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