"ctdpktloss "/从集群Lf执行链路时继续丢失数据包
适用场景
- AFF / FAS 系统
 - ONTAP 9.x
 - Cisco集群网络交换机
 
问题描述
system health alert show命令报告以下错误:
Node:NetApp1Resource: Ethernet1/10Severity: MajorIndication Time: Mon Apr 2413:01:43 2023Suppress: falseAcknowledge: falseProbable Cause: The percentage of inbound packet errors of switchinterface "int/Ethernet1/10"is above the warning threshold.Possible Effect: Communication between nodes in the cluster might bedegraded.- EMS中报告了以下错误:
 
[?] Mon May 01 01:06:49 +0530 [NetApp-node1: cshmd: hm.alert.raised:alert]: Alert Id = ClusterIfInErrorsWarn_Alert , Alerting Resource = switch-01(XXXXXXXXXXX)/Ethernet1/10 raised by monitor ethernet-switch[?] Mon May 01 01:06:49 +0530 [NetApp-node1: cshmd: hm.alert.raised:alert]: Alert Id = ClusterIfInErrorsWarn_Alert , Alerting Resource = switch-01(XXXXXXXXXXX)/Ethernet1/9 raised by monitor ethernet-switch[?] Mon May 01 01:06:49 +0530 [NetApp-node1: cshmd: hm.alert.raised:alert]: Alert Id = ClusterIfOutErrorsWarn_Alert , Alerting Resource = switch-01(XXXXXXXXXXX)/Ethernet1/7 raised by monitor ethernet-switch[?] Mon May 01 01:06:49 +0530 [NetApp-node1: cshmd: hm.alert.raised:alert]: Alert Id = ClusterIfOutErrorsWarn_Alert , Alerting Resource = switch-01(XXXXXXXXXXX)/Ethernet1/8 raised by monitor ethernet-switch[?] Mon May 01 01:08:42 +0530 [NetApp-node1: vifmgr: vifmgr.cluscheck.ctdpktloss:alert]: Continued packet loss when pinging from cluster lif xxx (node NetApp-node1) to cluster lif xyx (node NetApp-node3).[?] Mon May 01 01:08:53 +0530 [NetApp-node1: vifmgr: vifmgr.cluscheck.ctdpktloss:alert]: Continued packet loss when pinging from cluster lif xxy (node NetApp-node1) to cluster lif xyx (node NetApp-node3).
- 根据show interface输出、交换机端口上的MTU为1500:
 
switch-01# show interface <interface name>
Ethernet1/8 is up
 admin state is up, Dedicated Interface
 Hardware: 1000/10000/25000/40000/50000/100000 Ethernet, address: 806a.0023.eaf4 (bia 806a.0023.eaf4)
 MTU 1500 bytes, BW 40000000 Kbit , DLY 10 usec
 reliability 255/255, txload 1/255, rxload 1/255
 Encapsulation ARPA, medium is broadcast- 在存储端、MTU大小设置为9000、可从 
net port show命令行界面的输出进行验证