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arpsend

arpsend

Section: Containers (8) Updated: 10 Dec 2009
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NAME

arpsend - utility to send ARP requests.  

SYNOPSIS

arpsend < -U -i source_ip-D-e target_ip [-e target_ip] ... > [-c count] [-w timeout] interface  

DESCRIPTION

Utility arpsend sends ARP packets on device interface to detect or update neighbours' ARP caches with a given IP.  

COMMANDS

Run utility with one of the following commands:
-D
Send broadcast ARP request to detect neighbours with target_ip. You have to specify target_ip (-e option).
-U
Send broadcast ARP request to update neighbours' ARP caches with source_ip. You have to specify source_ip (-i option).
 

OPTIONS

-c count
Number of packets to send. Default is infinity.
-w interval
Interval between packets, in seconds. Default is 1 second.
-i source_ip_address
Set source IP address field in ARP packet.
-e target_ip_address
Set target IP address field in ARP packet. Note that you can specify -e option multiple times to detect many IP addresses in one utility call.
 

DIAGNOSTICS

arpsend returns 0 upon successful execution. If something goes wrong, it returns an appropriate error code.
1      EXC_USAGE
Usage error
2      EXC_SYSTEM
System error
3      EXC_RECV
ARP reply was received
 

EXAMPLES

To send request on interface eth0 to detect any neighbour computers with IP 192.168.10.200:
       arpsend -D -e 192.168.10.200 eth0

To send request on interface eth0 to update neighbours' ARP caches with IP 192.168.10.200:
       arpsend -U -i 192.168.10.200 eth0
 

NOTES

Interface you use have to be arpable and not be loopback (i.e. /sbin/ip link show interface should show neither NOARP not LOOPBACK flags in interface parameters).  

SEE ALSO

vzctl(8).  

LICENSE

Copyright (C) 2000-2009, Parallels, Inc. Licensed under GNU GPL.


 

Index

NAME
SYNOPSIS
DESCRIPTION
COMMANDS
OPTIONS
DIAGNOSTICS
EXAMPLES
NOTES
SEE ALSO
LICENSE

This document was created by man2html, using the manual pages.
Time: 22:01:16 GMT, April 16, 2011