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authorru <ru@FreeBSD.org>2004-07-03 18:29:24 +0000
committerru <ru@FreeBSD.org>2004-07-03 18:29:24 +0000
commit1cf159866714352fd8d7789b97068220cbb5a1a4 (patch)
tree5526e5113f4e9589bb734483867453b89a7ca4e6 /share/man/man4/natmip.4
parentbf15efbfc56854d6fb20bb4ff7801d7549fe2bfd (diff)
downloadFreeBSD-src-1cf159866714352fd8d7789b97068220cbb5a1a4.zip
FreeBSD-src-1cf159866714352fd8d7789b97068220cbb5a1a4.tar.gz
Mechanically kill hard sentence breaks and double whitespaces.
Diffstat (limited to 'share/man/man4/natmip.4')
-rw-r--r--share/man/man4/natmip.418
1 files changed, 12 insertions, 6 deletions
diff --git a/share/man/man4/natmip.4 b/share/man/man4/natmip.4
index 2ef1b2c..82b2e74 100644
--- a/share/man/man4/natmip.4
+++ b/share/man/man4/natmip.4
@@ -10,7 +10,8 @@
.Cd "device atm"
.Cd "options NATM"
.Sh DESCRIPTION
-The NATM protocol stack includes support for IP over ATM. Without any
+The NATM protocol stack includes support for IP over ATM.
+Without any
additional signalling stacks or other modules it is possible to build
a CLIP (classical IP over ATM) network based on PVCs.
.Pp
@@ -27,12 +28,14 @@ destination and the ATM characteristics of this channel.
The address part of the link layer address (see
.Xr link_addr 3 )
consists of a fixed part (the first 5 bytes) and a part that
-depends on the kind of the PVC (UBR, CBR, VBR, ABR). Multi-byte values
+depends on the kind of the PVC (UBR, CBR, VBR, ABR).
+Multi-byte values
are big-endian encoded: the bytes with the lower numbers contain the
higher order bits.
.Bl -tag -width "bytes 12...12" -offset indent
.It byte 0
-Is a flag byte. Currently only flag 0x20 is used.
+Is a flag byte.
+Currently only flag 0x20 is used.
When set, all IP frames are LLC/SNAP encapsulated before putting them into
an AAL5 frame.
Setting this flag is recommended and allows interoperability with other
@@ -41,9 +44,11 @@ Note that BPF works only with LLC/SNAP encapsulation.
.It byte 1
This is the VPI of the channel.
.It bytes 2...3
-VCI of the channel. Must not be zero.
+VCI of the channel.
+Must not be zero.
.It byte 4
-Traffic type. One of 0 (UBR), 1 (CBR), 2 (ABR), 3 (VBR).
+Traffic type.
+One of 0 (UBR), 1 (CBR), 2 (ABR), 3 (VBR).
.El
.Pp
The variable part for UBR connections may be either empty or three bytes:
@@ -111,7 +116,8 @@ can be reached and
.Ar <lladdr>
is the link layer address as a string of dot-separated, hexadecimal bytes.
.Pp
-NATM also supports the old, original format. This consists of 4 byte
+NATM also supports the old, original format.
+This consists of 4 byte
link layer addresses (and the channels are implicit UBR):
.Bl -tag -width "bytes 12...12" -offset indent
.It byte 0
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