VLAN Management
Regular VLANs
230 Cisco 350, 350X and 550X Series Managed Switches, Firmware Release 2.4, ver 0.4
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STEP 3 Assign interfaces to VLANs as described in the Port to VLAN section or the Port VLAN
Membership section.
STEP 4 View the current VLAN port membership for all the interfaces as described in the Port VLAN
Membership section.
1. If required, configure VLAN groups as described in the MAC-Based VLAN Group
Overview and Subnet-Based VLAN Groups Overview sections.
2. If required, configure TV VLAN as described in the Access Port Multicast TV VLAN and
Customer Port Multicast TV VLAN sections.
Default VLAN Settings
The device automatically creates VLAN 1 as the default VLAN, the default interface status of
all ports is Access, and all ports are configured as untagged members of the default VLAN.
The default VLAN has the following characteristics:
• It is distinct, non-static/non-dynamic, and all ports are untagged members by default.
• It cannot be deleted.
• It cannot be given a label.
• It is automatically used as the voice VLAN for OUI-enabled voice VLAN.
• If a port is no longer a member of any VLAN, the device automatically configures the
port as an untagged member of the default VLAN. A port is no longer a member of a
VLAN if the VLAN is deleted or the port is removed from the VLAN.
• RADIUS servers cannot assign the default VLAN to 802.1x supplicants by using
Dynamic VLAN Assignment.
VLAN Settings
You can create a VLAN, but this has no effect until the VLAN is attached to at least one port,
either manually or dynamically. Ports must always belong to one or more VLANs.
The device supports up to 4K VLANs, including the default VLAN.
Each VLAN must be configured with a unique VID with a value from 1 to 4094. The device
reserves VID 4095 as the Discard VLAN. All packets classified to the Discard VLAN are
discarded at ingress, and are not forwarded to a port.
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