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IDPA:同一 IP 有多个 MAC

Summary: 用户的网络团队在报告和融合备份一体机 (IDPA) 的交换机日志中看到警报。该警报表明交换机上多个 MAC 地址具有相同的 IP 地址。

This article applies to This article does not apply to This article is not tied to any specific product. Not all product versions are identified in this article.

Symptoms

融合备份一体机 (IDPA) 未有任何迹象表明问题来自任何用户,也未有任何迹象表明问题来自戴尔支持部门。创建案例的唯一问题和原因是验证 IDPA 是否正常工作。

交换机收到警报和通知,指出 IDPA 的同一 IP 地址重新发送了 2 个 MAC 地址。

Cause

要确认并验证此问题,请运行以下命令:   

使用 PuTTY 或 SSH 登录 IDPA 的 ACM

应采取的步骤:  
  1. grep -i duplicate /var/log/messages 
寻找任何重复项
  1. ifconfig 
eth0 Link encap:Ethernet HWaddr xx:xx:xx:xx:xx:01 inet addr:192.168.100.100 Bcast:192.168.100.127 Mask:255.255.255.224 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:370855703 errors:0 dropped:19253 overruns:0 frame:0 TX packets:50713660 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:524843088567 (500529.3 Mb) TX bytes:13145486953 (12536.5 Mb) 

eth1 Link encap:Ethernet HWaddr xx:xx:xx:xx:xx:02 inet addr:xxx.xxx.xxx.xxx Bcast:xxx.xxx.xxx.xxx Mask:255.255.254.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:2048235050 errors:0 dropped:117673 overruns:0 frame:0 TX packets:309593903 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:2877892641220 (2744572.2 Mb) TX bytes:80056040523 (76347.3 Mb) 

lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 UP LOOPBACK RUNNING MTU:65536 Metric:1 RX packets:342092033 errors:0 dropped:0 overruns:0 frame:0 TX packets:342092033 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:117299088590 (111865.1 Mb) TX bytes:117299088590 (111865.1 Mb) 
  1. 使用 PuTTY 或 SSH 登录 vCenter 
命令:shell
在 shell 中键入:ifconfig
  1. 比较并确保 MAC 地址与交换机日志中列出的 MAC 地址相同。 

Resolution

设计如此。这是交换机的误报。网络团队可以在交换机中将此警报静音,因为交换机在正常工作,所以不是问题。

Affected Products

PowerProtect Data Protection Appliance
Article Properties
Article Number: 000182705
Article Type: Solution
Last Modified: 05 Aug 2021
Version:  4
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