XenServer Network (LACP Bond, VLAN and Bonding) Configuration – Part 3

Step 4: XenServer Active/Passive Network Bonding

Now let’s take a look at storage and management traffic. This server currently only has two PIFs left for use and as such there are two options for how to proceed.

Each of the remaining PIFs could be used for one type of traffic or the two PIFs could be bonded together in an active/passive fail-over with both management and storage traffic going across the same set of PIFs (please note that according to Citrix, the management interface doesn’t support load balancing).

This process will be completed in a similar fashion to the LACP bond previously. The first step is to create the network for this bond.

# xe network-create name-label="Management/Storage Bond"
# xe network-list name-label="Management/Storage Bond"
Create XenServer Active/Passive Bonding
Create XenServer Active/Passive Bonding
Confirm XenServer Active/Passive Bonding
Confirm XenServer Active/Passive Bonding

Again don’t forget to keep track of the UUID as it will be needed to attach PIFs to the bond network that is about to be created. The next step is to actually create the bond and in order to do this, the UUID for the other two PIFs will need to be determined.

# xe pif-list device=eth2 
# xe pif-list device=eth3
# xe bond-create mode=active-backup network-uuid=<network_UUID> pif-uuids=<PIF_UUIDs>

Be sure to substitute the proper information from the prior commands for the UUIDs in the last command. At this point the system will return the UUID of the bond that was created.

Create XenServer Network Bond
Create XenServer Network Bond

Then the creation of the bond can be confirmed with another xe command.

# xe bond-list 
Confirm XenServer Network Bond UUID's
Confirm XenServer Network Bond UUID’s

From the output here, the UUIDs of the bonds can be compared. Notice that the second UUID matches the UUID returned from the bond-create command in the above photo.

At this point the 4 PIF interfaces on this XenServer are members of bonds. One of the bonds is a trunk and has one VLAN tag network ready to be sent across this trunk bond. The other bond is an active/passive bond that is used for network storage as well as management of the XenServer itself.

For illustrative purposes, once these networks have been created, they can also be verified within Citrix’s XenCenter application rather than the command line. This guide has used the CLI for these tasks as XenCenter is not installable on Linux.

Verify XenServer Network Configuration
Verify XenServer Network Configuration

This concludes this brief introduction to networking in XenServer. The next article in this series will begin working with XenServer storage solutions. Please feel free to leave any comments or questions below!

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4 thoughts on “XenServer Network (LACP Bond, VLAN and Bonding) Configuration – Part 3”

  1. Thanks, Rob:

    Can you recommend some way of identifying the UUID of the XenServer host’s Primary Management Interface (PMI) from the command-line?

    Eric Pretorious
    Portland, Oregon

    • Eric,

      Sure! xe pif-list management=true host-name-label= or if you want only the UUID only you can run the following command: xe pif-list management=true host-name-label= | head -1 | awk -F ‘: ‘ ‘{print $2}’

      xe pif-list management=true host-name-label=


      uuid ( RO) : 2ba82249-cc18-8525-3a3a-289890665e08
      Device ( RO): eth0
      currently-attached ( RO): true
      VLAN ( RO): -1
      network-uuid ( RO): 5798e0f4-d84a-ae3e-c090-709f70a016ac

      xe pif-list management=true host-name-label= | head -1 | awk -F ‘: ‘ ‘{print $2}’





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