Link Control Protocol (LCP)

The Link Control Protocol is part of the PPP protocol and is used to configure the settings for the subsequent protocols inside PPP.

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The text below is copied from Wikipedia http://en.wikipedia.org/wiki/Link_Control_Protocol

The LCP protocol:

Devices cannot use PPP to transmit data over a network until the LCP packet determines the acceptability of the link, but LCP packets are embedded into PPP packets and therefore a basic PPP connection has to be established before LCP can reconfigure it. The LCP over PPP packets have control code 0xC021 and their info field contains the LCP packet, which has four fields. (Code, Id, Length, Data)

History

XXX - add a brief description of PROTO history

Protocol dependencies

Example traffic

Here is a a screenshot of some LCP traffic:

lcp.png

Wireshark

The LCP dissector is fully functional.

Preference Settings

Currently, there are no preferences for the LCP dissector.

Example capture file

A sample capture file containing LCP traffic is available on the SampleCaptures page.

Display Filter

A complete list of LCP display filter fields can be found in the display filter reference

Capture Filter

Discussion

Protocols/lcp (last edited 2012-05-11 18:39:05 by ChristopherMaynard)