.TH IP 8 "20 Dec 2011" "iproute2" "Linux"
.SH NAME
-ip \- show / manipulate routing, devices, policy routing and tunnels
+ip \- show / manipulate routing, network devices, interfaces and tunnels
.SH SYNOPSIS
.ad l
.sp
.ti -8
-.B ip
+.B ip
.RB "[ " -force " ] "
.BI "-batch " filename
.sp
.ti -8
.IR OBJECT " := { "
-.BR link " | " addr " | " addrlabel " | " route " | " rule " | " neigh " | "\
- ntable " | " tunnel " | " tuntap " | " maddr " | " mroute " | " mrule " | "\
- monitor " | " xfrm " | " netns " | " l2tp " | " tcp_metrics " }"
+.BR link " | " address " | " addrlabel " | " route " | " rule " | " neigh " | "\
+ ntable " | " tunnel " | " tuntap " | " maddress " | " mroute " | " mrule " | "\
+ monitor " | " xfrm " | " netns " | " l2tp " | " tcp_metrics " | " token " | "\
+ macsec " }"
.sp
.ti -8
.IR OPTIONS " := { "
\fB\-V\fR[\fIersion\fR] |
+\fB\-h\fR[\fIuman-readable\fR] |
\fB\-s\fR[\fItatistics\fR] |
+\fB\-d\fR[\fIetails\fR] |
\fB\-r\fR[\fIesolve\fR] |
+\fB\-iec\fR |
\fB\-f\fR[\fIamily\fR] {
-.BR inet " | " inet6 " | " ipx " | " dnet " | " link " } | "
+.BR inet " | " inet6 " | " link " } | "
+\fB-4\fR |
+\fB-6\fR |
+\fB-I\fR |
+\fB-D\fR |
+\fB-B\fR |
+\fB-0\fR |
+\fB-l\fR[\fIoops\fR] { \fBmaximum-addr-flush-attempts\fR } |
\fB\-o\fR[\fIneline\fR] |
+\fB\-rc\fR[\fIvbuf\fR] [\fBsize\fR] |
+\fB\-t\fR[\fIimestamp\fR] |
+\fB\-ts\fR[\fIhort\fR] |
\fB\-n\fR[\fIetns\fR] name |
-\fB\-a\fR[\fIll\fR] }
-
+\fB\-N\fR[\fIumeric\fR] |
+\fB\-a\fR[\fIll\fR] |
+\fB\-c\fR[\fIolor\fR] |
+\fB\-br\fR[\fIief\fR] |
+\fB\-j\fR[son\fR] |
+\fB\-p\fR[retty\fR] }
.SH OPTIONS
.B ip
utility and exit.
+.TP
+.BR "\-h", " \-human", " \-human-readable"
+output statistics with human readable values followed by suffix.
+
.TP
.BR "\-b", " \-batch " <FILENAME>
Read commands from provided file or standard input and invoke them.
.TP
.BR "\-force"
-Don't terminate ip on errors in batch mode.
-If there were any errors during execution of the commands, the application return code will be non zero.
+Don't terminate ip on errors in batch mode. If there were any errors
+during execution of the commands, the application return code will be
+non zero.
.TP
.BR "\-s" , " \-stats" , " \-statistics"
-Output more information. If the option
+Output more information. If the option
appears twice or more, the amount of information increases.
As a rule, the information is statistics or some time values.
.TP
.BR "\-l" , " \-loops " <COUNT>
-Specify maximum number of loops the 'ip addr flush' logic
-will attempt before giving up. The default is 10.
+Specify maximum number of loops the 'ip address flush' logic
+will attempt before giving up. The default is 10.
Zero (0) means loop until all addresses are removed.
.TP
.BR "\-f" , " \-family " <FAMILY>
-Specifies the protocol family to use. The protocol family identifier can be one of
-.BR "inet" , " inet6" , " bridge" , " ipx" , " dnet" , " mpls"
+Specifies the protocol family to use. The protocol family identifier
+can be one of
+.BR "inet" , " inet6" , " bridge" , " mpls"
or
.BR link .
If this option is not present,
-the protocol family is guessed from other arguments. If the rest
+the protocol family is guessed from other arguments. If the rest
of the command line does not give enough information to guess the
family,
.B ip
shortcut for
.BR "\-family bridge" .
-.TP
-.B \-D
-shortcut for
-.BR "\-family decnet" .
-
-.TP
-.B \-I
-shortcut for
-.BR "\-family ipx" .
