.Nm
.Op Fl AaLlnW
.Op Fl f Ar address_family | Fl p Ar protocol
-.Op Fl M Ar core
-.Op Fl N Ar system
.Nm
.Op Fl gilns
.Op Fl f Ar address_family
-.Op Fl M Ar core
-.Op Fl N Ar system
.Nm
.Fl i | I Ar interface
.Op Fl w Ar wait
.Op Fl abdgt
-.Op Fl M Ar core
-.Op Fl N Ar system
.Nm
.Fl s Op Fl s
.Op Fl f Ar address_family | Fl p Ar protocol
-.Op Fl M Ar core
-.Op Fl N Ar system
+.Op Fl w Ar wait
.Nm
.Fl i | I Ar interface Fl s
.Op Fl f Ar address_family | Fl p Ar protocol
-.Op Fl M Ar core
-.Op Fl N Ar system
.Nm
.Fl m
-.Op Fl M Ar core
-.Op Fl N Ar system
+.Op Fl m
.Nm
.Fl r
.Op Fl Aaln
.Op Fl f Ar address_family
-.Op Fl M Ar core
-.Op Fl N Ar system
.Nm
.Fl rs
.Op Fl s
-.Op Fl M Ar core
-.Op Fl N Ar system
.\"-----------------------------------------------------------------------------------------
.Sh DESCRIPTION
.\"-----------------------------------------------------------------------------------------
interval specified,
.Nm
will continuously display the information regarding packet traffic on the configured network
-interfaces. The fourth form displays statistics for the specified protocol or address family.
+interfaces. The fourth form displays statistics for the specified protocol or address family. If a
+.Ar wait
+interval is specified, the protocol information over the last interval seconds will be displayed.
The fifth form displays per-interface statistics for the specified protocol or address family.
The sixth form displays
.Xr mbuf 9
connections. The third count is the maximum number of queued connections.
.It Fl l
Print full IPv6 address.
-.It Fl M
-Extract values associated with the name list from the specified core instead of the
-default
-.Pa /dev/kmem .
.It Fl m
-Show statistics recorded by the memory management routines (the network manages a
-private pool of memory buffers).
-.It Fl N
-Extract the name list from the specified system instead of the default
-.Pa /kernel .
+Show statistics recorded by the memory management routines (the network stack manages a private pool of memory buffers). More detailed information about the buffers, which includes their cache related statistics, can be obtained by using
+.Fl mm
+or
+.Fl m
+.Fl m
+option.
.It Fl n
Show network addresses as numbers (normally
.Nm
In certain displays, avoid truncating addresses even if this causes some fields to
overflow.
.It Fl w Ar wait
-Show network interface statistics at intervals of
+Show network interface or protocol statistics at intervals of
.Ar wait
seconds.
.El
option and a
.Ar wait
interval argument, it displays a running count of statistics related to
-network interfaces. An obsolete version of this option used a numeric
+network interfaces or protocols. An obsolete version of this option used a numeric
parameter with no option, and is currently supported for backward
compatibility. By default, this display summarizes information for all
interfaces. Information for a specific interface may be displayed with the
.Bx 4.2 .
.Pp
IPv6 support was added by WIDE/KAME project.
-.Sh FILES
-.Bl -tag -width /dev/kmem -compact
-.It Pa /kernel
-default kernel namelist
-.It Pa /dev/kmem
-default memory file
-.El
.Sh BUGS
The notion of errors is ill-defined.