[SOLVED] Multiple IPs dedi for each vm 1ip

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Dk2014

Active Member
Sep 25, 2018
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I have a dedi with 5ip, this is interfaces config
additional ip don't have virtual mac address
Code: 
auto lo
iface lo inet loopback

# The primary network interface
allow-hotplug enp2s0f0
iface enp2s0f0 inet static
        address 1.2.3.100
        netmask 255.255.255.255
        gateway 100.64.1.9

allow-hotplug enp2s0f0:1
iface enp2s0f0:1 inet static
        address 1.2.3.101
        netmask 255.255.255.255
        gateway 100.64.1.9

allow-hotplug enp2s0f0:2
iface enp2s0f0:2 inet static
        address 1.2.3.102
        netmask 255.255.255.255
        gateway 100.64.1.9

allow-hotplug enp2s0f0:3
iface enp2s0f0:3 inet static
        address 1.2.3.103
        netmask 255.255.255.255
        gateway 100.64.1.9

allow-hotplug enp2s0f0:4
iface enp2s0f0:4 inet static
        address 1.2.3.104
        netmask 255.255.255.255
        gateway 100.64.1.9

I try using GUI create bridge connect enp2s0f0:1 to enp2s0f0:4 for each vm, vm can connect web
but can't use ip connect vm, ip still point to dedi
 
Last edited:
A bridge is a layer 2 device - just create one bridge - assign one ip for the node/dedi to it, and then configure the other ip's inside the vms
 
Stoiko Ivanov said:
A bridge is a layer 2 device - just create one bridge - assign one ip for the node/dedi to it, and then configure the other ip's inside the vms
Click to expand...
like this?
Code: 
auto lo
iface lo inet loopback

allow-hotplug enp2s0f0
iface enp2s0f0 inet static
        address 1.1.1.100
        netmask 255.255.255.255
        gateway 100.64.1.9

auto vmbr0
iface vmbr0 inet static
    address  1.1.1.100
    netmask  255.255.255.255
    gateway 100.64.1.9
    bridge_ports none
    bridge_stp off
    bridge_fd 0

then create lxc with ip: 1.1.1.101/32 gateway: 1.1.1.100

after change interfaces, i try
Code: 
service networking restart && ifdown enp2s0f0 && ifup enp2s0f0
a few seconds later, ssh disconnected, dedi offline, the isp did't have any control panel, so i must wait crontab reset interface hourly
 
do not configure an ip on the interface enp2s0f0 and instead add it as bridge_port to vmbr0 - also depending on your hoster your netmask (255.255.255.255) might be wrong (usually your gateway is in the same subnet and hence you have a netmask like 255.255.255.0) - do a quick search for your hoster and Proxmox on google - that usually shows people with similar setups.

check our reference documentation https://pve.proxmox.com/pve-docs/chapter-sysadmin.html#sysadmin_network_configuration
 
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Reactions: Dk2014
Stoiko Ivanov said:
do not configure an ip on the interface enp2s0f0 and instead add it as bridge_port to vmbr0 - also depending on your hoster your netmask (255.255.255.255) might be wrong (usually your gateway is in the same subnet and hence you have a netmask like 255.255.255.0) - do a quick search for your hoster and Proxmox on google - that usually shows people with similar setups.

check our reference documentation https://pve.proxmox.com/pve-docs/chapter-sysadmin.html#sysadmin_network_configuration
Click to expand...

Thank you, solved
just wait few minutes to reboot
Code: 
auto lo
iface lo inet loopback

iface enp2s0f0 inet manual

auto vmbr0
iface vmbr0 inet static
       address 1.1.1.100
       netmask 255.255.255.0
       gateway 100.64.1.9
       bridge_ports enp2s0f0
       bridge_stp off
       bridge_fd 0
 
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