Chapter 5: Radio Configuration
Configuring Header De-Duplication and Frame Cut-
Through
phn-3963_004v000
Page 5-10
Configuring Header De-Duplication and Frame Cut-
Through
Header De-Duplication is supported for PTP 820C and PTP 820S.
Header De-Duplication enables operators to significantly improve Ethernet throughout over the
radio link without affecting user traffic. Header De-Duplication can be configured to operate on
various layers of the protocol stack, saving bandwidth by reducing unnecessary header overhead.
Header De-duplication is also sometimes known as header compression.
The Header De-Duplication configuration must be identical on both sides of the link.
Using the Frame Cut-Through feature, frames assigned to queues with 4th priority pre-empt
frames already in transmission over the radio from other queues. Transmission of the pre-empted
frames is resumed after the cut -through with no capacity loss or re-transmission required.
To configure Header De-Duplication and Frame Cut-Through:
1. Select Radio > Ethernet Interface > Configuration. The Radio Ethernet Interface Configuration
page opens.
o For PTP 820C units, the Radio Ethernet Interface Configuration page initially displays a
table as shown in Figure 95.
o For PTP 820S units, a page appears, similar to Figure 96 (which shows a PTP 820C page).
Figure 95 Radio Ethernet Interface Configuration Page – PTP 820C
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