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。
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This article is not tied to any specific product.
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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。
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:
使用 PuTTY 或 SSH 登录 IDPA 的 ACM
应采取的步骤:
- grep -i duplicate /var/log/messages
寻找任何重复项
- 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)
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)
- 使用 PuTTY 或 SSH 登录 vCenter
命令:shell
在 shell 中键入:ifconfig
- 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 ApplianceArticle Properties
Article Number: 000182705
Article Type: Solution
Last Modified: 05 Aug 2021
Version: 4
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