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The IP/NIC, IPMultiNIC/MultiNICA, and IPMultiNICB/MultiNICB agents support 802.1Q trunking.
To use 802.1Q trunking, create 802.1Q trunked interfaces over a physical interface using the System Administration Manager (SAM). The physical interface is connected to a 802.1Q trunked port on the switch.
The NIC, and MultiNICA agents can monitor these trunked interfaces. The IP and IPMultiNIC agents monitor the virtual IP addresses that are configured on these interfaces.
For example, create a 802.1Q interface called lan9000 over a physical interface called lan0. Do not configure an IP address on lan0. You connect lan0 to a trunked port on the switch. The NIC and IP agents can then monitor lan9000 and the virtual IP address configured on lan9000. You must make sure that the IP addresses that are assigned to the interfaces of a particular VLAN are in the same subnet.