

已接受的解答
martinchow
Beginner

这个1/40接口下有大量的crc error, 还有收光也超过阀值。 建议观察crc计数是否一直有增长, 如果持续增长的话就要考虑更换光纤和光模块了

在原帖中查看解决方案

4 条回复4
martinchow
Beginner

这个1/40接口下有大量的crc error, 还有收光也超过阀值。 建议观察crc计数是否一直有增长, 如果持续增长的话就要考虑更换光纤和光模块了

在原帖中查看解决方案

martinchow
Beginner

n5k是哪个软件版本?
有没有换过两端的光模块和光纤?
接口下有没有crc错误?
收集下:
show int e1/40
show int e1/40 transceiver detail
show system internal ethpm event-history interface e1/40
maritn
Lshen1127
Beginner

N5K-BS-SER-2# sh ver
Cisco Nexus Operating System (NX-OS) Software
TAC support: http://www.cisco.com/tac
Copyright (c) 2002-2010, Cisco Systems, Inc. All rights reserved.
The copyrights to certain works contained herein are owned by
other third parties and are used and distributed under license.
Some parts of this software are covered under the GNU Public
License. A copy of the license is available at
http://www.gnu.org/licenses/gpl.html.
Software
BIOS: version 1.2.0
loader: version N/A
kickstart: version 4.2(1)N1(1)
system: version 4.2(1)N1(1)
power-seq: version v1.2
BIOS compile time: 06/19/08
kickstart image file is: bootflash:/n5000-uk9-kickstart.4.2.1.N1.1.bin
kickstart compile time: 4/29/2010 19:00:00 [04/30/2010 10:38:04]
system image file is: bootflash:/n5000-uk9.4.2.1.N1.1.bin
system compile time: 4/29/2010 19:00:00 [04/30/2010 11:51:47]
Hardware
cisco Nexus5020 Chassis ("40x10GE/Supervisor")
Intel(R) Celeron(R) M CPU with 2074284 kB of memory.
Processor Board ID JAF1424ABQK
Device name: N5K-BS-SER-2
bootflash: 1003520 kB
Kernel uptime is 1912 day(s), 17 hour(s), 22 minute(s), 35 second(s)
Last reset at 149846 usecs after Mon Sep 20 21:35:32 2010
Reason: Reset Requested by CLI command reload
System version: 4.2(1)N1(1)
Service:
plugin
Core Plugin, Ethernet Plugin
N5K-BS-SER-2# sh int e1/40
Ethernet1/40 is up
Hardware: 10000 Ethernet, address: 0005.9b25.ddef (bia 0005.9b25.ddef)
MTU 1500 bytes, BW 10000000 Kbit, DLY 10 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA
Port mode is trunk
full-duplex, 10 Gb/s, media type is 10g
Beacon is turned off
Input flow-control is off, output flow-control is off
Rate mode is dedicated
Switchport monitor is off
Last link flapped 08:14:15
Last clearing of "show interface" counters never
30 seconds input rate 8662896 bits/sec, 1881 packets/sec
30 seconds output rate 8176608 bits/sec, 1584 packets/sec
Load-Interval #2: 5 minute (300 seconds)
input rate 6.15 Mbps, 1.49 Kpps; output rate 6.32 Mbps, 1.29 Kpps
RX
169838130979 unicast packets 8683236591 multicast packets 1204057995 broadcast packets
179794101494 input packets 74389745265542 bytes
24377487146 jumbo packets 0 storm suppression packets
4011 runts 0 giants 68671854 CRC 0 no buffer
68675865 input error 0 short frame 0 overrun 0 underrun 0 ignored
0 watchdog 0 bad etype drop 0 bad proto drop 0 if down drop
0 input with dribble 0 input discard
0 Rx pause
TX
135796612622 unicast packets 126703146 multicast packets 144865010 broadcast packets
136073426725 output packets 73484130616251 bytes
29091129133 jumbo packets
5245947 output errors 0 collision 0 deferred 0 late collision
0 lost carrier 0 no carrier 0 babble
0 Tx pause
1385 interface resets
N5K-BS-SER-2# sh int e1/40 transceiver details
Ethernet1/40
sfp is present
name is CISCO-SUMITOMO
type is 10Gbase-SR
part number is SPP5100SR-C1
revision is A
serial number is ECL142100ZA
nominal bitrate is 10300 MBits/sec
Link length supported for 50/125um fiber is 82 m(s)
Link length supported for 62.5/125um fiber is 26 m(s)
cisco id is --
cisco extended id number is 4
SFP Detail Diagnostics Information (internal calibration)
----------------------------------------------------------------------------
Alarms Warnings
High Low High Low
----------------------------------------------------------------------------
Temperature 30.37 C 75.00 C -5.00 C 70.00 C 0.00 C
Voltage 3.25 V 3.63 V 2.97 V 3.46 V 3.13 V
Current 5.66 mA 10.50 mA 2.00 mA 9.00 mA 2.50 mA
Tx Power -2.53 dBm 1.69 dBm -11.30 dBm -1.30 dBm -7.30 dBm
Rx Power 0.45 dBm ++ 1.99 dBm -13.97 dBm -1.00 dBm -9.91 dBm
----------------------------------------------------------------------------
Note: ++ high-alarm; + high-warning; -- low-alarm; - low-warning
Lshen1127
Beginner

两个接口配置的port-channel,今天这个口断几秒,明天那个断几秒
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