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configurations field

In 802.12 training packets, the configuration field replaces the length field familiar from Ethernet. It corresponds in its length of 2 bytes to the length field, but the configuration information is contained in the first four bits. These are a cascading bit indicating the configuration of the hub, the promiscuity bit, the bridge bit, and a format bit indicating whether the end node uses 802.3 or 802.5 packets.

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Englisch: configurations field
Updated at: 15.06.2009
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