diff options
author | Aaron Campbell <aaron@cvs.openbsd.org> | 1998-11-11 22:20:02 +0000 |
---|---|---|
committer | Aaron Campbell <aaron@cvs.openbsd.org> | 1998-11-11 22:20:02 +0000 |
commit | db5b45ba844aac723eece65f35e9da8d332ac7eb (patch) | |
tree | 6ea70bb0b6b4397bf2a59d1e33a2768c63838812 /sbin/ping/ping.8 | |
parent | fb32fc8a9d06e96ad5c62d55537fe2ffd3a1f101 (diff) |
more `` '' -> .Dq sillyness; remove redundant .Pp macros; other misc fixes
Diffstat (limited to 'sbin/ping/ping.8')
-rw-r--r-- | sbin/ping/ping.8 | 29 |
1 files changed, 21 insertions, 8 deletions
diff --git a/sbin/ping/ping.8 b/sbin/ping/ping.8 index 34b31f45403..a2df22ef72f 100644 --- a/sbin/ping/ping.8 +++ b/sbin/ping/ping.8 @@ -1,4 +1,4 @@ -.\" $OpenBSD: ping.8,v 1.9 1998/09/17 04:15:00 aaron Exp $ +.\" $OpenBSD: ping.8,v 1.10 1998/11/11 22:19:59 aaron Exp $ .\" $NetBSD: ping.8,v 1.10 1995/12/31 04:55:35 ghudson Exp $ .\" .\" Copyright (c) 1985, 1991, 1993 @@ -65,12 +65,16 @@ datagram to elicit an .Tn ICMP ECHO_RESPONSE from a host or gateway. .Tn ECHO_REQUEST -datagrams (``pings'') have an IP and +datagrams +.Pq Dq pings +have an IP and .Tn ICMP header, followed by a .Dq struct timeval -and then an arbitrary number of ``pad'' bytes used to fill out the +and then an arbitrary number of +.Dq pad +bytes used to fill out the packet. The options are as follows: .Bl -tag -width Ds @@ -93,7 +97,9 @@ Outputs packets as fast as they come back or one hundred times per second, whichever is more. For every .Tn ECHO_REQUEST -sent a period ``.'' is printed, while for every +sent a period +.Dq \&. +is printed, while for every .Tn ECHO_REPLY received a backspace is printed. This provides a rapid display of how many packets are being dropped. @@ -124,7 +130,9 @@ mode of behavior. Only root may set a preload value. Numeric output only. No attempt will be made to lookup symbolic names for host addresses. .It Fl p Ar pattern -You may specify up to 16 ``pad'' bytes to fill out the packet you send. +You may specify up to 16 +.Dq pad +bytes to fill out the packet you send. This is useful for diagnosing data-dependent problems in a network. For example, .Dq Li \-p ff @@ -197,7 +205,8 @@ When using .Nm ping for fault isolation, it should first be run on the local host to verify that the local network interface is up and running. -Then, hosts and gateways further and further away should be ``pinged''. +Then, hosts and gateways further and further away should be +.Dq pinged . Round trip times and packet loss statistics are computed. If duplicate packets are received, they are not included in the packet loss calculation, although the round trip time of these packets is used @@ -258,7 +267,9 @@ on the data contained in the data portion. Unfortunately, data-dependent problems have been known to sneak into networks and remain undetected for long periods of time. In many cases the particular pattern that will have problems is something -that doesn't have sufficient ``transitions'', such as all ones or all +that doesn't have sufficient +.Dq transitions , +such as all ones or all zeros, or a pattern right at the edge, such as almost all zeros. It isn't necessarily enough to specify a data pattern of all zeros (for example) on the command line because the pattern that is of interest is @@ -303,7 +314,9 @@ the field of .Tn ICMP ECHO_REQUEST packets to 255. -This is why you will find you can ``ping'' some hosts, but not reach them +This is why you will find you can +.Dq ping +some hosts, but not reach them with .Xr telnet 1 or |