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b5451d78 JK |
1 | # |
2 | # SLIP network device configuration | |
3 | # | |
4 | ||
5 | config SLIP | |
6 | tristate "SLIP (serial line) support" | |
4f73bc4d | 7 | depends on TTY |
b5451d78 JK |
8 | ---help--- |
9 | Say Y if you intend to use SLIP or CSLIP (compressed SLIP) to | |
10 | connect to your Internet service provider or to connect to some | |
11 | other local Unix box or if you want to configure your Linux box as a | |
12 | Slip/CSlip server for other people to dial in. SLIP (Serial Line | |
13 | Internet Protocol) is a protocol used to send Internet traffic over | |
14 | serial connections such as telephone lines or null modem cables; | |
15 | nowadays, the protocol PPP is more commonly used for this same | |
16 | purpose. | |
17 | ||
18 | Normally, your access provider has to support SLIP in order for you | |
19 | to be able to use it, but there is now a SLIP emulator called SLiRP | |
20 | around (available from | |
21 | <ftp://ibiblio.org/pub/Linux/system/network/serial/>) which | |
22 | allows you to use SLIP over a regular dial up shell connection. If | |
23 | you plan to use SLiRP, make sure to say Y to CSLIP, below. The | |
24 | NET-3-HOWTO, available from | |
25 | <http://www.tldp.org/docs.html#howto>, explains how to | |
26 | configure SLIP. Note that you don't need this option if you just | |
27 | want to run term (term is a program which gives you almost full | |
28 | Internet connectivity if you have a regular dial up shell account on | |
29 | some Internet connected Unix computer. Read | |
30 | <http://www.bart.nl/~patrickr/term-howto/Term-HOWTO.html>). SLIP | |
31 | support will enlarge your kernel by about 4 KB. If unsure, say N. | |
32 | ||
33 | To compile this driver as a module, choose M here. The module | |
34 | will be called slip. | |
35 | ||
36 | config SLHC | |
37 | tristate | |
38 | ---help--- | |
39 | This option enables Van Jacobsen serial line header compression | |
40 | routines. | |
41 | ||
42 | if SLIP | |
43 | ||
44 | config SLIP_COMPRESSED | |
45 | bool "CSLIP compressed headers" | |
46 | depends on SLIP | |
47 | select SLHC | |
48 | ---help--- | |
49 | This protocol is faster than SLIP because it uses compression on the | |
50 | TCP/IP headers (not on the data itself), but it has to be supported | |
51 | on both ends. Ask your access provider if you are not sure and | |
52 | answer Y, just in case. You will still be able to use plain SLIP. If | |
53 | you plan to use SLiRP, the SLIP emulator (available from | |
54 | <ftp://ibiblio.org/pub/Linux/system/network/serial/>) which | |
55 | allows you to use SLIP over a regular dial up shell connection, you | |
56 | definitely want to say Y here. The NET-3-HOWTO, available from | |
57 | <http://www.tldp.org/docs.html#howto>, explains how to configure | |
58 | CSLIP. This won't enlarge your kernel. | |
59 | ||
60 | config SLIP_SMART | |
61 | bool "Keepalive and linefill" | |
62 | depends on SLIP | |
63 | ---help--- | |
64 | Adds additional capabilities to the SLIP driver to support the | |
65 | RELCOM line fill and keepalive monitoring. Ideal on poor quality | |
66 | analogue lines. | |
67 | ||
68 | config SLIP_MODE_SLIP6 | |
69 | bool "Six bit SLIP encapsulation" | |
70 | depends on SLIP | |
71 | ---help--- | |
72 | Just occasionally you may need to run IP over hostile serial | |
73 | networks that don't pass all control characters or are only seven | |
74 | bit. Saying Y here adds an extra mode you can use with SLIP: | |
75 | "slip6". In this mode, SLIP will only send normal ASCII symbols over | |
76 | the serial device. Naturally, this has to be supported at the other | |
77 | end of the link as well. It's good enough, for example, to run IP | |
78 | over the async ports of a Camtec JNT Pad. If unsure, say N. | |
79 | ||
80 | endif # SLIP |