Adding multiple IP's

[MartinPorter]

HI all,
Can anyone tell me or point me in the right direction to adding multiple Ip's into an VM - What I'm trying to do is setup a VM Plesk server using AlmaLinux for the os
the server is from OVH with 5 extra IP's. To use the extra IP's in OVH you have to assign each one with a Virtual MAC address which is fine when you come to setup in VM, just edit the Network Device with the one of the extra IP's Mac and bingo it's working on that IP. Now since the goal is to run PLESK I need to add more IP's onto the system.

I have tried everything from adding more nics - to modifying the network-scripts - One IP your fine not a problem add extra IP's and it's hair pulling time.
thanks for reading and hopefully someone can help me out.

regards
Martin.

 

[bbgeek17]

You havent described what the exact problem is, just that something is not working. With that in mind you should start your reading here:
https://serverfault.com/questions/415304/multiple-physical-interfaces-with-ips-on-the-same-subnet
found via "linux multiple same subnet ip" search.

---

Blockbridge : Ultra low latency all-NVME shared storage for Proxmox - https://www.blockbridge.com/proxmox

 

[MartinPorter]

Hi Bbgeek,
I'll try to described the problem better. I need to have multiple Ip's on one nic.

​

 

[bbgeek17]

https://docs.hetzner.com/robot/dedicated-server/ip/additional-ip-adresses/
https://ostechnix.com/how-to-assign-multiple-ip-addresses-to-single-network-card-in-linux/
https://serverfault.com/questions/1043430/multiple-ip-addresses-set-the-primary

It seems that you are doing this in a VM? If you are, then its not really a "Proxmox Installation and Configuration" related activity.

---

Blockbridge : Ultra low latency all-NVME shared storage for Proxmox - https://www.blockbridge.com/proxmox

 

[MartinPorter]

thanks for the links and yep, it seems I have posted this in the wrong room! (my apologies to everyone) if there any mods around could you please move this question to the correct room. thanks, and thanks again for the help.

 

[maxgdias]

thanks for the links and yep, it seems I have posted this in the wrong room! (my apologies to everyone) if there any mods around could you please move this question to the correct room. thanks, and thanks again for the help.

Hi Martin.
Did you solve this?
I have same problem. I have one VM with WHM and i need add extra ips.
Some clients sites have static ip.
I try add multiple nics, any nic with specific OVH mac address.
I configure nic in VM and they show in WHM, but when i change site IP to this extra ip i cant access site.
Any idea please?

 

[maxgdias]

Hi Martin.

The problem was related with OVH Cloud MAC Addreess and not VM or Proxmox configuration.

When you want to add multiple IPs of the same NIC, you have to ensure to have the same MAC address assigned to all your IPS. This is done through the OVH manager (select your IP -> add virtual MAC -> select an existing one).

I found the solution in this post:
https://forum.proxmox.com/threads/adding-a-second-public-ip-on-a-vm.49682/