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Configuring gated
Configuring the RIP Protocol
Chapter 3 51
trustedgateways
router_list
;
sourcegateways
router_list
;
traceoptions
traceoptions
;
}];
Curly braces ({}) are part of the syntax for the RIP protocol statement.
Square brackets ([]) are not part of the syntax; they are used here to
indicate optional parameters.
yes (or on) informs gated to enable the RIP protocol at this node and to
process RIP packets coming in from other nodes. no (or off) informs
gated to disable the RIP protocol at this node. If gated finds fewer than
two network interfaces, the node listens to RIP information. If gated
finds two or more network interfaces, the node not only listens but also
broadcasts or multicasts the RIP information. If you do not specify a RIP
statement in your configuration file, rip on is assumed.
The following describes the various options in the RIP statement:
• broadcast specifies that RIP packets are always generated. If the
RIP protocol is enabled and more than one interface is specified,
broadcast is assumed. Specifying broadcast with only one interface
is useful only when propagating static routes or routes learned from
other protocols.
• nobroadcast specifies that RIP packets are sent only to routers
listed in the sourcegateways clause. If the RIP protocol is enabled,
but only one interface is specified, nobroadcast is assumed.
• nocheckzero specifies that the RIP protocol must not check whether
the reserved fields in the RIP packets are zero. In RIP Version 1 (as
described in RFC 1058), certain reserved fields must be zero;
however, this may vary in RIP implementations.
• preference determines the order of routes from other protocols to
the same destination in the routing table. gated allows one route to a
destination per protocol for each autonomous system. In case of
multiple routes, the route used is determined by the value of
preference.
Default: 100
Range: 0 (most preferred) – 255 (least preferred)
• defaultmetric is the default metric used when propagating routes
learned from other protocols.
Default: 16