Alvarion SW VERSION 5.1 Trunk Link, Vlan Data Port Functionality Access Link Action Data Port SU

Chapter 4 - Operation and Administration

Table 4-7: VLAN Data Port Functionality - Access Link

Action	Data Port - SU
Receive from Ethernet	Untagged frames
Accept from Wireless	Tagged frames, matching VID-D
Tag Insert	VID-D, PID-D (to wireless)
Tag Remove	Yes (to Ethernet)

Table Legend:

„VID-D: VLAN ID-Data

„PID-D: VLAN Priority-Data

4.2.6.4.1.3.2Trunk Link

Trunk Link transfers only tagged frames, as all devices connected to the unit are VLAN aware. Only tagged data frames received on the Ethernet or wireless link ports are forwarded.

CAUTION

It is not recommended that you configure a unit as a Trunk Link with the VLAN ID-Management parameter set at 65535, as it does not forward any 'NO VLAN' management frames to its other port, making it impossible to manage devices connected behind the unit that are also configured with 'NO VLAN'.

If the VLAN Forwarding option is enabled, a data frame received with a VLAN ID that is not a member of the unit's VLAN Forwarding List is discarded.

NOTE

If the VLAN Forwarding option is enabled, be sure to include the VLAN ID-Managementvalue of all units that should be managed via the wireless port of the unit, in the Forwarding List.

If the VLAN Relaying option is enabled in an AU, a data frame relayed with a VLAN ID that is not a member of the unit's VLAN Relaying List is discarded.

NOTE

If the VLAN Relaying option is enabled and you manage your devices from behind an SU unit, be sure to include the VLAN ID-Managementvalue of all units to be managed when relaying via the wireless port of the AU unit, in the Relaying List. If the VLAN Forwarding option is also enabled in the AU, these VLAN IDs should also be included in the Forwarding List.

Table 4-8 summarizes the functionality of the data port for a Trunk link.

BreezeACCESS VL System Manual

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