Motorola 45101, T2-2500 manual 802.1Q VLANs, Vlan Specification, Vlan terminology, Tagged Untagged

Models: 45101 T2-2500

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VLANs

802.1Q VLANs

Note: The system requires a reboot after the “vlan enable” command. If the system is not rebooted, the webUI will not display the VLAN configuration and the CLI will not execute VLAN commands.

Note: VLAN configuration commands have changed with the 1.3.0 firmware release. Older commands are deprecated and will be removed in a future release.

VLAN Specification

VLAN modes:

Max number of VLANs: Valid VID range: Default PVID:

Default Egress:

Default Ingress:

IEEE 802.1Q standard compliant VLANs or Port-based VLANs on mT2 Switch

IEEE 802.1Q standard compliant VLANs on m2 WallPlates

128

1 – 4094

1

transmit untagged

Accept all packets

VLAN terminology

The T2 Switch is a VLAN switch. The WallPlate is also a VLAN switch. Therefore, be certain that packets traversing the DSL links between the T2 Switch and the WallPlate are always TAGGED.

PVID

Tagged

Untagged

In the 802.1Q standard, each port is assigned a PVID. This is the default VLAN ID assigned to untagged packets received (ingress) on that port. The PVID is sometimes called the port Native VLAN. By default, all ports are assigned VLAN 1.

T2 will optionally tag packets when transmitting (egress) on the port. Set the port as a tagged member of the VLAN by using the vlan membership egress command.

On the T2 Switch, the tag mode of a packet is determined PER VLAN, not per port. By comparison, the Cisco IOS only has a per port setting for tagging. This allows the T2 to support complex VLAN configurations not possible on other switches.

On the m2 WallPlate, the tag mode of a packet is determined PER PORT, similar to the Cisco IOS “trunk” mode.

T2 will optionally transmit (egress) packets without an 802.1Q VLAN tag. Use Untagged packets on any port that is connected to a non-VLAN aware device. For example; if a PC is connected to the WallPlate ports, packets will be untagged. This is similar to the Cisco IOS “access” mode of a switchport.

Motorola, Inc.

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Motorola 45101, T2-2500 manual 802.1Q VLANs, Vlan Specification, Vlan terminology, Tagged Untagged

45101, T2-2500 specifications

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