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Chapter 4 - Operation and Administration
BreezeACCESS VL System Manual
166
4.2.6.4 Bridge Parameters
The Bridge Parameters menu provides a series of parameter sets that enables
configuring parameters such as control and filtering options for broadcast
transmissions, VLAN support, and Type of Service prioritization.
The Bridge Parameters menu includes the following options:
VLAN Support
Ethernet Broadcast Filtering (SU only)
Ethernet Broadcast/Multicast Limiter
Bridge Aging Time
Roaming Option (SU only)
Broadcast/Multicast Relaying (AU only)
Unicast Relaying (AU only)
MAC Address List (AU only)
4.2.6.4.1 VLAN Support
The VLAN Support menu enables defining the parameters related to the IEEE
802.1Q compliant VLAN aware (Virtual LAN aware) feature of the units. Each
VLAN includes stations that can communicate with each other, but cannot
communicate with stations belonging to different VLANs. The VLAN feature also
provides the ability to set traffic priorities for transmission of certain frames. The
information related to the VLAN is included in the VLAN Tag Header, which is
inserted in each frame between the MAC header and the data. VLAN
implementation in BreezeACCESS VL units supports frame routing by port
information, whereby each port is connected to only one VLAN.
The system also supports the 802.1 QinQ standard, which defines the way to
have 2 VLAN tags (double-tagged frames). This procedure allows an additional
VLAN tag, called Service Provider VLAN tag, to be inserted into an existing
IEEE 802.1Q tagged Ethernet frame. This is a solution to transport multiple
customers’ VLANs across the service provider’s network without interfering with
each other.
The VLAN Support menu includes the following parameters:
VLAN Link Type