Installing and Administering Internet Services

336 Chapter8
Configuring gated
Configuring the RIP Protocol
sourcegateways specifies routers to which RIP routing packets may be
sent. If the nobroadcast clause is specified, routing updates are sent
only to routers listed in the sourcegateways clause.
traceoptions enables tracing for the RIP protocol. See “Specifying
Tracing Options” on page 372.
Controlling RIP Traffic
This section describes configuration options for RIP routing information
sent out by gated from the node. Use these options to hide all or part of
your network from other networks or to limit network traffic.
Two options for limiting RIP routing information exported by gated are
in the RIP protocol definition in the /etc/gated.conf file:
• The noripout clause in the interface definition tells gated not to
send any RIP information through the listed interfaces.
• The sourcegateways clause tells gated to send RIP information
directly to the specified routers.
See “RIP Protocol Statement” on page 333 for more information about
these clauses.
Two options for limiting RIP routing information imported by gated are
in the RIP protocol definition in the /etc/gated.conf file:
• The noripin clause in the interface definition tells gated not to
process RIP information received through the listed interfaces.
• The trustedgateways clause tells gated to listen to RIP information
received only from the specified routers.
See “RIP Protocol Statement” on page 333 for more information about
these clauses.
You can also use the gated import and export statements to restrict
and control the route information propagated from one routing protocol
to another. See “Importing and Exporting Routes” on page 377.
Large RIP Configuration Example
Figure 8-2 and the accompanying text describe examples of how gated
might be configured for the RIP protocol in each node within a networked
system.