-
.TP
.B \-M
shortcut for
host addresses.
.TP
-.BR "\-n" , " \-net" , " \-netns " <NETNS>
+.BR "\-n" , " \-netns " <NETNS>
switches
.B ip
to the specified network namespace
.RI "-n[etns] " NETNS " [ " OPTIONS " ] " OBJECT " { " COMMAND " | "
.BR help " }"
+.TP
+.BR "\-N" , " \-Numeric"
+Print the number of protocol, scope, dsfield, etc directly instead of
+converting it to human readable name.
+
.TP
.BR "\-a" , " \-all"
-executes specified command over all objects, it depends if command supports this option.
+executes specified command over all objects, it depends if command
+supports this option.
+
+.TP
+.BR \-c [ color ][ = { always | auto | never }
+Configure color output. If parameter is omitted or
+.BR always ,
+color output is enabled regardless of stdout state. If parameter is
+.BR auto ,
+stdout is checked to be a terminal before enabling color output. If
+parameter is
+.BR never ,
+color output is disabled. If specified multiple times, the last one takes
+precedence. This flag is ignored if
+.B \-json
+is also given.
+
+Used color palette can be influenced by
+.BR COLORFGBG
+environment variable
+(see
+.BR ENVIRONMENT ).
+
+.TP
+.BR "\-t" , " \-timestamp"
+display current time when using monitor option.
+
+.TP
+.BR "\-ts" , " \-tshort"
+Like
+.BR \-timestamp ,
+but use shorter format.
+
+.TP
+.BR "\-rc" , " \-rcvbuf" <SIZE>
+Set the netlink socket receive buffer size, defaults to 1MB.
+
+.TP
+.BR "\-iec"
+print human readable rates in IEC units (e.g. 1Ki = 1024).
+
+.TP
+.BR "\-br" , " \-brief"
+Print only basic information in a tabular format for better
+readability. This option is currently only supported by
+.BR "ip addr show " and " ip link show " commands.
+
+.TP
+.BR "\-j", " \-json"
+Output results in JavaScript Object Notation (JSON).
+
+.TP
+.BR "\-p", " \-pretty"
+The default JSON format is compact and more efficient to parse but
+hard for most users to read. This flag adds indentation for
+readability.
.SH IP - COMMAND SYNTAX
.B tcp_metrics/tcpmetrics
- manage TCP Metrics
+.TP
+.B token
+- manage tokenized interface identifiers.
+
.TP
.B tunnel
- tunnel over IP.
.PP
The names of all objects may be written in full or
-abbreviated form, for exampe
+abbreviated form, for example
.B address
can be abbreviated as
.B addr
(or
.B list
) objects, but some objects do not allow all of these operations
-or have some additional commands. The
+or have some additional commands. The
.B help
-command is available for all objects. It prints
+command is available for all objects. It prints
out a list of available commands and argument syntax conventions.
.sp
If no command is given, some default command is assumed.
or, if the objects of this class cannot be listed,
.BR "help" .
+.SH ENVIRONMENT
+.TP
+.B COLORFGBG
+If set, it's value is used for detection whether background is dark or
+light and use contrast colors for it.
+
+COLORFGBG environment variable usually contains either two or three
+values separated by semicolons; we want the last value in either case.
+If this value is 0-6 or 8, chose colors suitable for dark background:
+
+COLORFGBG=";0" ip -c a
+
+.SH EXIT STATUS
+Exit status is 0 if command was successful, and 1 if there is a syntax error.
+If an error was reported by the kernel exit status is 2.
+
+.SH "EXAMPLES"
+.PP
+ip addr
+.RS 4
+Shows addresses assigned to all network interfaces.
+.RE
+.PP
+ip neigh
+.RS 4
+Shows the current neighbour table in kernel.
+.RE
+.PP
+ip link set x up
+.RS 4
+Bring up interface x.
+.RE
+.PP
+ip link set x down
+.RE
+.RS 4
+Bring down interface x.
+.RE
+.PP
+ip route
+.RS 4
+Show table routes.
+.RE
+
.SH HISTORY
.B ip
was written by Alexey N. Kuznetsov and added in Linux 2.2.
.BR ip-route (8),
.BR ip-rule (8),
.BR ip-tcp_metrics (8),
+.BR ip-token (8),
.BR ip-tunnel (8),
.BR ip-xfrm (8)
.br
projects / mirror_iproute2.git / blobdiff