从集群 LIF ping 集群时,数据包继续丢失 LIF
适用场景
- ONTAP 9
- Cisco Nexus集群交换机
问题描述
- 从 一个节点的集群lf Ping到 另一节点的集群lf时、Ping数据包被丢弃、并且事件日志中显示以下警报:
[Node1: vifmgr: vifmgr.cluscheck.ctdpktloss:alert]: Continued packet loss when pinging from cluster lif Node1_clus2 (node Node1) to cluster lif Node2_clus2 (node Node2)
[Node3: vifmgr: vifmgr.cluscheck.ctdpktloss:alert]: Continued packet loss when pinging from cluster lif Node3_clus1 (node Node3) to cluster lif Node4_clus2 (node Node4)
- 因此、集群网络降级、并报告以下事件:
[Node1: vifmgr: callhome.clus.net.degraded:alert]: Call home for CLUSTER NETWORK DEGRADED: Large MTU Packet Loss - Ping failures detected between Node1_clus1 ( 169.254.XXX.XXX ) on Node1 and Node2_clus1 ( 169.254.XXX.XX ) on Node2
- 节点上的所有集群端口均配置了9000 MTU:
Cluster::> network port show
Node: Node1
Speed(Mbps) Health
Port IPspace Broadcast Domain Link MTU Admin/Oper Status
--------- ------------ ---------------- ---- ---- ----------- --------
e0a Cluster Cluster up 9000 auto/10000 healthy
e0b Cluster Cluster up 9000 auto/10000 healthy
Node: node2
Speed(Mbps) Health
Port IPspace Broadcast Domain Link MTU Admin/Oper Status
--------- ------------ ---------------- ---- ---- ----------- --------
e0a Cluster Cluster up 9000 auto/10000 healthy
e0b Cluster Cluster up 9000 auto/10000 healthy