Cradlepoint IBR1100 User Manual page 65

User Manual / IBR1100/IBR1150
• Default Distance: Sets the default administrative distance for intra-area, inter-area and external routes.
Specific distances can be set under Distances. The default is 110.
• Distances: Specify administrative distances for intra-area, inter-area, or external routes. This overrides
the value set in Default Distance.
RIP
RIP (Routing Information Protocol) is a widely deployed interior gateway protocol. RIP is a distance-vector
protocol based on the Bellman-Ford algorithms. As a distance-vector protocol, RIP sends updates from
one router to its neighbors periodically, allowing the convergence to a known topology. In each update, the
distance to any given network will be broadcast to its neighboring router. The router supports RIP version 2 as
described in RFC2453 and RIP version 1 as described in RFC1058.
RIP Editor
• Name: Unique name of the policy.
• Metric: RIP metric is a value for distance for the
network. Usually RIP increments the metric when
the network information is received. The metric
for redistributed routes is set to 1.
• Protocol Version: RIP can be configured to send
either version 1 or version 2 packets. The default
is to send RIPv2 while accepting both RIPv1
and RIPv2 (and replying with packets of the
appropriate version for REQUESTS / triggered
updates).
• Password: RIPv2 allows packets to be
authenticated via either an insecure plain text
password, included with the packet, or a more
secure MD5 based HMAC (keyed-Hashing for Message AuthentiCation). RIPv1 cannot be authenticated at
all, so when authentication is configured RIP will discard routing updates received via RIPv1 packets.
• Plain text password: Select to use a plain text password instead of an MD5 HMAC. WARNING: A plain text
password is insecure.
• Enabled: Click to enable/disable the policy. (Default: enabled.)
• Timers: Update specifies the period at which the routing table is sent to all neighbors. Default is 30
seconds. Timeout specifies the length of time that the route is valid. Default is 180 seconds. Garbage
specifies the garbage collection timer that triggers removal of the route from the routing table. Default is
120 seconds.
• Offset list in: Offset-list adds the specified offset to the incoming and outgoing metric for routes matched
by the specified access-list. If the offset is 0, no action is taken.
• Offset list out: Offset-list adds the specified offset to the incoming and outgoing metric for routes
matched by the specified access-list. If the offset is 0, no action is taken.
Networks: Set the RIP-enabled interfaces by
network. RIP is enabled on the interfaces that have
addresses within the network range.
Interfaces: Enable RIP on a specific interface. Useful
if the interface's IP addresses are dynamic.
• Device: Select network interface device.
• Send version: Select the RIP version that will
be sent on this interface, overriding the global
setting. Version can be 1 or 2, or 0 to select both.
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