[HECnet] Is MIM running?

[John Forecast]

> On Oct 20, 2021, at 1:58 PM, Robert Armstrong <bob at jfcl.com> wrote:
> 
>> "dnping" in Linux?  
> 
>  There is a dnping in Linux DECnet.  
> 

	That uses the standard mirror object (25) so it is the equivalent of “ncp loop node” although it does allow
	you to get round trip times via the ”-t” switch.

	  John.

> 
> bob at ziti:~$ dnping legato
> Sent 10 packets, Received 10 packets
> bob at ziti:~$ dnping -v legato
> PKT: 1      WRITE: 40 READ: 40
> PKT: 2      WRITE: 40 READ: 40
> PKT: 3      WRITE: 40 READ: 40
> PKT: 4      WRITE: 40 READ: 40
> PKT: 5      WRITE: 40 READ: 40
> PKT: 6      WRITE: 40 READ: 40
> PKT: 7      WRITE: 40 READ: 40
> PKT: 8      WRITE: 40 READ: 40
> PKT: 9      WRITE: 40 READ: 40
> PKT: 10     WRITE: 40 READ: 40
> Sent 10 packets, Received 10 packets
> 
> bob at ziti:~$ dnping
> Usage:
> 
> dnping nodename [user pass] count
> 
>        *or*
> 
> dnping [options] nodename
>        where [options]:
>        -c number      number of packets to send {10}
>        -d             debug mode {OFF}
>        -i interval    interval between packets in microseconds {0}
>        -p password    access control password {}
>        -q             quiet mode {OFF}
>        -s size        size of frame to send in bytes {40 data + 68 hdr}
>        -t             timestamps mode {OFF}
>        -u username    access control username {}
>        -v             verbose mode {OFF}
>        -w seconds     maximum wait time (timeout)
> 
> 
> bob at ziti:~$ man dnping
> DNPING(1)                   General Commands Manual
> DNPING(1)
> 
> NAME
>       dnping - Loopbacks diagnostic packets through a remote node
> 
> SYNOPSIS
>       dnping nodename [user pass] count
>       or
>       dnping nodename [options] nodename
>       Options:
>       [qsv]  [-c  number] [-i interval] [-p password] [-s size] [-u
> username]
>       [-w timeout]
> 
> DESCRIPTION
>       This utility sends to remote DECnet node nodename the number of
> packets
>       specified by count to test the link between the two systems.
> Optionally
>       a username and password may be specified for the connection as well
> as
>       several  other  options.  NOTE  that if you dnping another Linux box
> it
>       must have dnetd running.
>       NOTE also that dnping is not really like an IP "ping" in that it
> needs
>       a  registered  object  at the other end to connect to. So, just
> because
>       you cannot ping a machine does not, necessarily, mean that  machine
> is
>       not  available,  just that the MIRROR object is not available. There
> is
>       not (to my knowledge) a low-level equivalent in DECnet of the ICMP
> ping
>       message.
> 
> OPTIONS
>       -c number
>              Number of packets to send (default 10)
> 
>       -d     Debug mode (default off)
> 
>       -i interval
>              interval between packets in microseconds (default 0)
> 
>       -p password
>              Access  control  password.  If  this  is  "-"  then  you will
> be
>              prompted.
> 
>       -q     Quiet mode (default off)
> 
>       -s size
>              size of frame to send in bytes (40 data + 68 hdr)
> 
>       -t     timestamps mode (default off)
> 
>       -u username
>              access control username
> 
>       -w timeout
>              Specifies a timeout (in seconds). If not  response  is
> received
>              after  this  time then dnping will abort. The default is to
> wait
>              forever.
> 
>       -v     verbose mode (default off)
> 
> EXAMPLES
>       Pings 10 packets through remote node "mv3100"
> 
>           # dnping mv3100 10
>       Make it look a bit like IP ping:
> 
>           # dnping  -vti 1000000 marsha
> 
> SEE ALSO
>       dntype(1), dndir(1), dndel(1), dntask(1), sethost(1), dnetd(8)
> 
> 
>