NIC switching mode
The following shows the operational state of GLS in the virtual machine function.
If GLS on the guest domain is using the primary interface (eth0), perform HUB monitoring (using ping) for HUB1 via peth0. If a failure occurs on HUB1, GLS on the guest OS maintains communications by switching from the primary interface (eth0) to the secondary interface (eth1).
In addition, perform HUB monitoring (using ping) for HUB 2 via peth1 after the NIC has been switched because eth1 is used for the NIC in use.
Fast switching mode
The following shows the operational state of GLS in the virtual machine function.
GLS on the guest OS uses eth0 and eth1 at the same time to monitor the application communications and transfer route. If a failure occurs on HUB1, GLS on the guest OS stops using eth0 and maintains communications using only eth1.