集群网络已降级：检测到CRC错误
适用场景
- ONTAP 9
- FAS / AFF 系统
- Broadcom BES-53248群集交换机
问题描述
- 连接到交换机1的节点1、2、3、4的集群端口e0a上出现集群网络降级警报。
[Node-01: vifmgr: callhome.clus.net.degraded:alert]: Call home for CLUSTER NETWORK DEGRADED: CRC Errors Detected - High CRC errors detected on port e0a node Node-01
[Node-02: vifmgr: callhome.clus.net.degraded:alert]: Call home for CLUSTER NETWORK DEGRADED: CRC Errors Detected - High CRC errors detected on port e0a node Node-02
ifstat输出显示CRC错误：
RECEIVE
Total frames: 96528m | Frames/second: 7110 | Total bytes: 484t
Bytes/second: 35692k | Total errors: 33617k | Errors/minute: 149
Total discards: 0 | Discards/minute: 0 | Multi/broadcast: 35072k
Non-primary u/c: 0 | CRC errors: 33612k | Runt frames: 0
RECEIVE
Total frames: 181g | Frames/second: 13425 | Total bytes: 1281t
Bytes/second: 94839k | Total errors: 2837k | Errors/minute: 13
Total discards: 0 | Discards/minute: 0 | Multi/broadcast: 34917k
- 交换机日志在端口0/3上记录RX错误。
(switch-sw1)#show interface counters
Port InOctets InUcastPkts InMcastPkts InBcastPkts InDropPkts Rx Error
--------- ---------------- ---------------- ---------------- ---------------- ---------------- ----------------
0/1 320472453420225 81458022930 686432 480451 6914 0
0/2 269864351312312 95015675213 686546 479365 7266 0
0/3 460585702841618 90372609823 685763 483814 664750 96081070 <---------
0/4 395263358211170 74120001967 686438 483028 10770 0
- 已将此连接移至交换机上的其他可用端口以缓解问题描述问题