[SOLVED] The PVE can see the correct NIC information, but the two IP addresses on the Intranet correspond to one NIC?

D

dater

New Member
Jul 9, 2022
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My server has two nics,the two nics are connected to the same switch,after the PVE installation, I set different IP addresses for them in the GUI, but strangely, I did get the same MAC address in the Intranet, which means the Settings did not take effect and the network traffic did not go through the correct channel.



As a result, the traffic of both IP addresses is on the same NIC. When I disconnect one NIC, the traffic of both IP addresses is interrupted



My server is huawei r2288h v5, and the nic I use is Intel x520-sr2. I thought the problem was caused by the nic, so I installed windows2022 system and conducted the experiment on the server. The correct mapping between IP and MAC can be obtained on the Intranet.which means ip and mac is good

Is there a bug in the PVE or Debian11 network, or my operation is incorrect, or I need to install the NIC driver of Intel X520-SR2?
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Last edited:
bobmc said:
Is this on the same 192.168.1.0 subnet as the proxmox host?
Click to expand...
This link is a detailed description of the problem. After I changed the two nics to different IP segments, the problem was solved. For example: It was 192.168.1.117/24 and 192.168.1.118/24 before, but changed to 192.168.1.117 and 192.168.3.118. Thank you very much for your reply and help. However, my skills are not enough for me to update NIC firmware or BIOS firmware, I am a novice in IT ~~
 
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