change network card

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begeis

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May 11, 2024
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I am not a linus and not a Proxmox expert. I have one network card in my proxmox host and I want to change to a different card with higher speed.
The proxmox configuration before adding the new network card via USB 3.2:
1767895096894.png
after adding the new network card ... one more "Network Device":
1767895210976.png

Device overview after adding the new network card:
root@pve:/etc/network# lspci
00:00.0 Host bridge: Intel Corporation Device 4e28
00:02.0 VGA compatible controller: Intel Corporation JasperLake [UHD Graphics] (rev 01)
00:04.0 Signal processing controller: Intel Corporation Dynamic Tuning service
00:08.0 System peripheral: Intel Corporation Gaussian Mixture Model and Neural Network Accelerator (GNA)
00:14.0 USB controller: Intel Corporation Jasper Lake USB 3.1 xHCI Host Controller (rev 01)
00:14.2 RAM memory: Intel Corporation Jasper Lake Shared SRAM (rev 01)
00:14.3 Network controller: Intel Corporation Jasper Lake PCH CNVi WiFi (rev 01)
00:16.0 Communication controller: Intel Corporation Management Engine Interface (rev 01)
00:1c.0 PCI bridge: Intel Corporation Device 4dba (rev 01)
00:1c.4 PCI bridge: Intel Corporation Jasper Lake PCIe Root Port #5 (rev 01)
00:1f.0 ISA bridge: Intel Corporation Jasper Lake eSPI Controller (rev 01)
00:1f.3 Audio device: Intel Corporation Jasper Lake HD Audio (rev 01)
00:1f.4 SMBus: Intel Corporation Jasper Lake SMBus (rev 01)
00:1f.5 Serial bus controller: Intel Corporation Jasper Lake SPI Controller (rev 01)
01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8211/8411 PCI Express Gigabit Ethernet Controller (rev 15)
02:00.0 Non-Volatile memory controller: Toshiba Corporation BG3 x2 NVMe SSD Controller (DRAM-less) (rev 01)

Network interfaces:
root@pve:/etc/network# cat interfaces
auto lo
iface lo inet loopback

iface nic0 inet manual

auto vmbr0
iface vmbr0 inet static
address 10.49.101.8/24
gateway 10.49.101.1
bridge-ports nic0
bridge-stp off
bridge-fd 0

iface nic1 inet manual

source /etc/network/interfaces.d/*

How can I test the new card?
How to change configuration from current network card to new network card with the same IP-address?

Thanks for your help!
 
It is not recommended to use wireless network with PVE. There are many forum threads about users experiencing issues or offering solutions that worked for them.

https://pve.proxmox.com/wiki/WLAN

M

Thread 'Proxmox over WIFI (WLAN)'

Hi, I was trying to configure my proxmox server to connect to the internet via wifi, so I configured my /etc/network/interface like this
Code: 
auto lo
iface lo inet loopback

auto wlan0
iface wlan0 inet static
    address 192.168.1.2/24
    gateway 192.168.1.1
    bridge-std off
    bridge-fd 0
    wpa-essid [MyESSID]
    wpa-psk [MyPASSWORD]

The server is then able to connect to the internet without problems but due to the lack of a bridge I cannot connect the VMs to the internet. I then edited /etc/network/interfaces to

Code: 
auto lo
iface lo inet loopback

auto wlan0
iface wlan0 inet static...

J

[TUTORIAL] Thread 'HOWTO - Proxmox VE 8-1.2 Wifi w/ SNAT'

This is a HOWTO for configuring Wifi for Proxmox VE 8-1.2 w/ SNAT. I've read a bunch of various writeups but none of them are consistent so hopefully this will be a one-stop shop for people to get Wifi w/ SNAT configured. Hopefully this can be added to the Wiki.

Note: This configuration DOES NOT use DHCP for anything. It uses all static addressing.



Prerequisites:

1) Wired ethernet connection - this is required to install wpasupplicant

2) Configure your wifi router to route to networks that will be associated with wifi adapter. Example for /24 network:

Destination =...
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Blockbridge : Ultra low latency all-NVME shared storage for Proxmox - https://www.blockbridge.com/proxmox
 
If you do proceed you should be able to move vmbr0 from "ports/slaves" nic0 to the new NIC. Since you appear to have run the pinning tool to get the nic0/1 names you may want to do that on the new NIC. If anything I'd think a USB NIC would be more prone to name changing.

I've rarely used a USB NIC in any instance, however, in other settings I've seen discussions where a USB NIC doesn't exist yet at boot when interfaces are checked, which creates problems. I have no idea if that is relevant to Proxmox.
 
@begeis I'm not sure from your a little blurred screenshot, but I guess you want to use the card with a the name beginning with enx6c...

Then in /etc/network/interfaces add the line

iface enx6cSOMEHARDLYREADABLECHARACTERS inet manual

and in the paragraph

iface vmbr0 inet static
address 10.49.101.8/24
gateway 10.49.101.1
bridge-ports nic0
bridge-stp off
bridge-fd 0

replace nic0 with this hardly readable name :) .

Caution: copy your current file to other place like /root directory so that you have the working version in case you need to get back to it.

If you don't achieve the goal, post the result of ip a command in the CODE tags (using this button in the menu: < / >).
 
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Reactions: begeis
Onslow said:
@begeis I'm not sure from your a little blurred screenshot, but I guess you want to use the card with a the name beginning with enx6c...

Then in /etc/network/interfaces add the line

iface enx6cSOMEHARDLYREADABLECHARACTERS inet manual

and in the paragraph

iface vmbr0 inet static
address 10.49.101.8/24
gateway 10.49.101.1
bridge-ports nic0
bridge-stp off
bridge-fd 0

replace nic0 with this hardly readable name :) .

Caution: copy your current file to other place like /root directory so that you have the working version in case you need to get back to it.

If you don't achieve the goal, post the result of ip a command in the CODE tags (using this button in the menu: < / >).
Click to expand...
Thank you very much for your helping lines. I changed the file /etc/network/interfaces as described by you and it worked. Perfect!
1767944389064.png
The new network device is a 2.5G LAN-Adapter ... not WLAN as expected by others.
1767944711239.png
Thank you!
 
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