Chapter 5
| VLAN Configuration
Configuring IP Subnet VLANs
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Command Usage
â—† Each IP subnet can be mapped to only one VLAN ID. An IP subnet consists of an
IP address and a mask. The specified VLAN need not be an existing VLAN.
â—† When an untagged frame is received by a port, the source IP address is checked
against the IP subnet-to-VLAN mapping table, and if an entry is found, the
corresponding VLAN ID is assigned to the frame. If no mapping is found, the
PVID of the receiving port is assigned to the frame.
â—† The IP subnet cannot be a broadcast or multicast IP address.
â—† When MAC-based, IP subnet-based, and protocol-based VLANs are supported
concurrently, priority is applied in this sequence, and then port-based VLANs
last.
Parameters
These parameters are displayed:
◆ IP Address – The IP address for a subnet. Valid IP addresses consist of four
decimal numbers, 0 to 255, separated by periods.
◆ Subnet Mask – This mask identifies the host address bits of the IP subnet.
◆ VLAN – VLAN to which matching IP subnet traffic is forwarded. (Range: 1-4094)
◆ Priority – The priority assigned to untagged ingress traffic. (Range: 0-7, where
7 is the highest priority; Default: 0)
Web Interface
To map an IP subnet to a VLAN:
1. Click VLAN, IP Subnet.
2. Select Add from the Action list.
3. Enter an address in the IP Address field.
4. Enter a mask in the Subnet Mask field.
5. Enter the identifier in the VLAN field. Note that the specified VLAN need not
already be configured.
6. Enter a value to assign to untagged frames in the Priority field.
7. Click Apply.
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