Avaya Configuring IP Services Bedienungsanleitung Seite 128

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Configuring IP Services
3-6
Now suppose you know that the network mask for 2.3.3.0 is actually
255.255.255.0. You can write an accept policy to match on 2.3.3.0/
255.255.255.0 that specifies an apply mask of 255.255.255.0. Instead of
applying the mask of the receiving IP interface to the destination address, RIP
applies the mask 255.255.255.0 and adds the address/mask pair 2.3.3.0/
255.255.255.0 to the routing table.
Setting RIP Timers
Configurable timers determine the way RIP manages route information. Setting
these timers allows you to specify
The frequency at which RIP broadcasts full RIP updates
The time period that RIP will wait before timing out a route
The time period that unreachable routes will be held in the routing table
Enabling RIP2 Authentication
RIP2 mode supports update authentication.
By default, RIP running in RIP2 mode does not look for a password on incoming
updates. With authentication configured and enabled, RIP performs the following
steps:
1. If no password is present in the update, RIP drops the update.
2. If a password is present in the update and that password is valid, RIP accepts
the update.
3. If the password is invalid, RIP drops the update.
For instructions on using Site Manager to configure a RIP accept policy to apply a user-
specified subnet mask to the destination address in a V1 update, see the Apply Subnet
Mask parameter on page 9-11. For instructions on using Site Manager to configure an
import route filter to apply a user-specified subnet mask, see the Apply Subnet Mask
parameter on page 10-6.
For instructions on using Site Manager to set RIP timers, see the Broadcast Timer
parameter on page 3-13, the Timeout Timer parameter on page 3-13, and the Holddown
Timer parameter on page 3-13.
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