| sppp.4 (71895) | sppp.4 (76175) |
|---|---|
| 1.\" 2.\" Copyright (c) 1997 Joerg Wunsch 3.\" 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: --- 9 unchanged lines hidden (view full) --- 18.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT, 19.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25.\" | 1.\" 2.\" Copyright (c) 1997 Joerg Wunsch 3.\" 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: --- 9 unchanged lines hidden (view full) --- 18.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT, 19.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25.\" |
| 26.\" $FreeBSD: head/share/man/man4/sppp.4 71895 2001-02-01 16:38:02Z ru $ | 26.\" $FreeBSD: head/share/man/man4/sppp.4 76175 2001-05-01 09:15:30Z schweikh $ |
| 27.\" 28.Dd May 19, 1997 29.Dt SPPP 4 30.Os 31.Sh NAME 32.Nm sppp 33.Nd point to point protocol network layer for synchronous lines 34.Sh SYNOPSIS | 27.\" 28.Dd May 19, 1997 29.Dt SPPP 4 30.Os 31.Sh NAME 32.Nm sppp 33.Nd point to point protocol network layer for synchronous lines 34.Sh SYNOPSIS |
| 35.Cd "pseudo-device sppp" | 35.Cd "device sppp" |
| 36.Sh DESCRIPTION 37The 38.Nm 39network layer implements the state machine and the Link Control 40Protocol (LCP) of the 41.Em point to point protocol (PPP) 42as described in RFC 1661. Note that this layer does not provide 43network interfaces of its own, it is rather intended to be layered on --- 20 unchanged lines hidden (view full) --- 64.Xr ifconfig 8 65will cause the respective network interface to go into 66.Em passive 67mode. This means, the administrative 68.Em Open 69event to the LCP layer will be delayed until after the lower layers 70signals an 71.Em Up | 36.Sh DESCRIPTION 37The 38.Nm 39network layer implements the state machine and the Link Control 40Protocol (LCP) of the 41.Em point to point protocol (PPP) 42as described in RFC 1661. Note that this layer does not provide 43network interfaces of its own, it is rather intended to be layered on --- 20 unchanged lines hidden (view full) --- 64.Xr ifconfig 8 65will cause the respective network interface to go into 66.Em passive 67mode. This means, the administrative 68.Em Open 69event to the LCP layer will be delayed until after the lower layers 70signals an 71.Em Up |
| 72event (rise of | 72event (rise of |
| 73.Dq carrier ) . 74This can be used by lower layers to support 75a dialin connection where the physical layer isn't available 76immediately at startup, but only after some external event arrives. 77Receipt of a 78.Em Down 79event from the lower layer will not take the interface completely down 80in this case. --- 138 unchanged lines hidden --- | 73.Dq carrier ) . 74This can be used by lower layers to support 75a dialin connection where the physical layer isn't available 76immediately at startup, but only after some external event arrives. 77Receipt of a 78.Em Down 79event from the lower layer will not take the interface completely down 80in this case. --- 138 unchanged lines hidden --- |