Configuring VLANs on Multiple Subnets

To configure a single VLAN across multiple subnets, you must add a VIP for the VLAN and configure the routing appropriately. The following figure shows a single VLAN configured across multiple subnets.

Figure 1. Multiple Subnets in a Single VLAN

vlan single vlan

To configure a single VLAN across multiple subnets, perform the following tasks:

  1. Disable Layer 2 mode. For the procedure to disable Layer 2 mode, see Packet forwarding modes.

  2. Add a VIP address. For the procedure to add a VIP address, see Configuring and Managing Virtual IP Addresses (VIPs).

  3. Configure RNAT rule. For the procedure to configure the RNAT ID, see Configuring RNAT.

Configuring VLANs on Multiple Subnets

In this article