Figure 11-13. RIP Properties Advanced tab
371 Chapter 11: Routing and Remote Access
The Advanced tab contains a number of other special properties of RIP that can be
used to tweak its behavior. Refer to Figure 11-13 for the RIP Advanced tab and look at the
following complete details about these properties:
?–? Periodic Announcement Interval (Seconds) The number of seconds between
announcements.
?– Time Before Routes Expire (Seconds) The amount of time before a route
is marked as expired. If the router receives an update for a route, it resets
the counter so this would affect only routes for which you don??™t receive any
updates.
?– Time Before Route Is Removed (Seconds) The amount of time before
expired routes are completely removed from the routing table.
?– Enable Split-Horizon Processing Enabled by default to prevent routing
loops since split-horizon processing prevents broadcasting about a specific
route on the segment from where that route was learned.
?– Enable Poison-Reverse Processing When used in conjunction with splithorizon
(hence the dependency), prevents routing loops by broadcasting the
route learned from a network as unreachable (metric 16).
?– Enable Triggered Updates Keeps your routers up to date as quickly as
possible by forcing an announcement as soon as any change in routes is
detected.
?– Send Clean-Up Updates When Stopping When enabled, RRAS announces
that any route it is handling is unavailable so that any adjacent routers can
update their routing tables with this change of state.
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