IP R
OUTING
17-38
- Split Horizon: This method never propagates routes back to an
interface from which they have been acquired.
- Poision Reverse: This method propagates routes back to an interface
port from which they have been acquired, but set the distance-vector
metrics to infinity. (This provides faster convergence.)
• Authentication Type – Specifies whether or not authentication is
required for exchanging protocol messages. (Default: No
Authentication)
- No Authentication: No authentication is required.
- Simple Password: Requires the interface to exchange routing
information with other routers based on an authorized password.
(Note that authentication only applies to RIPv2.)
• Authentication Key – Specifies the key to use for authenticating RIPv2
packets. For authentication to function properly, both the sending and
receiving interface must use the same password. (Range: 1-16 characters,
case sensitive)
Web - Click Routing Protocol, RIP, Interface Settings. Select the RIP
protocol message types that will be received and sent, the method used to
provide faster convergence and prevent loopback (i.e., prevent instability in
the network topology), and the authentication option and corresponding
password. Then click Apply.
Figure 17-16 RIP Interface Settings
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