11-02-2010
How Do you perform the vip fail-over? Is the ARP cache correctly updated on the host running the health check after the fail-over took place?
Last edited by Loic Domaigne; 11-02-2010 at 05:00 PM..
Reason: english
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arp(1M) arp(1M)
NAME
arp - address resolution display and control
SYNOPSIS
hostname
[system]
[system [core]]
| hostname
filename
hostname hw_address rif_address]
hostname nport_id
DESCRIPTION
The command displays and modifies the Internet-to-Ethernet and Internet-to-Fibre Channel address translation tables used by the Address
Resolution Protocol (ARP).
Options
has the following keyletter options:
hostname Display the current ARP entry for hostname, which must appear in the hostname database (see hosts(4)), or for the DARPA
Internet address expressed in Internet standard ``dot'' notation.
Display all current
ARP entries by reading the table from based on the kernel file system (default On PA systems only: if a core argument is
supplied, read the table from core instead of The option provides the same information as the option except that network
addresses are not displayed symbolically.
If an ARP entry exists for the host called hostname, delete it. This option cannot be used to delete a permanent ARP entry whose
IP address is an interface on the local system.
(Not recommended). Delete a permanent ARP entry whose IP
address is an interface on the local system. The removal of such an ARP entry may result in loss or limitation of network
connectivity with remote machines. The local system will no longer respond to ARP requests for this IP address. Conse-
quently, communication with remote systems is possible only when that communication is initiated by the local system.
This option should be used with extreme caution.
Read file filename and set multiple entries in the ARP tables. Fibre Channel entries in the file should be of the form:
Other entries in the file should be of the form:
hostname hw_address
rif_address]
The argument meanings are the same as for the option.
Create an ARP entry for the host called hostname with the hardware station address hw_address. The hardware station address is
given as six hexadecimal bytes separated by colons. If an ARP entry already exists for hostname, the existing entry is
updated with the new information.
The entry is permanent unless the word is given in the command.
If the word is specified, the entry is published, which means that this system will act as an ARP server responding to
requests for hostname even though the host address is not its own.
The word specifies source routing information used for token ring networks. This information allows you to specify the
particular bridge route which the token ring packet should be delivered. rif_address is given as an even number of hexa-
decimal bytes separated by colons, up to a maximum of 16 bytes.
Create a permanent
ARP entry for the Fibre Channel host called hostname with the N_Port address nport_id. The N_Port address is given as
three hexadecimal bytes separated by colons. If an ARP entry already exists for hostname, the existing entry is updated
with the new information.
You need superuser privilege to use the and options.
See the Neighbor Discovery Protocol (ndp(1M)) for IPv6.
AUTHOR
was developed by HP and the University of California, Berkeley.
SEE ALSO
ifconfig(1M), inet(3N), hosts(4), arp(7P), ndp(1M).
arp(1M)