Avaya Configuring IP, ARP, RIP, and OSPF Services Manuale Utente Pagina 126

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Configuring IP, ARP, RIP, and OSPF Services
4-8
117356-E Rev 00
With Proxy ARP enabled, the router responds with an ARP reply if there is a valid
route (that is, if the router is able to forward traffic) to the destination in the
routing table. This route may be a subnet route or a default route. For the router to
respond for subnets that are reachable via the default route, you must configure IP
to use a default route for unknown subnets (see “Using a Default Route for an
Unknown Subnet” on page 3-12).
Some devices use Proxy ARP to determine a gateway rather than relying on a
statically defined default gateway. These devices use ARP for all remote
destinations. To enable the router to reply to ARP for remote destinations on other
networks, you must enable Proxy ARP and set the Nonlocal ARP Destination
parameter to Accept (see “Customizing Global ARP Characteristics” on page
4-3).
By default, Proxy ARP is disabled on the interface. You can use the BCC or Site
Manager to enable Proxy ARP.
Using the BCC
To enable or disable Proxy ARP, navigate to the IP interface prompt (for example,
box; eth 2/2; ip/2.2.2.2/255.255.0.0) and enter:
proxy
<state>
state
is one of the following:
enabled
disabled
(default)
For example, the following command enables Proxy ARP on IP interface 2.2.2.2:
ip/2.2.2.2# proxy enabled
ip/2.2.2.2#
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