SNMPNETSTAT man page on NeXTSTEP

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SNMPNETSTAT(1C)						       SNMPNETSTAT(1C)

NAME
       snmpnetstat - show network status using SNMP

SYNOPSIS
       snmpnetstat [-an] [-c community] host
       snmpnetstat [-inrs] [-c community] host
       snmpnetstat [-n] [-I interface] [-c community] host [interval]
       snmpnetstat [-p protocol] [-c community] host [interval]

DESCRIPTION
       The  snmpnetstat command displays the values of various network-related
       information retrieved from a remote system  using  the  SNMP  protocol.
       There  are  a  number of output formats, depending upon the options for
       the information to  be  presented.   The	 first	form  of  the  command
       displays a list of active sockets.  The second form presents the values
       of other network-related information according to the option  selected.
       Using  the  third  form,	 with  an interval specified, snmpnetstat will
       continuously display the information regarding packet  traffic  on  the
       configured  network  interfaces.	  The  fourth form displays statistics
       about the named protocol.

       The host specification may be either a host name or an internet address
       specified in ``dot notation''.

       The options have the following meaning:

       -a     With  the	 default  display,  show  the  state  of  all sockets;
	      normally sockets used by server processes are not shown.

       -c community
	      Set the community name to use in the SNMP transactions.	If  no
	      community is specified, ``public'' is used.

       -i     Show the state of all of the interfaces.

       -I interface
	      Show  information	 only  about  this  interface;	used  with  an
	      interval as described below.

       -n     Show  network  addresses	as   numbers   (normally   snmpnetstat
	      interprets addresses and attempts to display them symbolically).
	      This option may be used with any of the display formats.

       -p protocol
	      Show statistics about protocol, which  is	 either	 a  well-known
	      name for a protocol or an alias for it.  Some protocol names and
	      aliases are listed in the file /etc/protocols.  A null  response
	      typically means there are no interesting numbers to report.  The
	      program will complain if protocol is unknown or if there	is  no
	      statistics routine for it.

       -s     Show per-protocol statistics.

       -r     Show  the routing tables.	 When -s is also present, show routing
	      statistics instead.

       The default display for active  sockets	shows  the  local  and	remote
       addresses,  protocol,  and the internal state of the protocol.  Address
       formats are of the form ``host.port'' or ``network.port'' if a socket's
       address	specifies a network but no specific host address.  When known,
       the host and network addresses are displayed symbolically according  to
       the  data  bases	 /etc/hosts  and  /etc/networks,  respectively.	  If a
       symbolic name for an address  is	 unknown,  or  if  the	-n  option  is
       specified, the address is printed numerically, according to the address
       family.	For more information regarding the  Internet  ``dot  format,''
       refer  to  inet(3N).  Unspecified (or ``wildcard'') addresses and ports
       appear as ``*''.

       The  interface  display	provides  a  table  of	cumulative  statistics
       regarding  packets  transferred,	 errors,  and collisions.  The network
       addresses of the interface and the maximum transmission unit  (``mtu'')
       are also displayed.

       The  routing  table  display  indicates	the available routes and their
       status.	Each route consists of a destination host  or  network	and  a
       gateway	to use in forwarding packets.  The flags field shows the state
       of the route (``U'' if ``up''), whether	the  route  is	to  a  gateway
       (``G''),	 whether  the  route  was  created  dynamically	 by a redirect
       (``D''), and whether the route has been modified by a redirect (``M'').
       Direct  routes  are  created  for  each interface attached to the local
       host; the gateway field for such	 entries  shows	 the  address  of  the
       outgoing	  interface.	The  interface	entry  indicates  the  network
       interface utilized for the route.

       When snmpnetstat is invoked with an interval argument,  it  displays  a
       running	count  of  statistics  related	to  network  interfaces.  This
       display consists of a column for the primary  interface	and  a	column
       summarizing  information for all interfaces.  The primary interface may
       be replaced with another interface by specifying the  -I	 option.   The
       first  line  of each screen of information contains a summary since the
       system was last rebooted.   Subsequent  lines  of  output  show	values
       accumulated over the preceding interval.

SEE ALSO
       hosts(5),  iostat(1),  networks(5), protocols(5), services(5), snmp(1),
       snmpd(8), vm_stat(1), RFC1067

BUGS
       The notion of errors is ill-defined.

4.2 Berkeley Distribution     September 17, 1989	       SNMPNETSTAT(1C)
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