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Data link connection identifier

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A data link conne' (DLCI) is a Frame Relay 10 bit wide link-local virtual circuit identifier used to assign frames to a specific PVC or SVC. Frame Relay networks use DLCIs to statistically multiplex frames. DLCIs are preloaded into each switch and act as road signs to the traveling frames.[1]

The standard allows the existence of 1024 DLCIs, however only numbers from 16 to 1007 are available for end users' equipment. The rest are reserved for various management purposes.[2]

References

  1. ^ "DLCI's". Retrieved 22 March 2011.
  2. ^ "What is Frame Relay". Retrieved 2007-09-18.
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