RDS-PING(1) BSD General Commands Manual RDS-PING(1)NAME
rds-ping -- test reachability of remote node over RDS
SYNOPSIS
rds-ping [-c count] [-i interval] [-I local_addr] remote_addr
DESCRIPTION
rds-ping is used to test whether a remote node is reachable over RDS. Its interface is designed to operate pretty much the standard ping(8)
utility, even though the way it works is pretty different.
rds-ping opens several RDS sockets and sends packets to port 0 on the indicated host. This is a special port number to which no socket is
bound; instead, the kernel processes incoming packets and responds to them.
OPTIONS
The following options are available for use on the command line:
-c count
Causes rds-ping to exit after sending (and receiving) the specified number of packets.
-I address
By default, rds-ping will pick the local source address for the RDS socket based on routing information for the destination address
(i.e. if packets to the given destination would be routed through interface ib0, then it will use the IP address of ib0 as source
address). Using the -I option, you can override this choice.
-i timeout
By default, rds-ping will wait for one second between sending packets. Use this option to specified a different interval. The timeout
value is given in seconds, and can be a floating point number. Optionally, append msec or usec to specify a timeout in milliseconds
or microseconds, respectively.
Specifying a timeout considerably smaller than the packet round-trip time will produce unexpected results.
AUTHORS
rds-ping was written by Olaf Kirch <olaf.kirch@oracle.com>.
SEE ALSO rds(7), rds-info(1), rds-stress(1).
BSD Apr 22, 2008 BSD
Check Out this Related Man Page
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 for-
ever.
-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)DECnet utilities January 25 2000 DNPING(1)
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