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author | ru <ru@FreeBSD.org> | 2003-06-28 23:53:39 +0000 |
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committer | ru <ru@FreeBSD.org> | 2003-06-28 23:53:39 +0000 |
commit | 348e423dd913fabaea56f15eecca3d155723ee08 (patch) | |
tree | 119cebb3a669617b213ec04fe871163ae082cfb1 /share/man/man4/route.4 | |
parent | e4f0eb6b17525e227a1bc1d660ab253005530425 (diff) | |
download | FreeBSD-src-348e423dd913fabaea56f15eecca3d155723ee08.zip FreeBSD-src-348e423dd913fabaea56f15eecca3d155723ee08.tar.gz |
Hiten's patchset for section four manpages, slightly edited by me.
Diffstat (limited to 'share/man/man4/route.4')
-rw-r--r-- | share/man/man4/route.4 | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/share/man/man4/route.4 b/share/man/man4/route.4 index 6f4915f..2db2f8d 100644 --- a/share/man/man4/route.4 +++ b/share/man/man4/route.4 @@ -79,9 +79,11 @@ Normally the protocol specifies the route through each interface as a .Dq direct connection to the destination host -or network. If the route is direct, the transport layer of +or network. +If the route is direct, the transport layer of a protocol family usually requests the packet be sent to the -same host specified in the packet. Otherwise, the interface +same host specified in the packet. +Otherwise, the interface is requested to address the packet to the gateway listed in the routing entry (i.e. the packet is forwarded). .Pp @@ -100,7 +102,8 @@ A wildcard routing entry is specified with a zero destination address value, and a mask of all zeroes. Wildcard routes will be used when the system fails to find other routes matching the -destination. The combination of wildcard +destination. +The combination of wildcard routes and routing redirects can provide an economical mechanism for routing traffic. .Pp @@ -131,10 +134,11 @@ bit mask within the header, and the sequence is least significant to most significant bit within the vector. .Pp Any messages sent to the kernel are returned, and copies are sent -to all interested listeners. The kernel will provide the process +to all interested listeners. +The kernel will provide the process ID for the sender, and the sender may use an additional sequence -field to distinguish between outstanding messages. However, -message replies may be lost when kernel buffers are exhausted. +field to distinguish between outstanding messages. +However, message replies may be lost when kernel buffers are exhausted. .Pp The kernel may reject certain messages, and will indicate this by filling in the |