Citrix SD-WAN Platforms
For sharing the Physical NIC between the VMs which are on the same host, the source modes that can
be used according to KVM networking is MACVTAP Bridge or Linux Bridge.
How to use linux bridge
• Create Bridge using “brctl” on the Host (KVM Hypervisor level).
• Associate the required Physical NIC to the bridge created (using brctl commands).
• These bridges created at the Hypervisor level must be now associated to the SD-WAN VM.
• Primary and Secondary VMs are now associated with the Linux bridges created.
To create linux bridge and associate it with virtual machine:
• Adding bridge, brctl addbr ha-brwan1
• Associating physical NIC to the bridge ha-brwan1: brctl addif ha-brwan1 eth3
• Associating the bridge “ha-brwan1” to the SD-WAN-SE (Virtual WAN) (both Physical and Sec-
ondary)
1. When adding network interface, select Network source as “Specify shared device name.”
2. Under Bridge Name, provide the name of the bridge created.
3. Device Model must always be “virtio.”
Create bridges for LAN and WAN interfaces. The following snapshot depicts the way to associate inter-
face to SDWAN-SE using Virtual Machine Manager.
Note
These steps must be followed only when both Primary and Secondary high availability node is
present on the same KVM Hypervisor/Host. In case, if high availability nodes are present on dif-
ferent Hypervisors then MACVTAP: Passthrough source mode can be used.
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