Version 6.8 113 Mediant MSBR
Configuration Guide 20. IPv6 Routing
20.2 RIPng Routing Protocol
Routing Information Protocol next generation (RIPng) is a dynamic routing protocol from
the Distance Vector family which uses hop-count as a routing metric. The protocol is limited
to 15 hops per route, which prevents loops; however, also limits the network size and
scalability.
Low metric routes are considered “better” and a route with hop count (metric) of 16 is
considered “unreachable”.
RIPng is considered a “chatty” and bandwidth consuming protocol due to the fact it “floods”
its routing database once in a period (default is 30 seconds).
RIPng can work both in broadcast and unicast modes (without or with peers, respectively).
The MSBR supports RIPng, defined in RFC 2080.
20.2.1 Configuring RIPng
Command Description
Enters the data configuration menu.
(config-data)# router ripng
Enters the RIPng configuration mode.
default-information
originate
Configures whether to advertise the default
route.
(conf-router)# default-metric
Configures the metric for redistributed routes.
(conf-router)# distribute-list
prefix list-name <in/out>
interface
Configures filtering of incoming/outgoing routing
updates.
Configures a network or interface upon which to
enable RIP routing.
(conf-router)# passive-interface
interface
Configures suppression of routing updates on an
interface.
(conf-router)# redistribute
protocol metric metric [route-map
name
Configures redistribution of routes from other
protocols into RIP.
Configures a route-map for the RIP routing.
(conf-router)# timers basic
Configures the routing table update timer.
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