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Spirent KB Article
Doc ID: FAQ11914
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How to configure Spirent TestCenter Ethernet header without the Preamble?
The Ethernet II header has the preamble and cannot be used. Use the custom Ethernet header, which does not include the preamble.
Please follow the steps
Create a streamblock
Frame -> Create new Header
Under Layer 2 Category Select “EthernetII” as shown below
This will send a frame without the Preamble and other headers can be added to Ethernet header
Product : L2-3,Spirent TestCenter