Bobcares

Unable to add multiple IP addresses in Proxmox LXC containers? Here’s how to fix it

PDF Header PDF Footer

By default, when an LXC container is created in Proxmox, it is assigned a single static IP to access it. Many a times, users require additionalĀ IPs in their containers.

MultipleĀ IP addresses are required in cases such asĀ multi-site WordPress hosting, multiple websites with SSL, high availability fail-over setup for services, network appliances like load balancer, etc.

But there may be situations when the IP is not listed when usersĀ try to add it or the added IP address does not show up in the container.

Why adding secondary IP addresses to Proxmox LXC containers fails?

Adding additional IP addresses can fail if you do not have additional IP addresses available in the server at all. It could be possible that that IP address is not allotted to your server.

The IP address, if not bound correctly to the network interface, will not list in the Proxmox machine. In such cases, its important to check the IP routing and bind it to the proper interface.

Another reason why the IP addition fails is the wrong configuration or parameters chosen while adding the IP.Ā Today we’ll seeĀ how to add a secondĀ IP address to Proxmox container.

How to addĀ multiple IP addresses inĀ Proxmox LXC container

It is possible to add multiple IPs to an LXC container from theĀ Proxmox VE management interface.

1. AddĀ extra IP address to the server

To add an IP, first make sure that extra IP address is available in the Proxmox machine.

2. Assign the additionalĀ IP address to the container

Once a free IP is available in the server, it can be added to the LXC container. Click on the container -> Network -> Add option to add a new network.

Enter the details such as ID, Name, IP address information as shown and ‘Add’ the IP address. The static IP we have added here is 172.17.4.45.

 

Add a second IP to the LXC container in Proxmox

Add a second IP to the LXC container in Proxmox

 

On successfully adding the second IP address, it will be listed in the ‘Network’ tab of the LXC container:

 

Second IP listed for LXC container in Proxmox

Second IP listed for LXC container in Proxmox

3. Verify the functionality of the additionalĀ IP addresses

On accessing the LXC container via Console, you can see both the IP addresses listed in it using the command ‘ifconfig’.

 

Two IPs listed in the LXC container in Proxmox

Two IPs listed in the LXC container in Proxmox

 

Accessing the container via the new IP address can confirm it is working fine. This additional IP address can be allocated to the services such as web, mail, SSL, etc.

In short..

Today we’ve discussed how to add additional IP addresses to LXC containers in Proxmox. Though its a simple process, care should be exercised in adding IPs.

AssigningĀ the IP to the correct interface is an important point. Here we saw how to add static IPv4 addresses. To add IPv6 address, a few more settings have to be done in the server.

There may be situations where the data center has not assigned the IP correctly or the system engineers have not configured it properly in the server.

In such cases, identifying the problem and making the additional IPs available, is important.Ā If you’d like to know how to do it for your servers, we’d beĀ happy to talk to you.

 

 

Get a FREE consultation

Do you spend all day answering technical support queries?

Wish you had more time to focus on your business? Let us help you.

We free up your time by taking care of your customers and servers. Our engineers monitor your servers 24/7, and support your customers over help desk, live chat and phone.

Talk to our technical support specialist today to know how we can keep your service top notch!

TALK TO AN EXPERT NOW!




Bobcares provides Outsourced Hosting Support for online businesses. Our services include Outsourced Web Hosting Support, Outsourced Server Support, Outsourced Help Desk Support, Outsource Live Chat Support and Phone Support Services.
0 Comments

Submit a Comment

Your email address will not be published. Required fields are marked *

Get featured on the Bobcares blog and share your expertise with a global tech audience.

WRITE FOR US

100% WHITE LABEL SUPPORT

Bobcares

Spend time on your business - not on tech support.

Tech support can keep you busy all day long. That is time you could use to focus on your business. Leave your end-user support to us, and use that time to focus on the growth and success of your business.

TALK TO SALES Or click here to learn more.
server management

Spend time on your business, not on your servers.

TALK TO US

Or click here to learn more.

Speed issues driving customers away?
We’ve got your back!