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37 lines
1.6 KiB
Plaintext
37 lines
1.6 KiB
Plaintext
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#
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# CCITT X.25 Packet Layer
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#
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config X25
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tristate "CCITT X.25 Packet Layer (EXPERIMENTAL)"
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depends on EXPERIMENTAL
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---help---
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X.25 is a set of standardized network protocols, similar in scope to
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frame relay; the one physical line from your box to the X.25 network
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entry point can carry several logical point-to-point connections
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(called "virtual circuits") to other computers connected to the X.25
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network. Governments, banks, and other organizations tend to use it
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to connect to each other or to form Wide Area Networks (WANs). Many
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countries have public X.25 networks. X.25 consists of two
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protocols: the higher level Packet Layer Protocol (PLP) (say Y here
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if you want that) and the lower level data link layer protocol LAPB
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(say Y to "LAPB Data Link Driver" below if you want that).
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You can read more about X.25 at <http://www.sangoma.com/x25.htm> and
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<http://www.cisco.com/univercd/cc/td/doc/product/software/ios11/cbook/cx25.htm>.
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Information about X.25 for Linux is contained in the files
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<file:Documentation/networking/x25.txt> and
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<file:Documentation/networking/x25-iface.txt>.
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One connects to an X.25 network either with a dedicated network card
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using the X.21 protocol (not yet supported by Linux) or one can do
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X.25 over a standard telephone line using an ordinary modem (say Y
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to "X.25 async driver" below) or over Ethernet using an ordinary
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Ethernet card and the LAPB over Ethernet (say Y to "LAPB Data Link
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Driver" and "LAPB over Ethernet driver" below).
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To compile this driver as a module, choose M here: the module
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will be called x25. If unsure, say N.
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