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BreezeMAX Modular Base Station System Manual

221

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If VLAN Transparency Mode is Off, the frames will be forwarded with their 
original 802.1p value and the configured VPL ID. If no VPL ID is configured 
(VPL ID = Null), the 802.1p tags will not be forwarded.

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If VLAN Transparency Mode is On, the frames will be forwarded without 
any change (with the original 802.1p value and VLAN ID, if exists).

If DSCP classification is used at the SU, the original DSCP bits will be replaced 
by the configured DSCP Marking Value.

The Priority Marking Value enables definition of the marking value for data frames 
transmitted to the backbone, according to the configured Priority Marking Mode:

The Forwarding Rule to be used by the Service Profile. The Forwarding Rule 
parameter is not applicable to transparent Service Profiles (VLAN Transparency 
Mode On), as all transparent Service Profiles share the same pre-defined 
Forwarding Rule.

The Forwarding Rule must be one of the names that exist in the database after 
being defined using the Forwarding Rule menu. The Service Type defined in the 
selected Forwarding Rule must match the one defined for the Service Profile. 
However, L2 Forwarding Rule can be used in a VoIP Service Profile, and vice versa.

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PPPoE frames can be marked only with 802.1p. DSCP marking for PPPoE services is not 
supported.

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In L2 Services, many protocols may be carried over Ethernet. As BreezeMAX bridges all these 
protocols, there's no way to know what protocol type is encapsulated in Ethernet beforehand. 
Consequently, if DSCP Marking is configured for L2, the BreezeMAX system uses DSCP 
marking only for IP packets (e.g. Ethertype 0x0800). If 802.1p Marking is configured, it is used 
for all frames.

Transparent

Not Applicable

802.1p

0 - 7

DSCP

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