RIPv2 and RIPng - RIPv2 Convergence and Loop Prevention
12 important questions on RIPv2 and RIPng - RIPv2 Convergence and Loop Prevention
What does RIP Counting to Infinity mean?
that network with a suddenly increased metric, accept the
advertisement immediately and update our metric accordingly.
If the updated metric reaches infinity, stop using that next
hop.
What does RIP split horizon mean?
RIPv2 omits the routes whose outgoing interface field
matches the interface out which the update would be sent
What does Split Horizon with Poisoned Reverse mean?
outgoing interface matches the interface out which the update
would be sent are advertised with an infinite metric.
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What does RIP Route poisening mean?
route in routing updates when that route fails, prompting its
rapid removal from routing tables
What does RIP triggered update mean?
information changes, instead of waiting for the Update timer
to expire. Only the changed network is sent in the triggered
update. Complete updates continue to be sent in regular
intervals
What is the RIP Update timer and what is the default interval time?
are sent. Each interface uses an independent timer, defaulting
to 30 seconds.
What is the RIP Holddown timer and what is default value for the timer?
a route has been declared invalid (that is, after the Invalid
after timer expires). The router starts advertising that route as
unreachable, does not accept any updated information, and
does not modify the routing table entry for that route until
the Holddown timer for that route expires.
What is the RIP Flushed after timer and what is default value for the timer?
begins after an update about a route has been received from
its next hop. If the updates about the route from its next hop
cease to be received and the Flushed after timer reaches its
limit, the router removes the route from the routing table
entirely.
What does the output mean "is possibly down" of show ip route?
What does the command ip rip triggered?
Send full updates and then be silent, to support demand circuits
When are triggered RIP updates sent and what is sent?
-Modification of routing database partial
-Interface up/down partial
c-Id-Router is powered on partial
What is the command to change the update timers with RIP?
(config-router)#timers basic 30 180 240
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