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Chapter
Advanced Configuration
5
Wreless-G Busness Ethernet Brdge
802.1Q
In 802.1Q-based VLAN mode, tags are inserted into the
data packets to distinguish between different VLANs.
Switch > VLAN - 802.1Q
A VLAN can include any of the five physical Ethernet ports
(ports 1-5) as well as port 6, which controls the wireless
interface and CPU access (management traffic and web-
based utility access).
NOTE:
The default 802.1Q settings define one
VLAN whose VLAN ID (VID) is 1 and which
includes ports 1-6. This is to allow access to
the web-based utility from any of the ports.
In addition, port 1 and port 6 (Wireless & CPU
port) are permanently defined as part of VLAN
1; these settings cannot be changed. This
ensures that you can always access the web-
based utility through at least port 1, regardless
of your particular 802.1Q VLAN settings.
You can create up to 16 VLANs on the Switch. The valid
VLAN ID range is 1-4095. A VLAN with ID 1 has been pre-
configured by default and cannot be deleted.
80.Q VLAN Port Settng
Each row of the table
corresponds to one port. For each port, configure the
802.1Q VLAN settings, then click
Apply 80.Q VLAN
settngs
.
Default VID
The default VLAN ID (VID) for this port.
Port 1 and port 6 are set to 1 permanently. All other
ports are set to
by default but may be changed.
Acceptable Frame Type
Select the type of frame to
accept, either
All Frames
(default) or
Tagged Only
.
Ingress Flterng
Select this option to enable ingress
filtering. Ingress filtering allows only packets with
VLAN IDs that are configured in the port’s membership
table.. This option is not selected by default.
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The following summarizes 802.1Q VLAN operation when a
packet is received on a port:
If the packet has an 802.1Q tag, then go to step 3. If it
does not have an 802.1Q tag, then continue to step 2.
If the Acceptable Frame Type field is set to
Tagged
Only
, then the packet is dropped. Otherwise, an
802.1Q tag with the default VLAN ID is inserted.
If Ingress Filtering is disabled, then the frame is
accepted.
If Ingress Filtering is enabled, then the membership
table is checked to see if it contains the tag ID. If the
ID is not found, the packet is dropped; otherwise the
packet is accepted.
VLAN Membershp Confguraton
This is located on the
bottom half of the page. You use these fields to create the
VLAN membership table.
ID #
Enter the ID number of the VLAN to be created or
modified. The valid range is 2 to 4095. Note that VLAN
#1 is created by default and cannot be removed. By
default all ports are part of VLAN #1 with membership
status set to UnTag.
Port -
For each VLAN ID to be created or modified,
you can select the membership status for its ports from
these drop-down menus. The default is
Drop
.
Drop
This port will not be part of the VLAN.
UnTag
This port will be part of the VLAN and
frames will exit this port without an 802.1Q tag.
Tag
This port will be part of the VLAN and frames
will exit this port with an 802.1Q tag.
Add/Modfy Entry
After you have entered the VLAN
ID # and selected the membership status for its ports,
click
Add/Modfy Entry
to add or modify the entry in
the VLAN membership table.
Delete VLAN Entry
Select the VLAN(s) to be deleted
and click
Delete VLAN Entry
to remove those entries.
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