Avaya Configuring IP, ARP, RARP, RIP, and OSPF Services Manuel d'utilisateur Page 64

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Configuring IP, ARP, RARP, RIP, and OSPF Services
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308627-14.20 Rev 00
Configuring the Router for Not-Forwarding Mode
By default, IP forwards all packets that are not addressed to itself. You can also
configure IP in not-forwarding or host-only mode.
Use forwarding mode if you want the IP router to route (forward) IP traffic. In
forwarding mode, the IP router processes all broadcast packets and all IP packets
explicitly addressed to it, and routes all other IP packets.
Choose not-forwarding mode on the router if you want to provide IP management
access (by means of TFTP and SNMP) to all active IP interfaces but also want to
prohibit the IP router from forwarding IP traffic. You must specify an identical IP
address and mask combination for each active IP interface that will provide
management access.
In not-forwarding mode, the IP router acts as an IP host; it does not forward IP
traffic, but it still processes packets explicitly addressed to it. In not-forwarding
mode, only static routes and adjacent host routes are allowed. No routing
protocols are initiated.
You can use the BCC or Site Manager to select the forwarding mode.
Using the BCC
To specify the forwarding mode, go to the global IP prompt (for example,
stack;
ip
) and enter:
forwarding
<
mode>
mode
is one of the following:
forwarding
(default)
not-forwarding
For example, the following command puts the router in not-forwarding mode:
ip#
forwarding not-forwarding
ip#
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