华三5500交换机上存储设备时而无法登陆，甚至不通

最近存储的人员反应，存储设备有时能上去，有时候不能上去，看了日志后我怀疑是ARP攻击一下是交换机日志，麻烦大佬帮我确认一下。

%Jul 28 21:58:22:711 2002 cunchudaiwai-5500 ARP/5/ARP_DUPLICATE_IPADDR_DETECT: Detected an IP address conflict. The device with MA%Jul 28 21:58:22:711 2002 cunchudaiwai-5500 ARP/5/ARP_DUPLICATE_IPADDR_DETECT: Detected an IP address conflict. The device with MAC address 8cfd-18f5-5524 connected to GigabitEthernet2/0/40 in VLAN 244 and the device with MAC address 8cfd-18f5-5524 connected to Bridge-Aggregation30 in VLAN 244 are using the same IP address 10.7.244.64. %Jul 28 21:58:42:706 2002 cunchudaiwai-5500 ARP/5/ARP_DUPLICATE_IPADDR_DETECT: Detected an IP address conflict. The device with MAC address fcbc-d15d-8571 connected to GigabitEthernet2/0/43 in VLAN 244 and the device with MAC address fcbc-d15d-8571 connected to Bridge-Aggregation30 in VLAN 244 are using the same IP address 10.7.244.67. %Jul 28 21:59:59:711 2002 cunchudaiwai-5500 ARP/5/ARP_DUPLICATE_IPADDR_DETECT: Detected an IP address conflict. The device with MAC address 8cfd-18f5-55e8 connected to GigabitEthernet2/0/39 in VLAN 244 and the device with MAC address 8cfd-18f5-55e8 connected to Bridge-Aggregation30 in VLAN 244 are using the same IP address 10.7.244.63. %Jul 28 22:00:03:667 2002 cunchudaiwai-5500 ARP/4/RATELIMIT: The ARP packet rate(95pps) exceeded the rate limit(50pps) on interface GigabitEthernet2/0/47 in the last 60 seconds. %Jul 28 22:00:03:668 2002 cunchudaiwai-5500 ARP/4/RATELIMIT: The ARP packet rate(95pps) exceeded the rate limit(50pps) on interface GigabitEthernet2/0/48 in the last 60 seconds. %Jul 28 22:00:15:559 2002 cunchudaiwai-5500 ARP/5/ARP_DUPLICATE_IPADDR_DETECT: Detected an IP address conflict. The device with MAC address fcbc-d15d-85cc connected to GigabitEthernet2/0/41 in VLAN 244 and the device with MAC address fcbc-d15d-85cc connected to Bridge-Aggregation30 in VLAN 244 are using the same IP address 10.7.244.65. %Jul 28 22:00:22:134 2002 cunchudaiwai-5500 ARP/5/ARP_DUPLICATE_IPADDR_DETECT: Detected an IP address conflict. The device with MAC address 8cfd-18f5-5025 connected to GigabitEthernet2/0/37 in VLAN 244 and the device with MAC address 8cfd-18f5-5025 connected to Bridge-Aggregation30 in VLAN 244 are using the same IP address 10.7.244.61. %Jul 28 22:01:03:261 2002 cunchudaiwai-5500 ARP/4/RATELIMIT: The ARP packet rate(91pps) exceeded the rate limit(50pps) on interface GigabitEthernet2/0/47 in the last 60 seconds. %Jul 28 22:01:03:263 2002 cunchudaiwai-5500 ARP/4/RATELIMIT: The ARP packet rate(90pps) exceeded the rate limit(50pps) on interface GigabitEthernet2/0/48 in the last 60 seconds.