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4-2-3. VLAN Mode Configuration
Web Smart Switch supports Port-based VLAN and Tag-based VLAN (802.1q).
Its VLAN mode supports 16 active VLANs and the available VLAN ID range is from
1~4094. VLAN configuration is used to divide a LAN into smaller ones. With proper
configuration, you can gain not only improved security and increased performance,
but also save a lot of VLAN management effort.
Function name:
VLAN Mode Setting
Function description:
The VLAN Mode Selection function includes four modes: Port-based, Tag-
based, Metro mode or Disable, you can choose one of them by pulling down
list and pressing the <Downward> arrow key. Then, click <Apply> button, the
settings will take affect immediately.
Parameter description:
VLAN Mode:
Port-based:
Port-based VLAN is defined by port. Any packet coming in or
outgoing from any one port of a port-based VLAN will be accepted.
No filtering criterion applies in port-based VLAN. The only criterion
is the physical port you connect to. For example, for a port-based
VLAN named PVLAN-1 contains port members Port 1&2&3&4. If
you are on the port 1, you can communicate with port 2&3&4. If you
are on the port 5, then you cannot talk to them. Each port-based
VLAN you built up must be assigned a group name. This switch can
support up to maximal 16 port-based VLAN groups.
Tag-based:
Tag-based VLAN identifies its member by VID. This is quite
different from port-based VLAN. If there are any more rules in
ingress filtering list or egress filtering list, the packet will be
screened with more filtering criteria to determine if it can be
forwarded. The switch supports supplement of 802.1q. For more
details, please see the section VLAN in Chapter 3.
Each tag-based VLAN you built up must be assigned VLAN name
and VLAN ID. Valid VLAN ID is 1-4094. User can create total up to
24 Tag VLAN groups.
Double-tag:
Double-tag mode belongs to the tag-based mode, however, it would
treat all frames as the untagged ones, which means that tag with
PVID will be added into all packets. Then, these packets will be
forwarded as Tag-based VLAN. So, the incoming packets with tag
will become the double-tag ones.
Metro Mode:
The Metro Mode is a quick configuration VLAN environment
method on Port-based VLAN. It will create 13, 14, 15 or 16 Port-