Proxmox Setup with PFsense on OVHCLOUD KimSufi.

michaelscott88

Hi All,

Thanks for your replys on my previous post. I went ahead and ended up purchasing a Kimsufi server from OVHcloud.

I DIDNT read I was limited to 1 x ipv4 address!

I have installed Proxmox, It is sitting and accessible over IPV4 and Reverse DNS.

I am needing to setup something where my VM'S/Containers can access the internet sharing the same IP (as limited to 1)

Looking online it seems I need to setup PFsense to act as a router (like in a home network) and have the Vms/Containers attached to that.

It seems I need to pass the MAC to the PFsense VM so that it works.

Would anyone beable to point me in the right direction? I am a little out of my usual depth of a Raspberry pi with docker! But never a bad idea to get stuck in at the deep end!

Ponury_Typ

You don't need pfsense for that, just use iptables.

michaelscott88

@Ponury_Typ said:
You don't need pfsense for that, just use iptables.

Could you point me in a direction? New to this, I have used UFW in the past.

Ponury_Typ

Look for masquerading (https://pve.proxmox.com/wiki/Network_Configuration#sysadmin_network_masquerading) and PREROUTING with iptables
Example: https://gist.github.com/basoro/b522864678a70b723de970c4272547c8

six

If you really want to go down the pfsense route, you just need to add a new network bridge with the CIDR you want in proxmox and assign the bridge to all your VMs and pfsense. Just configure the public IP interface as a WAN, and the bridge as a LAN.

bruh21

https://lowendtalk.com/discussion/182736/basic-setup-of-proxmox-in-an-ovh-environment-kimsufi-example-with-nat-and-ipv6-enabled-containers

This guide will get you IPv4 connectivity as well as IPv6 if you are interested in that.

@Maounique

asdatasd

add this to the /etc/network/interfaces

    post-up iptables -t nat -A POSTROUTING -s '172.16.0.0/12' -o vmbr0 -j MASQUERADE
    post-down iptables -t nat -D POSTROUTING -s '172.16.0.0/12' -o vmbr0 -j MASQUERADE

And then the VMs you assign should have the range under that subnet.
It will have network connectivity.

@bruh21 said:
https://lowendtalk.com/discussion/182736/basic-setup-of-proxmox-in-an-ovh-environment-kimsufi-example-with-nat-and-ipv6-enabled-containers

This guide will get you IPv4 connectivity as well as IPv6 if you are interested in that.

@Maounique

This guide will serve you extremely well.