518
G8264 Command Reference for ENOS 8.4
ARP Configuration
Address
Resolution
Protocol
(ARP)
is
a
protocol
used
by
the
Internet
Protocol
(IP),
specifically
IPv4.
ARP
resolves
a
physical
address
from
an
IP
address.
ARP
queries
machines
on
the
local
network
for
their
physical
addresses.
ARP
also
maintains
IP
to
physical
address
pairs
in
its
cache
memory.
In
any
IP
communication,
the
ARP
cache
is
consulted
to
see
if
the
IP
address
of
the
computer
or
the
router
is
present
in
the
ARP
cache.
Then
the
corresponding
physical
address
is
used
to
send
a
packet.
ARP Local Proxy Configuration
By
using
ARP
local
proxy
feature,
the
router
mediates
the
ARP
traffic
performed
within
a
subnet.
Each
ARP
request
is
received
by
the
router.
In
response,
the
router
sends
its
own
MAC
address.
Any
traffic
between
hosts
is
forwarded
via
the
router
ʹ
s
layer
3
interface.
Note
:
For
a
routed
interface,
enabling
ARP
local
proxy
feature
requires
disabling
all
ICMP
redirects.
Table 267.
ARP
Configuration
Options
Command Syntax and Usage
ip
arp
rearp
<2
‐
120>
Defines
re
‐
ARP
period,
in
minutes,
for
entries
in
the
switch
arp
table.
When
ARP
entries
reach
this
value
the
switch
will
re
‐
ARP
for
the
address
to
attempt
to
refresh
the
ARP
cache.
The
default
value
is
5
minutes.
Command
mode:
Global
configuration
show
[ip]
arp
Displays
the
current
ARP
configurations.
Command
mode:
All
Table 268.
ARP
Local
Proxy
Configuration
Options
Command Syntax and Usage
[no]
ip
local
proxy
arp
Enables
or
disables
the
ARP
local
proxy.
Command
mode:
Interface
IP/Interface
Port
show
interface
ip
[
<1
‐
128>
]
Displays
the
current
interface
settings.
Command
mode
:
All
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