VLAN Management
VLAN Groups
Cisco 350, 350X and 550X Series Managed Switches, Firmware Release 2.4, ver 0.4 245
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STEP 4 Click Apply to set the mapping of the VLAN group to the VLAN. This mapping does not bind
the interface dynamically to the VLAN; the interface must be manually added to the VLAN.)
Subnet-Based VLAN Groups Overview
The subnet-based group VLAN classification enable packets to be classified according to their
subnet. You can then define subnet-to-VLAN mapping per interface.
You can define several subnet-based VLAN groups, which each group containing different
subnets.
These groups can be assigned to specific ports/LAGs. Subnet-based VLAN groups cannot
contain overlapping ranges of subnets on the same port.
Workflow
To define a subnet-based VLAN group:
1. Define a subnet-based group (using the Subnet-Based Groups page).
2. For each required interface, assign the subnet-based group to a VLAN (using Subnet-Based
Groups to VLAN page). The interfaces cannot have a Dynamic VLAN (DVA) assigned to
it. In IS mode, the setting can be saved even when the device is not in general mode, to be
activated later.
NOTE If the interface does not belong to the VLAN, manually assign it to the VLAN using
the 'port to VLAN' page. Otherwise, the Subnet-based Groups to VLAN setting will not take
effect.
3. There is no limitation between DVA and subnet based groups.
Subnet-Based Groups
To add a subnet-based group:
STEP 1 Click VLAN Management > VLAN Groups > Subnet-Based Groups.
STEP 2 Click the Add Button.
STEP 3 Enter the following fields:
• IP Address—Enter the IP address on which the subgroup is based.
• Prefix Mask—Enter the prefix mask that defines the subnet.
• Group ID—Enter a group ID.
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