SIMPLE SOLUTIONS

ARPSEND(8) - Linux man page online | Administration and privileged commands

Send ARP requests.

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18 Mar 2012
arpsend(8) Containers arpsend(8)

NAME

arpsend - send ARP requests

SYNOPSIS

arpsend -D -e target_ip [ -e target_ip ...] [-c count] [-w timeout] interface arpsend -U -i source_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 mul‐ tiple times to detect many IP addresses in one utility call.

EXIT STATUS

arpsend returns 0 upon successful execution. If something goes wrong, it returns an appro‐ priate 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 inter‐ face should show neither NOARP nor LOOPBACK flags in interface parameters).

SEE ALSO

vzctl(8).

LICENSE

Copyright (C) 2000-2011, Parallels, Inc. Licensed under GNU GPL.
OpenVZ 18 Mar 2012 arpsend(8)
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arpsend(8) referred by ndsend(8) | vzctl(8) | vztmpl-dl(8)
refer to vzctl(8)
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