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You can create up to 16 VLANs, and you can also restrict any VLAN, and the computers on
it, from administering the Gateway.
•
VLAN Name
– A descriptive name for the VLAN.
•
Type
– LAN or WAN Port(s) can be enabled on the VLAN. You can choose a type desig-
nation as follows:
By-Port
: indicating that the VLAN is port-based. Traffic sent to this port will be treated
as belonging to the VLAN, and will not be forwarded to other ports that are not within a
common VLAN segment.
Global
: indicating that the ports joining this VLAN are part of a global 802.1q Ethernet
VLAN. This VLAN includes ports on this Router and may include ports within other
devices throughout the network. The VID in this case may define the behavior of traffic
between all devices on the network having ports that are members of this VLAN seg-
ment.
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•
VLAN ID
– If you select
Global
as the VLAN Type, the VLAN ID field appears for you to
enter a VID. This must be a unique identifying number between 1 and 4094. (A VID of
zero (0) is permitted on the Ethernet WAN port only.)
•
Admin Restricted
– If you want to prevent administrative access to the Gateway from
this VLAN, check the checkbox.
•
802.1p Priority Bit
: If you set this from the pull-down menu to a value greater than 0,
all packets of this VLAN with unmarked priority bits (pbits) will be re-marked to this prior-
ity.
Click the
Submit
button.
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The
Port Configuration
screen appears.
•
Port interfaces available for this VLAN are listed in the left hand column.
•
Displayed port interfaces vary depending on the kinds of physical ports on your Gate-
way, for example, Ethernet, USB, and/or wireless.
•
Also, if you have multiple wireless SSIDs defined, these may be displayed as well (See
Multiple Wireless IDs
on
page
136
)
•
For Motorola Netopia® VGx technology models, separate Ethernet switch ports are dis-
played and may be configured.
To enable any of them on this VLAN, check the associated
Enable
checkbox(es).
Typically you will choose a physical port, such as an Ethernet port (example:
eth0.1
) or
a wireless SSID (example:
ssid1
).
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•
When you enable an interface, the
Tag
,
Priority
, and
Promote
checkboxes and an
802.1p Priority Bit
pull-down menu appear for that interface.
Tag
– Packets transmitted from this port through this VLAN must be tagged with the
VLAN VID. Packets received through this port destined for this VLAN must be tagged
with the VLAN VID by the source. The Tag option is only available on
Global
type ports.
Priority
– Use any 802.1p priority bits in the VLAN header to prioritize packets within
the Gateway’s internal queues, according to DiffServ priority mapping rules.
Promote
– Write any 802.1p priority bits into the IP-TOS header bit field for received IP
packets on this port destined for this VLAN. Write any IP-TOS priority bits into the
802.1p priority bit field for tagged IP packets transmitted from this port for this VLAN.
All mappings between Ethernet 802.1p and IP-TOS are made according to a pre-defined
QoS mapping policy. The pre-defined mapping can now be set in the CLI. See
“
Queue
Confi
guration
” on page
231
.
802.1p Priority Bit
– If you set this field to a value greater than 0, all packets received
on this port with unmarked priority bits (pbits) will be re-marked to this priority. If the
port 802.1p PBit is greater than 0, the VLAN 802.1p PBit setting is ignored.
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•
Select an IP Interface for this VLAN. These selections will vary depending on your IP
interfaces. For example, if you have set up multiple VCCs, these will appear in the list
as
ip-vcc1
,
ip-vcc2
, and so forth.
•
When you select an IP interface, the screen expands to allow you to configure
Inter-
Vlan-Groups
.
Inter-VLAN groups allow VLANs in the group to route traffic to the others; ungrouped
VLANs cannot route traffic to each other.
•
Click the
Submit
button.
•
If you want to create more VLANs, repeat the process.
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